1
|
Wu Y, Yan Y, Wang Z, Tan Z, Zhou T. Biochar application for the remediation of soil contaminated with potentially toxic elements: Current situation and challenges. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119775. [PMID: 38070425 DOI: 10.1016/j.jenvman.2023.119775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 11/27/2023] [Accepted: 12/03/2023] [Indexed: 01/14/2024]
Abstract
Recently, biochar has garnered extensive attention in the remediation of soils contaminated with potentially toxic elements (PTEs) owing to its exceptional adsorption properties and straightforward operation. Most researchers have primarily concentrated on the effects, mechanisms, impact factors, and risks of biochar in remediation of PTEs. However, concerns about the long-term safety and impact of biochar have restricted its application. This review aims to establish a basis for the large-scale popularization of biochar for remediating PTEs-contaminated soil based on a review of interactive mechanisms between soil, PTEs and biochar, as well as the current situation of biochar for remediation in PTEs scenarios. Biochar can directly interact with PTEs or indirectly with soil components, influencing the bioavailability, mobility, and toxicity of PTEs. The efficacy of biochar in remediation varies depending on biomass feedstock, pyrolysis temperature, type of PTEs, and application rate. Compared to pristine biochar, modified biochar offers feasible solutions for tailoring specialized biochar suited to specific PTEs-contaminated soil. Main challenges limiting the applications of biochar are overdose and potential risks. The used biochar is separated from the soil that not only actually removes PTEs, but also mitigates the negative long-term effects of biochar. A sustainable remediation technology is advocated that enables the recovery and regeneration (95.0-95.6%) of biochar from the soil and the removal of PTEs (the removal rate of Cd is more than 20%) from the soil. Finally, future research directions are suggested to augment the environmental safety of biochar and promote its wider application.
Collapse
Affiliation(s)
- Yi Wu
- Hubei Key Laboratory of Soil Environment and Pollution Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtse River), College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Ministry of Agriculture and Rural Affairs, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Yuhang Yan
- Hubei Key Laboratory of Soil Environment and Pollution Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtse River), College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Ministry of Agriculture and Rural Affairs, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zongwei Wang
- Hubei Key Laboratory of Soil Environment and Pollution Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtse River), College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Ministry of Agriculture and Rural Affairs, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhongxin Tan
- Hubei Key Laboratory of Soil Environment and Pollution Remediation, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtse River), College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China; Ministry of Agriculture and Rural Affairs, College of Resources and Environment, Huazhong Agricultural University, Wuhan, 430070, China.
| | - Tuo Zhou
- China State Key Laboratory of Power Systems, Department of Energy and Power Engineering, Tsinghua University, Beijing, 100084, China
| |
Collapse
|
2
|
Hu Y, Cao Y, Ma C, Yan W. Nano-biochar as a potential amendment for metal(loid) remediation: Implications for soil quality improvement and stress alleviation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119658. [PMID: 38056332 DOI: 10.1016/j.jenvman.2023.119658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 11/01/2023] [Accepted: 11/18/2023] [Indexed: 12/08/2023]
Abstract
Metal(loid) contamination of agricultural soils has become an alarming issue due to its detrimental impacts on soil health and global agricultural production. Therefore, environmentally sustainable and cost-effective solutions are urgently required for soil remediation. Biochar, particularly nano-biochar, exhibits superior and high-performance capabilities in the remediation of metal(loid)-contaminated soil, owing to its unique structure and large surface area. Current researches on nano-biochar mainly focus on safety design and property improvement, with limited information available regarding the impact of nano-biochar on soil ecosystems and crop defense mechanisms in metal(loid)-contaminated soils. In this review, we systematically summarized recent progress in the application of nano-biochar for remediation of metal(loid)-contaminated soil, with a focus on possible factors influencing metal(loid) uptake and translocation in soil-crop systems. Additionally, we conducted the potential/related mechanisms by which nano-biochar can mitigate the toxic impacts of metal(loid) on crop production and security. Furthermore, the application of nano-biochar in field trials and existing challenges were also outlined. Future studies should integrate agricultural sustainability and ecosystem health targets into biochar design/selection. This review highlighted the potential of nano-biochar as a promising soil amendment for enhancing the remediation of metal(loid)-contaminated agricultural soils, thereby promoting the synthesis and development of highly efficient nano-biochar towards achieving environmental sustainability.
Collapse
Affiliation(s)
- Yi Hu
- National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; Key Laboratory of Urban Forest Ecology of Hunan Province, Changsha, 410004, Hunan, China
| | - Yini Cao
- National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; Key Laboratory of Urban Forest Ecology of Hunan Province, Changsha, 410004, Hunan, China.
| | - Chuanxin Ma
- Key Laboratory for City Cluste Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Wende Yan
- National Engineering Laboratory for Applied Technology of Forestry & Ecology in South China, Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, Hunan, 410004, China; Key Laboratory of Urban Forest Ecology of Hunan Province, Changsha, 410004, Hunan, China.
| |
Collapse
|
3
|
Li S, Wen Y, Wang Y, Liu M, Su L, Peng Z, Zhou Z, Zhou N. Novel α-amino acid-like structure decorated biochar for heavy metal remediation in acid soil. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132740. [PMID: 37856962 DOI: 10.1016/j.jhazmat.2023.132740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/30/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023]
Abstract
Neither chemical nor physical adsorption play well in heavy metals remediation in acid soil due to the competing behavior of abundant protons, where stable chelators that can be reused are of significant demand. Herein, biochar with abundant nitro and carboxyl groups is prepared, which can be assembled into self-supporting electrode. Under the catalyzation of electricity, the surface decorated -NO2 on the biochar can be in situ transformed into -NH2. Combined with the carboxyl group that attached on the same carbon atom, a special α-amino acid-like structure modified biochar (α-AC@BC) can be successfully constructed. Due to the strong affinity between the α-amino acid-like ligand and heavy metals, this α-AC@BC exhibits high removal efficiencies of 83.41%, 80.94%, 92.54% and 77.05% for available copper, cadmium, lead and zinc respectively, even in a strong acid soil with low pH of 4. After four adsorption-desorption cycles, the α-AC@BC could still eliminate 83.88% of copper. The high adsorption energy among -NH2, -COOH and heavy metals (-2.99 eV for copper, -1.90 eV for lead, -1.30 eV for zinc and -0.91 eV for cadmium) could form steady coordination structure to guarantee a highly practical application potential of α-AC@BC in strong acid soil. This study provides a novel concept for the decontamination of multiple heavy metal polluted acid soil.
Collapse
Affiliation(s)
- Shikai Li
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Yujiao Wen
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Yifan Wang
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Meng Liu
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Lezhu Su
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Zhengjie Peng
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Zhi Zhou
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China
| | - Nan Zhou
- Hunan Engineering Research Center for Biochar, School of Chemistry and Materials Science, College of Mechanical and Electrical Engineering, Hunan Agricultural University, Changsha 410128, China.
| |
Collapse
|
4
|
Liu J, Ran X, Li J, Wang H, Xue G, Wang Y. Novel insights into carbon nanomaterials enhancing anammox for nitrogen removal: Effects and mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:167146. [PMID: 37726079 DOI: 10.1016/j.scitotenv.2023.167146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 09/21/2023]
Abstract
Carbon nanomaterials (CNMs) possess the properties including large specific surface area, high porosity, and stable chemical structures, presenting significant application advantages in wastewater treatment. Indeed, CNMs are considered to be added to anammox systems to strengthen anammox function, especially to resolve the challenge of anammox technology, i.e., the slow growth rate of anammox bacteria, as well as its high environmental sensitivity. This paper systematically reviews the promotion effects and mechanisms of CNMs on the nitrogen removal performance of anammox system. Among the zero-, one-, and two-dimensional CNMs, two-dimensional CNMs have best promoting effect on the nitrogen removal performance of anammox system due to its excellent conductivity and abundant functional groups. Then, the promotion effects of CNMs on anammox process are summarized from the perspective of anammox activity and bacteria abundance. Furthermore, CNMs not only enhance the anammox process, but also stimulate the coupling of denitrification pathways with anammox, as well as the improvement of system operational stability (alleviating the inhibitions of low temperature and pH fluctuation), thus contributing to the promoted nitrogen removal performance. Essentially, CNMs are capable of facilitating microbial immobilization and electron transfer, which favor to improve the efficiency and stability of anammox process. Finally, this review highlights the gap in knowledge and future work, aiming to provide a deeper understanding of how CNMs can strengthen the anammox system and provide a novel perspective for the engineering of the anammox process.
Collapse
Affiliation(s)
- Jiawei Liu
- State Key Laboratory of Pollution Control and Resources Reuse, Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, China
| | - Xiaochuan Ran
- State Key Laboratory of Pollution Control and Resources Reuse, Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, China
| | - Jia Li
- State Key Laboratory of Pollution Control and Resources Reuse, Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, China
| | - Han Wang
- State Key Laboratory of Pollution Control and Resources Reuse, Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, China.
| | - Gang Xue
- Shanghai Institute of Pollution Control and Ecological Security, Donghua University, Shanghai 201620, China
| | - Yayi Wang
- State Key Laboratory of Pollution Control and Resources Reuse, Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, China
| |
Collapse
|
5
|
Kanwal S, Naeem HK, Batool F, Mirza A, Abdelrahman EA, Sharif G, Maqsood F, Mustaqeem M, Ditta A. Adsorption potential of orange rind-based nanosorbents for the removal of cadmium(II) and chromium(VI) from contaminated water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:110658-110673. [PMID: 37792184 DOI: 10.1007/s11356-023-30164-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/25/2023] [Indexed: 10/05/2023]
Abstract
Heavy metals (HMs) in water are highly poisonous and carcinogenic agents for human health. To alleviate the toxic impacts of HMs, green remediation technologies are the need of the hour. In this regard, different nanosorbents (CMCG@ORP, ORAC, NiO/NPs, and NiO@ORAC/NCs) were synthesized in the present study, and the percentage removal of heavy metals [chromium(VI) and cadmium(II) ions] was evaluated. The nanosorbents were characterized by using FTIR, SEM, UV-Vis spectroscopy, and XRD. UV-Vis spectroscopy confirmed the synthesis of nanosorbents such as NiO/NPs and NiO@ORAC/NCs at 330.5 nm and 352.55 nm, respectively. The characterization studies show that the surface of synthesized nano-sorbents was highly coarse, uneven, and abrasive. XRD pattern deduced that the sample was of single phase, and no other impurity was detected except the face-centered cubic-phase peak of NiO. The maximum adsorption of Cd (91%) and Cr (92%) was found at initial concentrations of 100 and 60 ppm respectively at contact time = 180 min, temperature 25 °C, and with an adsorbent dose of 0.5 g. Isothermal, kinetic, and thermodynamic studies were also performed to evaluate the adsorption mechanisms and feasibility of the process. Adsorption mostly followed Freundlich isotherm which indicates the multilayer adsorption phenomenon and the negative value of Gibb's free energy showed the spontaneous nature and feasibility of the adsorption reaction. Surface complexation, ion exchange, surface precipitation, and the phenomenon of physical adsorption occurred on the sorbent surface which led to the attachment of Cd and Cr to the tested nanosorbents. In conclusion, NiO@ORAC/NCs were the most effective in the alleviation of Cd(II) and Cr(VI) ions in contaminated water.
Collapse
Affiliation(s)
- Samia Kanwal
- Institute of Chemistry, Faculty of Chemistry, University of Sargodha, Sargodha, Pakistan
| | - Hafiza Komal Naeem
- Department of Botany, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Fozia Batool
- Institute of Chemistry, Faculty of Chemistry, University of Sargodha, Sargodha, Pakistan
| | - Awais Mirza
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Ehab A Abdelrahman
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), 11623, Riyadh, Saudi Arabia
- Chemistry Department, Faculty of Science, Benha University, Benha, 13518, Egypt
| | - Gulnaz Sharif
- Department of Chemistry, Govt. Graduate College for Women, Mandi Bahauddin, Pakistan
| | - Farah Maqsood
- Department of Botany, University of Punjab, Lahore, Pakistan
| | - Muhammad Mustaqeem
- Institute of Chemistry, Faculty of Chemistry, University of Sargodha, Sargodha, Pakistan
| | - Allah Ditta
- Department of Environmental Sciences, Shaheed Benazir Bhutto University Sheringal, Dir (U), 18000, Khyber Pakhtunkhwa, Pakistan.
- School of Biological Sciences, The University of Western Australia, 35 Stirling Highway, Perth, WA, 6009, Australia.
| |
Collapse
|
6
|
Hua Z, Tang L, Li L, Wu M, Fu J. Environmental biotechnology and the involving biological process using graphene-based biocompatible material. CHEMOSPHERE 2023; 339:139771. [PMID: 37567262 DOI: 10.1016/j.chemosphere.2023.139771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 05/29/2023] [Accepted: 08/07/2023] [Indexed: 08/13/2023]
Abstract
Biotechnology is a promising approach to environmental remediation but requires improvement in efficiency and convenience. The improvement of biotechnology has been illustrated with the help of biocompatible materials as biocarrier for environmental remediations. Recently, graphene-based materials (GBMs) have become promising materials in environmental biotechnology. To better illustrate the principle and mechanisms of GBM application in biotechnology, the comprehension of the biological response of microorganisms and enzymes when facing the GBMs is needed. The review illustrated distinct GBM-microbe/enzyme composites by providing the GBM-microbe/enzyme interaction and the determining factors. There are diverse GBM modifications for distinct biotechnology applications. Each of these methods and applications depends on the physicochemical properties of GBMs. The applications of these composites were mainly categorized as pollutant adsorption, anaerobic digestion, microbial fuel cells, and organics degradation. Where information was available, the strategies and mechanisms of GBMs in improving application efficacies were also demonstrated. In addition, the biological response, from microbial community changes, extracellular polymeric substances changes to biological pathway alteration, may become important in the application of these composites. Furthermore, we also discuss challenges facing the environmental application of GBMs, considering their fate and toxicity in the ecosystem, and offer potential solutions. This research significantly enhances our comprehension of the fundamental principles, underlying mechanisms, and biological pathways for the in-situ utilization of GBMs.
Collapse
Affiliation(s)
- Zilong Hua
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China
| | - Liang Tang
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China.
| | - Liyan Li
- Department of Civil and Environmental Engineering, College of Design and Engineering, National University of Singapore, Singapore
| | - Minghong Wu
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China
| | - Jing Fu
- Key Laboratory of Organic Compound Pollution Control Engineering, School of Environmental and Chemical Engineering, Shanghai University, China.
| |
Collapse
|
7
|
Xue W, Li J, Chen X, Liu H, Wen S, Shi X, Guo J, Gao Y, Xu J, Xu Y. Recent advances in sulfidized nanoscale zero-valent iron materials for environmental remediation and challenges. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:101933-101962. [PMID: 37659023 DOI: 10.1007/s11356-023-29564-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 08/24/2023] [Indexed: 09/05/2023]
Abstract
Over the past decade, sulfidized nanoscale zero-valent iron (S-nZVI) has been developed as a promising tool for the remediation of contaminated soil, sediment, and water. Although most studies have focused on applying S-nZVI for clean-up purposes, there is still a lack of systematic summary and discussion from its synthesis, application, to toxicity assessment. This review firstly summarized and compared the properties of S-nZVI synthesized from one-step and two-step synthesis methods, and the modification protocols for obtaining better stability and reactivity. In the context of environmental remediation, this review outlined an update on the latest development of S-nZVI for removal of heavy metals, organic pollutants, antibiotic resistance genes (ARGs), and antibiotic resistant bacteria (ARB) and also discussed the underlying removal mechanisms. Environmental factors affecting the remediation performance of S-nZVI (e.g., humic acid, coexisting ions, S/Fe molar ratio, pH, and oxygen condition) were highlighted. Besides, the application potential of S-nZVI in advanced oxidation processes (AOP), especially in activating persulfate, was also evaluated. The toxicity impacts of S-nZVI on the environmental microorganism were described. Finally, the future challenges and remaining restrains to be resolved for better applicability of S-nZVI are also proposed. This review could provide guidance for the environmental remediation with S-nZVI-based technology from theoretical basis and practical perspectives.
Collapse
Affiliation(s)
- Wenjing Xue
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Jun Li
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Xinyu Chen
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Hongdou Liu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Siqi Wen
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Xiaoyu Shi
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Jiaming Guo
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Yang Gao
- School of Hydraulic and Environmental Engineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Jian Xu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Yiqun Xu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225009, China.
| |
Collapse
|
8
|
Cheng X, Jiang D, Chen H, Barati B, Yuan C, Li H, Wang S. Multi-stage adsorption of methyl orange on the nitrogen-rich biomass-derived carbon adsorbent: DFT and MD evaluation. CHEMOSPHERE 2023; 338:139218. [PMID: 37414293 DOI: 10.1016/j.chemosphere.2023.139218] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 06/05/2023] [Accepted: 06/13/2023] [Indexed: 07/08/2023]
Abstract
Dyes that are released into the environment may have negative effects on living organisms. To address this issue, a biomass-derived carbon adsorbent made from Enteromorpha was tested for its ability to remove methyl orange (MO) from wastewater. The adsorbent was found to be effective in removing MO, with a 1:4 impregnation ratio producing an adsorbent that could remove 96.34% of MO from a 200 mg/L solution using only 0.1 g of adsorbent. At higher concentrations, the adsorption capacity increased up to 269.58 mg/g. Through molecular dynamics simulations, it was discovered that after mono-layer adsorption reached saturation, the remaining MO molecules in solution formed hydrogen bonds with the adsorbed MO, which led to further aggregation on the adsorbent surface and increased adsorption capacity. Additionally, theoretical investigations revealed that the adsorption energy of anionic dyes increased with Nitrogen-doped carbon materials, with the pyrrolic-N site having the highest adsorption energy for MO. The carbon material derived from Enteromorpha showed promise in treating wastewater containing anionic dyes, thanks to its high adsorption capacity and strong electrostatic interaction with the sulfonic acid groups of MO.
Collapse
Affiliation(s)
- Xiaoxue Cheng
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China; School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, UK
| | - Ding Jiang
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China
| | - Hao Chen
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China
| | - Bahram Barati
- Department of Green Chemistry and Technology, LIWET-Laboratory for Industrial Water and EcoTechnology, Ghent University, Sint-Martens Latemlaan 2B, 8500, Kortrijk, Belgium
| | - Chuan Yuan
- School of Agricultural Engineering, Jiangsu University, 212013, Jiangsu, China
| | - Hongping Li
- Institute for Energy Research of Jiangsu University, Jiangsu University, 212013, Jiangsu, China.
| | - Shuang Wang
- School of Energy and Power Engineering, Jiangsu University, 212013, Jiangsu, China.
| |
Collapse
|
9
|
Sun Q, Yang H, Feng X, Liang Y, Gao P, Song Y. Synchronous stabilization of Pb, Zn, Cd, and As in lead smelting slag by industrial solid waste. CHEMOSPHERE 2023; 339:139755. [PMID: 37567265 DOI: 10.1016/j.chemosphere.2023.139755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/04/2023] [Accepted: 08/05/2023] [Indexed: 08/13/2023]
Abstract
In order to prevent heavy metal (HM) pollution from lead smelting slag (LSS) to the surrounding environment, this work investigated the feasibility, influencing factors, and mechanisms of using industrial solid waste such as fly ash (FA), oil sludge pyrolysis residue (PR), and steel slag (SS) as remediation amendments. The results demonstrated that the stabilization process was influenced by the material dosage, water content, and LSS particle size. Compared to single materials, the combination amendment PR2FA1 (with a mass ratio of PR to FA as 2:1) exhibited the best stabilization effect, simultaneously reducing the leaching concentrations of As, Zn, Cd, and Pb in LSS to 0.032, 0.034, 0.002, and 0.014 mg/L, respectively. The pH value of the leachate remained between 8 and 9, which met the requirements of surface water quality class IV (GB3838-2002). Through morphological analysis, microscopic characterization, and simulated solution adsorption experiments, it was determined that the stabilization process of HMs was controlled by various mechanisms, including electrostatic attraction, physical adsorption, ion exchange, and chemical precipitation. PR2FA1 had more active components, and its fine-porous structure provided more active sites, resulting in good stabilization performance for As, Zn, Cd, and Pb. Furthermore, cost analysis showed that PR2FA1, as an environmentally friendly material, could generate profits of 157.2 ¥/ton. In conclusion, the prepared PR2FA1 not only addressed the HMs pollution from lead smelting slag to the surrounding environment but also achieved the safe and resourceful disposal of hazardous waste-oil sludge. Its excellent performance in stabilizing HMs and cost-effectiveness suggested promising commercial applications.
Collapse
Affiliation(s)
- Qiwei Sun
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Huifen Yang
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
| | - Xiaodi Feng
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yuhao Liang
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Pu Gao
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| | - Yingliang Song
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China
| |
Collapse
|
10
|
Xia M, Wei Y, Lai M, Yang X, Gao Z, Zhao H, Jia H, Chang J, Ji X. Hydrogel-potassium humate composite alleviates cadmium toxicity of tobacco by regulating Cd bioavailability. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115361. [PMID: 37597289 DOI: 10.1016/j.ecoenv.2023.115361] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 07/27/2023] [Accepted: 08/10/2023] [Indexed: 08/21/2023]
Abstract
Cadmium (Cd) removal from soil to reduce Cd accumulation in plants is essential for agroecology, food safety, and human health. Cd enters plants from soil and affects plant growth and development. Hydrogels can easily combine with Cd, thereby altering its bioavailability in soil. However, few studies have evaluated the effects of hydrogel on the complex phytotoxicity caused by Cd uptake in plants and the microbial community structure. Herein, a new poly (acrylic acid)-grafted starch and potassium humate composite (S/K/AA) hydrogel was added to soil to evaluate its impact on tobacco growth and the soil microenvironment. The results indicate that the addition of S/K/AA hydrogel can significantly improve the biomass, chlorophyll (Chl) content, and photosynthetic capacity of tobacco plants during Cd stress conditions, and decrease Cd concentration, probably by affecting Cd absorption through the expression of Cd absorption transporters (e.g., NRAMP5, NRAMP3, and IRT1). Moreover, the application of S/K/AA hydrogel not only reduced the accumulation of reactive oxygen species (ROS), but also reduced the antioxidant activities of peroxidase (POD), superoxide dismutase (SOD), and catalase (CAT), suggesting that S/K/AA hydrogel alleviates Cd toxicity via a non-antioxidant pathway. Notably, we further analyzed the effectiveness of the hydrogel on microbial communities in Cd-contaminated soil and found that it increased the Cd-tolerant microbial community (Arthrobacter, Massilia, Streptomyces), enhancing the remediation ability of Cd-contaminated soil and helping tobacco plants to alleviate Cd toxicity. Overall, our study provides primary insights into how S/K/AA hydrogel affects Cd bioavailability and alleviates Cd toxicity in plants.
Collapse
Affiliation(s)
- Maolin Xia
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China
| | - Yuewei Wei
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China
| | - Miao Lai
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China
| | - Xiaopeng Yang
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China
| | - Ziting Gao
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China
| | - Haojie Zhao
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China
| | - Hongfang Jia
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China.
| | - Jianbo Chang
- Sanmenxia Branch of Henan Provincial Tobacco Corporation, Sanmenxia 472000, China.
| | - Xiaoming Ji
- National Tobacco Cultivation & Physiology & Biochemistry Research Centre, College of tobacco Science, Henan Agricultural University, Zhengzhou 450002, China.
| |
Collapse
|
11
|
Zhang J, Guan H, Wang T, Du S, Xu J, Liu X. Enrichment of cadmium and selenium in soil-crop system and associated probabilistic health risks in black shale areas. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:95988-96000. [PMID: 37561298 DOI: 10.1007/s11356-023-29173-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/01/2023] [Indexed: 08/11/2023]
Abstract
Selenium (Se) is the essential component of selenoenzymes and contributes to antioxidant defenses. The capability of Se to antagonize the toxicity of heavy metals makes it an essential trace element for human and plant health. Soils derived from black shales are naturally enriched with Se; however, these soils often contain high geological cadmium (Cd), due to the weathering of black shales rich in Cd and Se. Cadmium, as a known Group I carcinogen, could induce damage to various organs. This therefore poses a major challenge for safe cultivation of Se-rich land resources. In this study, a total of 247 paired soil-crop samples were collected from a typical farmland derived from black shales. The concentrations of Cd and Se in the samples were analyzed by inductively coupled plasma mass spectroscopy and atomic fluorescence spectrometry. Monte Carlo simulation was applied to evaluate potential health risks associated with Cd exposure. Cadmium was the critical pollutant in the study area, with the average value of 1.53 mg/kg. Moreover, both children and adults living in the area had a significant non-carcinogenic health risk. Additional health risk assessments revealed that diet was the main contributor for both children and adults among the four pathways (diet > soil ingestion > soil dermal adsorption > soil inhalation). Furthermore, our results revealed that leguminous vegetables and maize were ideal for this site due to their high Se and low Cd accumulation abilities. These findings provide support for adjusting planting structure by variety screening to mitigate the health risk induced by Cd.
Collapse
Affiliation(s)
- Jiawen Zhang
- College of Environmental & Natural Resources, Zhejiang University, Hangzhou, 310058, China
| | - Haoran Guan
- College of Environmental & Natural Resources, Zhejiang University, Hangzhou, 310058, China
| | - Tong Wang
- College of Environmental & Natural Resources, Zhejiang University, Hangzhou, 310058, China
| | - Shaoting Du
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy (IRA), Zhejiang Shuren University, Hangzhou, 310015, China
| | - Jianming Xu
- College of Environmental & Natural Resources, Zhejiang University, Hangzhou, 310058, China
| | - Xingmei Liu
- College of Environmental & Natural Resources, Zhejiang University, Hangzhou, 310058, China.
| |
Collapse
|
12
|
Yao S, Zhou B, Duan M, Cao T, Wen Z, Chen X, Wang H, Wang M, Cheng W, Zhu H, Yang Q, Li Y. Combination of Biochar and Trichoderma harzianum Can Improve the Phytoremediation Efficiency of Brassica juncea and the Rhizosphere Micro-Ecology in Cadmium and Arsenic Contaminated Soil. PLANTS (BASEL, SWITZERLAND) 2023; 12:2939. [PMID: 37631151 PMCID: PMC10458205 DOI: 10.3390/plants12162939] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/01/2023] [Accepted: 08/10/2023] [Indexed: 08/27/2023]
Abstract
Phytoremediation is an environment-friendly method for toxic elements remediation. The aim of this study was to improve the phytoremediation efficiency of Brassica juncea and the rhizosphere soil micro-ecology in cadmium (Cd) and arsenic (As) contaminated soil. A field experiment was conducted with six treatments, including a control treatment (CK), two treatments with two contents of Trichoderma harzianum (T1: 4.5 g m-2; T2: 9 g m-2), one biochar treatment (B: 750 g m-2), and two combined treatments of T1B and T2B. The results showed Trichoderma harzianum promoted the total chlorophyll and translocation factor of Brassica juncea, while biochar promoted plant biomass compared to CK. T2B treatment showed the best results, which significantly increased Cd accumulation by 187.49-308.92%, and As accumulation by 125.74-221.43%. As a result, the soil's total Cd content was reduced by 19.04% to 49.64% and total As contents by 38.76% to 53.77%. The combined amendment increased the contents of soil available potassium, phosphorus, nitrogen, and organic matter. Meanwhile, both the activity of glutathione and peroxidase enzymes in plants, together with urease and sucrase enzymes in soil, were increased. Firmicutes (dominant bacterial phylum) and Ascomycota (dominant fungal phylum) showed positive and close correlation with soil nutrients and plant potentially toxic elements contents. This study demonstrated that phytoremediation assisted by biochar and Trichoderma harzianum is an effective method of soil remediation and provides a new strategy for enhancing plant remediation efficiency.
Collapse
Affiliation(s)
- Shaoxiong Yao
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Beibei Zhou
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Manli Duan
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Tao Cao
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Zhaoquan Wen
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Xiaopeng Chen
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Hui Wang
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Min Wang
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Wen Cheng
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Hongyan Zhu
- State Key Laboratory of Eco-Hydraulics in Northwest Arid Region of China, Xi’an University of Technology, Xi’an 710048, China; (S.Y.); (M.D.); (T.C.); (Z.W.); (X.C.); (H.W.); (M.W.); (W.C.); (H.Z.)
| | - Qiang Yang
- PowerChina Northwest Engineering Corporation Limited, Xi’an 710065, China; (Q.Y.); (Y.L.)
| | - Yujin Li
- PowerChina Northwest Engineering Corporation Limited, Xi’an 710065, China; (Q.Y.); (Y.L.)
| |
Collapse
|
13
|
Zhu X, Chen S, Liu H, Hu X, Wei C, Guo M, Yu Y, Mei C, Chen F, Zheng L, Li W. Study on the removal effect and mechanism of calcined pyrite powder on Cr(VI). INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:448-458. [PMID: 37565667 DOI: 10.1080/15226514.2023.2246591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
Pyrite exhibits considerable potential as an adsorbent in wastewater treatment. However, few pyrite adsorbents are directly obtained from natural pyrite, as most are composite materials that require a complex preparation process. To develop a pyrite-based adsorbent with a simple preparation process, pyrite was processed by calcination at 400, 600, and 800 °C for 4 h and ball-milled into a fine powder. The adsorption properties of the pyrite powder were systematically explored. The calcined pyrite powder was characterized by SEM-EDS and XRD. The results revealed that the pyrite calcined at 600 °C exhibited excellent adsorption properties and was primarily composed of Fe7S8. The optimum conditions for Cr(VI) removal were a temperature of 45 °C, an adsorbent dosage of 1 g, an equilibration time of 60 min, and an initial pH of 3. Moreover, the calcined pyrite powder exhibited excellent reusability, and the Cr(VI) removal rate exceeded 65% after three cycles. The Cr(VI) adsorption on pyrite can be well described by the Freundlich model and pseudo-second-order kinetic equation. The calcination temperature is the main factor affecting the adsorption performance of pyrite. Therefore, the calcined pyrite powder is expected to be an excellent adsorbent for Cr(VI) in the wastewater treatment industry.
Collapse
Affiliation(s)
- Xingyu Zhu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Jiangsu College of Nursing, Huai'an, China
| | - Shuli Chen
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, China
| | - Huanjin Liu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xiaofang Hu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chenxu Wei
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Mengyu Guo
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Yinting Yu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Chunmei Mei
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Fugui Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Linyu Zheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Weidong Li
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| |
Collapse
|
14
|
Tian X, Hao Z, Wang C, Dong J, Wang L, Ma L, Gao Y, Han ZG, Zhang R. Preparation of paramagnetic ferroferric oxide-calcined layered double hydroxide core-shell adsorbent for selective removal of anionic pollutants. J Colloid Interface Sci 2023; 645:319-328. [PMID: 37150005 DOI: 10.1016/j.jcis.2023.04.151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/20/2023] [Accepted: 04/27/2023] [Indexed: 05/09/2023]
Abstract
Adsorption is one of the most common methods of pollution treatment. The selectivity for pollutants and recyclability of adsorbents are crucial to reduce the treatment cost. Layered double hydroxide (LDH) materials are one type of adsorbent with poor recyclability. Prussian blue (PB) is a sturdy and inexpensive metal-organic framework material that can be used as the precursor for synthesizing paramagnetic ferroferric oxide (Fe3O4). It is intriguing to build some reusable adsorbents with magnetic separation by integrating LDH and PB. In this work, paramagnetic Fe3O4-calcined LDH (Fe3O4@cLDH) core-shell adsorbent was designed and prepared by the calcination of PB-ZnAl layered double hydroxide (PB@LDH) core-shell precursor, which exhibits high anionic dyes selectivity in wastewater solutions. The paramagnetism and adsorption capability of Fe3O4@cLDH come from the Fe3O4 core and calcined ZnAl-LDH shell, respectively. Fe3O4@cLDH shows an adsorption capacity of 230 mg g-1 for acid orange and a high selectivity for anionic dyes in cation-anion mixed dye solutions. The regeneration process indicates that the high selectivity for anions is related to the specific hydration recovery process of ZnAl-LDH. The synergistic effect of the paramagnetic Fe3O4 core and calcined ZnAl-LDH shell makes Fe3O4@cLDH an excellent magnetic separation adsorbent with high selectivity to anions.
Collapse
Affiliation(s)
- Xinru Tian
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Zewei Hao
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Can Wang
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Jianghong Dong
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Lina Wang
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Li Ma
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Yuanzhe Gao
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Zhan-Gang Han
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China
| | - Ruikang Zhang
- Hebei Key Laboratory of Organic Functional Molecules, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang, Hebei 050024, China.
| |
Collapse
|
15
|
Kim KY, Kim JY, Park J, Choi YE. The cytotoxicity of nano- and micro-sized graphene oxides on microalgae depends on the characteristics of cell wall and flagella. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 870:161783. [PMID: 36702276 DOI: 10.1016/j.scitotenv.2023.161783] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/06/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Abstract
Cytotoxic effects of emerging contaminants in aquatic environments have been widely studied using diverse microalgal species. However, the role of microalgal characteristics such as presence/absence of cell wall or flagella on cytotoxicity of contaminants was not elucidated yet. In this study, four different Chlamydomonas reinhardtii strains that have different characteristics were used to confirm how these characteristics affect toxicity of contaminants, nano-/micro-sized graphene oxide (GO). The nano-sized GO inhibited the growth of cell wall-deficient strains and reduced the photosynthetic activity. The micro-sized GO inhibited the growth of all strains, but the inhibition efficiency was higher in flagella-deficient strains, indicating that cell wall and flagella have different roles in response to contaminant exposure. The electron microscopy analysis demonstrated that nano-sized GO caused the cell rupture in cell wall-deficient strains. In flagella-deficient strains, the nano- and micro-sized GOs were parallelly attached on the surface of cells, covering the cells. The wrapping of flagella-deficient cells by GO led to the increase of reactive oxygen species (ROS) contents. These results indicate main cytotoxic mechanism of nano-sized GO was the membrane damage of cells, and the presence of cell wall can protect the cells from the attack of nano-sized GO. On the one hand, the presence of flagella might help to avoid the attachment of GO while the cell proliferation and photosynthesis were inhibited in flagella-deficient cells due to the GO wrapping. Overall, given that different microalgal species have different characteristics and these characteristics might affect the cytotoxic effect of the contaminants, it is of great importance to consider the characteristics of test microalgal species when evaluating the cytotoxic mechanism of the nano-/micro-sized pollutants.
Collapse
Affiliation(s)
- Ka Young Kim
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea
| | - Jee Young Kim
- Institute of Life Science and Natural Resources, Korea University, Seoul 02841, Republic of Korea
| | - Jaewon Park
- OJeong Resilience Institute, Korea University, Seoul 02841, Republic of Korea.
| | - Yoon-E Choi
- Division of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea.
| |
Collapse
|
16
|
Zhang C, Li J, Dai Y, Gustave W, Zhai W, Zhong Z, Chen J. Spatial and Temporal Variations of Heavy Metals' Bioavailability in Soils Regulated by a Combined Material of Calcium Sulfate and Ferric Oxide. TOXICS 2023; 11:296. [PMID: 37112523 PMCID: PMC10142891 DOI: 10.3390/toxics11040296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/17/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Heavy metal pollution in soils threatens food safety and human health. Calcium sulfate and ferric oxide are commonly used to immobilize heavy metals in soils. However, the spatial and temporal variations of the heavy metals' bioavailability in soils regulated by a combined material of calcium sulfate and ferric oxide (CSF) remain unclear. In this work, two soil column experiments were conducted to investigate the spatial and temporal variations of CSF immobilized Cd, Pb, and As. In the horizontal soil column, the results showed that CSF's immobilization range for Cd increased over time, and adding CSF in the center of the soil column decreased the concentrations of bioavailable Cd significantly, up to 8 cm away by day 100. The CSF immobilization effect on Pb and As only existed in the center of the soil column. The CSF's immobilization depths for Cd and Pb in the vertical soil column increased over time and extended to 20 cm deep by day 100. However, the CSF's immobilization depths for As only extended to between 5 and 10 cm deep after 100 days of incubation. Overall, the results from this study can serve as a guide to determine the CSF application frequency and spacing distance for the in-situ immobilization of heavy metals in soils.
Collapse
Affiliation(s)
- Chi Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310058, China
- Zhejiang Key Laborary of Environmental Protect Technology, Eco-Environmental Sciences Research & Design Institute of Zhejiang Province, Hangzhou 310007, China
| | - Jie Li
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuxia Dai
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Williamson Gustave
- School of Chemistry, Environmental & Life Sciences, University of the Bahamas, New Providence, Nassau P.O. Box N-4912, Bahamas
| | - Weiwei Zhai
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310058, China
- Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zhong Zhong
- Zhejiang Key Laborary of Environmental Protect Technology, Eco-Environmental Sciences Research & Design Institute of Zhejiang Province, Hangzhou 310007, China
| | - Jianmeng Chen
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou 310058, China
| |
Collapse
|
17
|
Mohapatra L, Cheon D, Yoo SH. Carbon-Based Nanomaterials for Catalytic Wastewater Treatment: A Review. Molecules 2023; 28:molecules28041805. [PMID: 36838793 PMCID: PMC9959675 DOI: 10.3390/molecules28041805] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/10/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
Carbon-based nanomaterials (CBM) have shown great potential for various environmental applications because of their physical and chemical properties. The unique hybridization properties of CBMs allow for the tailored manipulation of their structures and morphologies. However, owing to poor solar light absorption, and the rapid recombination of photogenerated electron-hole pairs, pristine carbon materials typically have unsatisfactory photocatalytic performances and practical applications. The main challenge in this field is the design of economical, environmentally friendly, and effective photocatalysts. Combining carbonaceous materials with carbonaceous semiconductors of different structures results in unique properties in carbon-based catalysts, which offers a promising approach to achieving efficient application. Here, we review the contribution of CBMs with different dimensions, to the catalytic removal of organic pollutants from wastewater by catalyzing the Fenton reaction and photocatalytic processes. This review, therefore, aims to provide an appropriate direction for empowering improvements in ongoing research work, which will boost future applications and contribute to overcoming the existing limitations in this field.
Collapse
Affiliation(s)
- Lagnamayee Mohapatra
- Department of Quantum System Engineering, Jeonbuk National University, Jeonju-si 54896, Republic of Korea
| | - Dabin Cheon
- Department of Applied Plasma & Quantum Beam Engineering, Jeonbuk National University, Jeonju-si 54896, Republic of Korea
| | - Seung Hwa Yoo
- Department of Quantum System Engineering, Jeonbuk National University, Jeonju-si 54896, Republic of Korea
- Department of Applied Plasma & Quantum Beam Engineering, Jeonbuk National University, Jeonju-si 54896, Republic of Korea
- Correspondence:
| |
Collapse
|
18
|
Chen H, Jiang H, Nazhafati M, Li L, Jiang J. Biochar: An effective measure to strengthen phosphorus solubilizing microorganisms for remediation of heavy metal pollution in soil. Front Bioeng Biotechnol 2023; 11:1127166. [PMID: 36937749 PMCID: PMC10019676 DOI: 10.3389/fbioe.2023.1127166] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/13/2023] [Indexed: 03/06/2023] Open
|