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Qiu L, Wang Y, Sui R, Zhu C, Yu Y, Li J. Preparation of a novel metal-free polypyrrole-red phosphorus adsorbent for efficient removal of Cr(VI) from aqueous solution. ENVIRONMENTAL RESEARCH 2023; 224:115458. [PMID: 36764436 DOI: 10.1016/j.envres.2023.115458] [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: 12/23/2022] [Revised: 01/29/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
The toxicity and carcinogenicity of Cr(VI) makes it a major threat to the health of animals and people. However, how to efficiently remove Cr(VI) still faces important challenges. In this study, a new metal-free polypyrrole-red phosphorus (PPy-RP) composite is successfully synthesized by in-situ oxidation polymerization for Cr(VI) removal from wastewater. The maximum adsorption capacity (qm) of Cr(VI) on PPy-RP-1 is 513.2 mg/g when the pH value is 2, which is far superior to RP nanosheets (207.8 mg/g) and PPy (294.9 mg/g). The improved qm can be ascribe to the good dispersion and increased specific surface area of PPy-RP adsorbent. Encouragingly, PPy-RP adsorbent still exhibits excellent stability after 7 cycles tests without a significant decline in removal efficiency, and remain above 81.4%. Based on the fittings of adsorption isotherms and kinetics, the process conforms to the pseudo-first-order kinetic model and the single-layer adsorption of the Langmuir model with an R2 value of 0.98533. The adsorption process is chemical and monolayer. The experimental result demonstrates that the PPy-RP can efficient removal Cr(VI) by electrostatic attraction and complexation reaction (formation of N-Cr(VI) bond) through the PPy on the surface. The results of this study indicate that PPy-RP is a promising adsorbent to remove the Cr(IV).
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Affiliation(s)
- Longyu Qiu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun, Jilin, 130103, China; MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Yingjun Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun, Jilin, 130103, China; MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Rui Sui
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, China
| | - Chenxi Zhu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China
| | - Yongsheng Yu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun, Jilin, 130103, China; MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, Heilongjiang, 150001, China.
| | - Jiaming Li
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun, Jilin, 130103, China.
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Ghosh N, Sen S, Biswas G, Saxena A, Haldar PK. Adsorption and Desorption Study of Reusable Magnetic Iron Oxide Nanoparticles Modified with Justicia adhatoda Leaf Extract for the Removal of Textile Dye and Antibiotic. WATER, AIR, AND SOIL POLLUTION 2023; 234:202. [PMID: 36938148 PMCID: PMC10010655 DOI: 10.1007/s11270-023-06217-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 03/03/2023] [Indexed: 06/02/2023]
Abstract
The release of tetracycline hydrochloride (TCH) and methylene blue (MB) dye into the aquatic system uncontrollably caused major environmental and health problems; hence, their prevention required serious attention. Adsorption process is now being researched in order to increase adsorption efficiency and reprocess to alleviate environmental issues. The use of magnetic nanoparticle as an adsorbent for wastewater treatment has a lot of prospective. A magnetic iron oxide nanoparticle surface modified by Vasaka (Justicia adhatoda) leaf extract (JA-MIONs) is used to give a fast removal approach for MB dye and TCH antibiotics. Dynamic light scattering, UV-Vis and band gap measurement, powder X-ray diffraction, Fourier-transform infrared spectroscopy, and transmission electron microscopy were operated to analyse the formation and size of these magnetic nanoparticles. The impacts of different factors such as contact time (30-150 min), adsorbate concentration (10-50 mg/L), pH (4-10), and adsorbent dose (2-10 mg) were explored. Adsorption kinetics and isotherms show that it follows the pseudo-first-order kinetic and the Freundlich isotherm, with maximum adsorption capacities of 76.92 mg/g for MB and 200 mg/g for TCH at 298 K. The reusability of the JA-MIONs eventually exhibited a decline in the adsorption percentage of MB and TCH after five and four times respectively. After the desorption-adsorption cycles, this adsorbent continued to exhibit significant adsorption capacity. This investigation furnished the significant reference data for the synthesis of JA-MIONs as a novel and auspicious adsorbent for the industrial clean-up of toxic dyes and heavily used antibiotics from water.
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Affiliation(s)
- Nikita Ghosh
- Department of Physics, Cooch Behar Panchanan Barma University, Cooch Behar, 736101 West Bengal India
| | - Subhadeep Sen
- Department of Chemistry, Cooch Behar Panchanan Barma University, Cooch Behar, 736101 West Bengal India
| | - Goutam Biswas
- Department of Chemistry, Cooch Behar Panchanan Barma University, Cooch Behar, 736101 West Bengal India
| | - Atul Saxena
- Department of Physics, North-Eastern Hill University, Shillong, 793002 India
| | - Prabir Kumar Haldar
- Department of Physics, Cooch Behar Panchanan Barma University, Cooch Behar, 736101 West Bengal India
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“Gamma Irradiation Synthesis of Carboxymethyl Chitosan-Nanoclay Hydrogel for the Removal of Cr(VI) and Pb(II) from Aqueous Media”. J Inorg Organomet Polym Mater 2023. [DOI: 10.1007/s10904-023-02543-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
AbstractHydrogel composites comprised of N,O carboxymethyl chitosan crosslinked with different weight ratios of acrylic acid and fabricated with nanoclay particle were prepared via gamma irradiation at 25 kGy irradiation dose. The prepared composites were coded as CsAA1Cl, CsAA2Cl and CsAA3Cl based on the weight ratio of acrylic acid to the chitosan derivative. The claimed hydrogels were characterized by FTIR, TGA and XRD. The TGA data implied that the incorporation of clay nanoparticles enhanced the thermal stability of the composites; the decomposition temperature increased up to 500 °C for CsAA3Cl. Three AFM outcomes were used to compare the surface features of the samples; topography, height and surface roughness. The topography data reveals that the nanoclay particles incorporated in CsAA3Cl are intercalated and exfoliated. Then, the optimized sorbent (CsAA3Cl) was investigated as green sorbents for chromium (VI) and lead (II). The data revealed that CsAA3Cl displayed maximum removal performance towards both lead and chromium with removal efficiencies 125 mg/g and 205 mg/g respectively at the optimum application conditions within 90 min only. Also, it was found that the optimum pH value was 9 for chromium and 8 for lead. The data proved that the adsorption of both cations followed pseudo-first order kinetic model. The prepared composites showed acceptable metal uptake capacity at three successive cycles.
Graphical Abstract
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Nguyen ATN, Kim M, Shim JH. Controlled synthesis of trimetallic nitrogen-incorporated CoNiFe layered double hydroxide electrocatalysts for boosting the oxygen evolution reaction. RSC Adv 2022; 12:12891-12901. [PMID: 35496332 PMCID: PMC9044820 DOI: 10.1039/d2ra00919f] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 04/20/2022] [Indexed: 11/21/2022] Open
Abstract
The development of non-precious trimetallic electrocatalysts exhibiting high activity and stability is a promising strategy for fabricating efficient electrocatalysts for the oxygen evolution reaction (OER). In this study, trimetallic nitrogen-incorporated CoNiFe (N–CoNiFe) was produced to solve the low OER efficiency using a facile co-precipitation method in the presence of ethanolamine (EA) ligands. A series of CoNiFe catalysts at different EA concentrations were also investigated to determine the effects of the ligand in the co-precipitation of a trimetallic system. The introduction of an optimized EA concentration (20 mM) improved the electrocatalytic performance of N–CoNiFe dramatically, with an overpotential of 318 mV at 10 mA cm−2 in 1.0 M KOH and a Tafel slope of 72.2 mV dec−1. In addition, N–CoNiFe shows high durability in the OER process with little change in the overpotential (ca. 16.0 mV) at 10 mA cm−2 after 2000 cycles, which was smaller than that for commercial Ir/C (38.0 mV). A trimetallic nitrogen-incorporated CoNiFe exhibited good catalytic properties toward the oxygen evolution reaction, e.g., high stability and low overpotential (318 mV at 10 mA cm−2).![]()
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Affiliation(s)
- Anh Thi Nguyet Nguyen
- Department of Chemistry and Institute of Basic Science, Daegu University Gyeongsan 38453 Republic of Korea
| | - Minji Kim
- Department of Chemistry and Institute of Basic Science, Daegu University Gyeongsan 38453 Republic of Korea
| | - Jun Ho Shim
- Department of Chemistry and Institute of Basic Science, Daegu University Gyeongsan 38453 Republic of Korea
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Tolkou AK, Trikalioti S, Makrogianni O, Xanthopoulou M, Deliyanni EA, Katsoyiannis IA, Kyzas GZ. Chromium(VI) Removal from Water by Lanthanum Hybrid Modified Activated Carbon Produced from Coconut Shells. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:1067. [PMID: 35407186 PMCID: PMC9000820 DOI: 10.3390/nano12071067] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 03/11/2022] [Accepted: 03/22/2022] [Indexed: 11/17/2022]
Abstract
Cr(VI) is considered to be the most hazardous and toxic oxidation state of chromium and hence the development of effective removal technologies, able to provide water with Cr(VI) below the drinking water limits (US EPA 100 μg/L, European Commission 50 μg/L, which will be reduced to 25 by 2036) is a very important issue in water treatment. This study aimed at examining the performance of activated carbon produced from coconut shells, modified by lanthanum chloride, for Cr(VI) removal from waters. The structure of the formed material (COC-AC-La) was characterized by the application of BET, FTIR and SEM techniques. The effect of the adsorbent's dosage, pH value, contact time, initial Cr(VI) concentration and water matrix was examined with respect to Cr(VI) removal. The results indicated that the maximum Cr(VI) removal was observed at pH 5; 4 h contact time and 0.2 g/L of adsorbent's dosage was adequate to reduce Cr(VI) from 100 μg/L to below 25 μg/L. Freundlich isotherm and pseudo-second order kinetic models fitted the experimental data sufficiently. The maximum adsorption capacity achieved was 6.3 μg/g at pH 5. At this pH value, the removal percentage of Cr(VI) reached 95% for an initial Cr(VI) concertation of 30 μg/L. At pH 7 the corresponding efficiency was roughly 60%, resulting in residual Cr(VI) concentrations below the anticipated drinking water limit of 25 μg/L of total chromium, when the initial Cr(VI) concentration was 50 μg/L. Consecutive adsorption and regeneration studies were conducted using 0.01 M of NaOH as an eluent to evaluate the reusability of the adsorbents, Results showed 20% decrease of adsorption capacity after 5 regeneration cycles of operation.
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Affiliation(s)
- Athanasia K. Tolkou
- Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (S.T.); (M.X.); (E.A.D.); (I.A.K.)
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
| | - Soultana Trikalioti
- Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (S.T.); (M.X.); (E.A.D.); (I.A.K.)
| | - Olina Makrogianni
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
| | - Maria Xanthopoulou
- Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (S.T.); (M.X.); (E.A.D.); (I.A.K.)
| | - Eleni A. Deliyanni
- Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (S.T.); (M.X.); (E.A.D.); (I.A.K.)
| | - Ioannis A. Katsoyiannis
- Laboratory of Chemical and Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece; (S.T.); (M.X.); (E.A.D.); (I.A.K.)
| | - George Z. Kyzas
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece;
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Aziz K, Aziz F, Mamouni R, Aziz L, Saffaj N. Engineering of highly Brachychiton populneus shells@polyaniline bio-sorbent for efficient removal of pesticides from wastewater: Optimization using BBD-RSM approach. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117092] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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7
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Ozcelik E, Mercan ES, Erdemir S, Karaman M, Tabakci M. Calixarene-tethered textile fabric for the efficient removal of hexavalent chromium from polluted water. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Sahu S, Bishoyi N, Sahu MK, Patel RK. Investigating the selectivity and interference behavior for detoxification of Cr(VI) using lanthanum phosphate polyaniline nanocomposite via adsorption-reduction mechanism. CHEMOSPHERE 2021; 278:130507. [PMID: 34126699 DOI: 10.1016/j.chemosphere.2021.130507] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/28/2021] [Accepted: 04/03/2021] [Indexed: 06/12/2023]
Abstract
A novel Lanthanum phosphate polyaniline (LaPO4-PANI) nanocomposite was synthesized by the simple sol-gel technique. The nanocomposite prepared at 1:1 ratio provided the highest ion exchange capacity and selective adsorption of Cr(VI). The phase composition and particle morphology of the as-prepared material was evaluated by XRD, FESEM and TEM analyses. The FTIR, Raman, and TGA data inferred the definite chemical interaction between the organic and inorganic counterparts in the formation of LaPO4-PANI. The selective adsorption of Cr(VI) was estimated by evaluating the distribution coefficient, electrical double layer theory as well as valency and Pauling's ionic radii of interfering ions (phosphate, iodide, sulfate, chloride, sulfide). The high tolerance capability of LaPO4-PANI against the interfering ions made it appropriate for selective and efficient removal of Cr(VI) ions from solutions. The nanocomposite showed the highest removal percentage of 98.6% towards Cr(VI) in a wide pH range of 2-6 at room temperature, as compared to sole lanthanum phosphate (56%) and polyaniline (75%). The XPS analysis revealed the adsorption mechanism due to the combined effect of both adsorption and reduction. Cr(VI) is adsorbed through electrostatic interactions while the = N-/-NH- group facilitated the in situ chemical reduction. The procured results make the LaPO4-PANI nanocomposite a promising adsorbent for the removal of Cr(VI).
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Affiliation(s)
- Sumanta Sahu
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India
| | - Nisarani Bishoyi
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India
| | - Manoj Kumar Sahu
- Department of Basic Science and Humanities, GIET University, Gunupur, 765022, India
| | - Raj Kishore Patel
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India.
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9
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Artificial neural network modeling of the hexavalent uranium sorption onto chemically activated bentonite. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04541-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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10
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Cerium phosphate polypyrrole flower like nanocomposite: A recyclable adsorbent for removal of Cr(VI) by adsorption combined with in-situ chemical reduction. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.03.041] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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11
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Parameter optimization of tetracycline removal by vanadium oxide nano cuboids. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126460] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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12
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Karthigadevi G, Manikandan S, Karmegam N, Subbaiya R, Chozhavendhan S, Ravindran B, Chang SW, Awasthi MK. Chemico-nanotreatment methods for the removal of persistent organic pollutants and xenobiotics in water - A review. BIORESOURCE TECHNOLOGY 2021; 324:124678. [PMID: 33461128 DOI: 10.1016/j.biortech.2021.124678] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/29/2020] [Accepted: 01/02/2021] [Indexed: 06/12/2023]
Abstract
While the technologies available today can generate high-quality water from wastewater, the majority of the wastewater treatment plants are not intended to eliminate emerging xenobiotic pollutants, pharmaceutical and personal care items. Most endocrine disrupting compounds (EDCs) and personal care products (PPCPs) are more arctic than most regulated pollutants, and several of them have acid or critical functional groups. Together with the trace occurrence, EDCs and PPCPs create specific challenges for removal and subsequent improvements of wastewater treatment plants. Various technologies have been investigated extensively because they are highly persistent which leads to bioaccumulation. Researchers are increasingly addressing the human health hazards of xenobiotics and their removal. The emphasis of this review was on the promising methods available, especially nanotechnology, for the treatment of xenobiotic compounds that are accidentally released into the setting. In terms of xenobiotic elimination, nanotechnology provides better treatment than chemical treatments and their degradation mechanisms are addressed.
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Affiliation(s)
- Guruviah Karthigadevi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3#, Yangling, Shaanxi 712100, China; Department of Biotechnology, Sri Venkateswara College of Engineering, (Autonomous), Sriperumbudur TK - 602 117, Tamil Nadu, India
| | - Sivasubramanian Manikandan
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha Nagar, Thandalam, Chennai - 602 105, Tamil Nadu, India
| | - Natchimuthu Karmegam
- Department of Botany, Government Arts College (Autonomous), Salem - 636 007, Tamil Nadu, India
| | - Ramasamy Subbaiya
- Department of Biological Sciences, School of Mathematics and Natural Sciences, The Copperbelt University, Riverside, Jambo Drive, P.O. Box. 21692, Kitwe, Zambia
| | | | - Balasubramani Ravindran
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, 16227, South Korea
| | - Soon Woong Chang
- Department of Environmental Energy and Engineering, Kyonggi University, Youngtong-Gu, Suwon, 16227, South Korea
| | - Mukesh Kumar Awasthi
- College of Natural Resources and Environment, Northwest A&F University, Taicheng Road 3#, Yangling, Shaanxi 712100, China.
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Yılmaz Ş, Zengin A, Şahan T. Bentonite grafted with poly(N-acryloylglycineamide) brush: A novel clay-polymer brush hybrid material for the effective removal of Hg(II) and As(V) from aqueous environments. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125979] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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14
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Liu S, Cui S, Guo H, Wang Y, Zheng Y. Adsorption of Lead Ion from Wastewater Using Non-Crystal Hydrated Calcium Silicate Gel. MATERIALS (BASEL, SWITZERLAND) 2021; 14:842. [PMID: 33578734 PMCID: PMC7916452 DOI: 10.3390/ma14040842] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/01/2021] [Accepted: 02/03/2021] [Indexed: 11/17/2022]
Abstract
In order to obtain low-cost and excellent adsorption materials, this paper used calcium acetate and water glass as raw materials to synthesis hydrated calcium silicate gel by precipitation method. The performance and structure of hydrated calcium silicate gel were systematically studied by X-ray photoelectron spectroscopy, fourier transform infrared spectroscopy, specific surface area analyzer and scanning electron microscope. Studies have shown that, non-crystal hydrated calcium silicate gel (CSH) were successfully prepared, and the removal rate of lead ion using CSH reached more than 90%. The adsorption process is consistent with the pseudo-second-order kinetic model and Langmuir adsorption isotherm model, and the limit adsorption capacity reaches 263.17 mg·g-1. The acid treatment experiment proved that the adsorption capacity of lead ion using CSH was satisfactory, and the adsorption rate remained at >60% after 5 cycles. The research may provide a low-cost, high-efficiency and high stability adsorbent.
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Affiliation(s)
| | - Suping Cui
- College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China; (S.L.); (H.G.); (Y.W.); (Y.Z.)
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15
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Li B, Liu Y, Zhao X, Ning P, Liu X, Zhu T. O 3 oxidation excited by yellow phosphorus emulsion coupling with red mud absorption for denitration. JOURNAL OF HAZARDOUS MATERIALS 2021; 403:123971. [PMID: 33265012 DOI: 10.1016/j.jhazmat.2020.123971] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/23/2020] [Accepted: 09/11/2020] [Indexed: 06/12/2023]
Abstract
Directing to unwieldiness NOx emitted by the industry, the removal of NOx was implemented using yellow phosphorus (P4) emulsion and red mud slurry as composite absorbent. Where yellow phosphorus is considered to stimulate formation of the ecological ozone (O3) from O2, the oxidation of insoluble NO into water-soluble NOx species by O3, and the red mud as a pH buffer can be used to maintain the pH of the absorption liquid in a range that better absorbs NOx. NO is finally converted into NO2- and NO3-, whereas the yellow phosphorus is mainly PO43-. Single-factor influencing on the efficiency of denitration include the concentration of yellow phosphorus, reaction temperature, stirring intensity, gas flow rate, O2 content, and red mud solid-liquid ratio were investigated. Response surface methodology (RSM) was used to optimize the process parameters. It was indicated that the removal rate of NOx can reach 99.3% under the optimal conditions. Moreover, the possible denitration reaction mechanism was also discussed.
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Affiliation(s)
- Bin Li
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Yu Liu
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Xingting Zhao
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Ping Ning
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China.
| | - Xiaolong Liu
- Beijing Engineering Research Center of Process Pollution Control, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.
| | - Tingyu Zhu
- Beijing Engineering Research Center of Process Pollution Control, National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; Center for Excellence in Regional Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
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16
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Gu H, Lin W, Sun S, Wu C, Yang F, Ziwei Y, Chen N, Ren J, Zheng S. Calcium oxide modification of activated sludge as a low-cost adsorbent: Preparation and application in Cd(II) removal. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 209:111760. [PMID: 33360285 DOI: 10.1016/j.ecoenv.2020.111760] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 06/12/2023]
Abstract
In this study, a simple to produce, low-cost and environment-friendly sludge based adsorbent, prepared from municipal dewatered sludge and modified by calcium oxide (CaO), is described. The enhancement effect of CaO modification on the adsorption capacity and mechanical strength of sludge based adsorbents (CaO-SA), and the modification mechanism of CaO on activated sludge are discussed. Also, the Cd(II) adsorption conditions are optimized using surface optimization experiment. The results indicated that CaO had a good effect on improving the adsorption capacity and mechanical strength of the sludge-based adsorbent. The CaO-SA adsorbent showed best performance with respect to the mechanical strength and Cd(II) adsorption capacity when prepared under 5% CaO dosage and 60 °C drying temperature. CaO modification can increase the specific surface area and calcium ion content of the sludge-based adsorbent and remove the proton of the carboxylic acid in the sludge. The Box-Behnken experimental design results revealed that the importance of operating conditions for CaO-SA adsorption of Cd(II) can be arranged in the order of adsorption time > dosage> pH> temperature. The results also indicated that the interactions between adsorption time and CaO-SA dosage, adsorption time and pH, adsorption time and temperature are all important factors affecting the Cd(II) adsorption. The optimal conditions (adsorption time of 90 min, CaO-SA dosage of 1 g/L, pH of 5 and adsorption temperature of 40 °C) for CaO-SA to adsorb Cd(II) were obtained by surface optimization, at which the Cd(II) adsorption rate could reach a value of 99.74%.
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Affiliation(s)
- Haiqi Gu
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Weixiong Lin
- School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing 526061, China.
| | - Shuiyu Sun
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China; Guangdong Polytechnic of Environmental Protection Engineering, Foshan 528216, China.
| | - Chun Wu
- Guangdong Yuanquan Testing Technology Co., Ltd., Foshan 528225, China
| | - Fan Yang
- Guangdong Polytechnic of Environmental Protection Engineering, Foshan 528216, China
| | - Ye Ziwei
- Guangdong Polytechnic of Environmental Protection Engineering, Foshan 528216, China
| | - Nanwei Chen
- Guangdong Polytechnic of Environmental Protection Engineering, Foshan 528216, China
| | - Jie Ren
- Guangdong Polytechnic of Environmental Protection Engineering, Foshan 528216, China
| | - Shilin Zheng
- Guangdong Polytechnic of Environmental Protection Engineering, Foshan 528216, China
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17
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Barakat M, Kumar R, Lima EC, Seliem MK. Facile synthesis of muscovite–supported Fe3O4 nanoparticles as an adsorbent and heterogeneous catalyst for effective removal of methyl orange: Characterisation, modelling, and mechanism. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.01.025] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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18
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Adsorption of lead ions from aqueous solutions by porous cellulose nanofiber–sodium alginate hydrogel beads. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115122] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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19
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Lei Y, Li K, Liao J, Zhang Y, Zhang L, Zhu W. Design of 3D alumina-doped magnesium oxide aerogels with a high efficiency removal of uranium( vi) from wastewater. Inorg Chem Front 2021. [DOI: 10.1039/d1qi00259g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
3D alumina-doped magnesium oxide (Al2O3/MgO) aerogels with remarkable adsorption properties for U(vi) were prepared via a simple lyophilization–calcination method.
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Affiliation(s)
- Yuqing Lei
- State Key Laboratory of Environment-friendly Energy Materials
- Sichuan Co-Innovation Center for New Energetic Materials
- National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety
- Nuclear Waste and Environmental Safety Key Laboratory of Defense
- School of National Defence Science & Technology
| | - Keding Li
- State Key Laboratory of Environment-friendly Energy Materials
- Sichuan Co-Innovation Center for New Energetic Materials
- National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety
- Nuclear Waste and Environmental Safety Key Laboratory of Defense
- School of National Defence Science & Technology
| | - Jun Liao
- State Key Laboratory of Environment-friendly Energy Materials
- Sichuan Co-Innovation Center for New Energetic Materials
- National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety
- Nuclear Waste and Environmental Safety Key Laboratory of Defense
- School of National Defence Science & Technology
| | - Yong Zhang
- State Key Laboratory of Environment-friendly Energy Materials
- Sichuan Co-Innovation Center for New Energetic Materials
- National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety
- Nuclear Waste and Environmental Safety Key Laboratory of Defense
- School of National Defence Science & Technology
| | - Lin Zhang
- Division of Target Science and Fabrication
- Research Center of Laser Fusion
- China Academy of Engineering Physics
- Mianyang 621900
- P. R. China
| | - Wenkun Zhu
- State Key Laboratory of Environment-friendly Energy Materials
- Sichuan Co-Innovation Center for New Energetic Materials
- National Co-innovation Center for Nuclear Waste Disposal and Environmental Safety
- Nuclear Waste and Environmental Safety Key Laboratory of Defense
- School of National Defence Science & Technology
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20
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Chen K, Dai R, Xu G, Biney BW, Shen J, Xia W, Liu D. Preparation of a porous carbon material by hydrothermal activation of itaconic acid fermentation waste liquid and its efficient adsorption of Cr( vi). NEW J CHEM 2021. [DOI: 10.1039/d1nj03713g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Recycling organic waste liquid to treat chromium-containing wastewater to achieve the purpose of treating waste with waste.
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Affiliation(s)
- Kun Chen
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong, 266580, China
| | - Renwei Dai
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong, 266580, China
| | - Guanjun Xu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong, 266580, China
| | - Bernard Wiafe Biney
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong, 266580, China
| | - Jiahua Shen
- Shandong Lunan Borui Hazardous Waste Centralized Disposal Co. Ltd., Zaozhuang, Shandong, 277527, China
| | - Wei Xia
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong, 266580, China
| | - Dong Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), 66 Changjiang West Road, Huangdao District, Qingdao, Shandong, 266580, China
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21
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Chen X, Ma C, Kang Q, Chen Y, Shen D. Field analysis of Cr(vi) in water samples by using a smartphone-based ultralong absorption path reflection colorimetric device. NEW J CHEM 2021. [DOI: 10.1039/d0nj05948j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Hexavalent chromium is highly toxic and regarded as one of the main pollutants in the environment. A multiple reflection colorimetric cell is designed to improve the sensitivity in field analysis for Cr(vi).
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Affiliation(s)
- Xiaolan Chen
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Cheng Ma
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Qi Kang
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Yuqin Chen
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
| | - Dazhong Shen
- College of Chemistry
- Chemical Engineering and Materials Science
- Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong
- Shandong Normal University
- Jinan 250014
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22
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Gao M, Wang W, Cao M, Yang H, Li Y. Constructing hydrangea-like hierarchical zinc-zirconium oxide microspheres for accelerating fluoride elimination. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114133] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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23
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Tayebee R, Esmaeili E, Maleki B, Khoshniat A, Chahkandi M, Mollania N. Photodegradation of methylene blue and some emerging pharmaceutical micropollutants with an aqueous suspension of WZnO-NH2@H3PW12O40 nanocomposite. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113928] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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24
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Sahu S, Pahi S, Tripathy S, Singh SK, Behera A, Sahu UK, Patel RK. Adsorption of methylene blue on chemically modified lychee seed biochar: Dynamic, equilibrium, and thermodynamic study. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113743] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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25
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Sahu S, Mallik L, Pahi S, Barik B, Sahu UK, Sillanpää M, Patel RK. Facile synthesis of poly o-toluidine modified lanthanum phosphate nanocomposite as a superior adsorbent for selective fluoride removal: A mechanistic and kinetic study. CHEMOSPHERE 2020; 252:126551. [PMID: 32217412 DOI: 10.1016/j.chemosphere.2020.126551] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/14/2020] [Accepted: 03/17/2020] [Indexed: 06/10/2023]
Abstract
This work reports the synthesis of a new adsorbent material (LaP-POT), synthesised by sol-gel polymerisation method from lanthanum phosphate (LaP) and poly o-toluidine (POT). The sustainability and selectivity of the material as a potential adsorbent is evaluated for the removal of fluoride from aqueous as well as real water samples using batch experimental techniques. FESEM and TEM images showed the successful incorporation of rod-shaped lanthanum phosphate into the poly o-toluidine polymer matrix. The increased degradation temperature of LaP-POT from TGA curve inferred a definite interaction between two. XPS study revealed the successful binding of fluoride onto LaP-POT. The selectivity of fluoride ion onto LaP-POT material was ascertained by the distribution coefficient value. The co-anions showed little effect on fluoride removal. Kinetic study suggested that intraparticle diffusion is not the only rate controlling step; the external mass transfer or chemical interaction also impacts the fluoride adsorption. The maximum adsorption was observed at room temperature with a maximum Langmuir uptake capacity of 10.94 mg g-1. The reusability of the material is tested up to 5 successive cycles for a workable commercial application purpose. The results showed that LaP-POT provides more active sites, thus making it a promising adsorbent for the removal of fluoride.
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Affiliation(s)
- Sumanta Sahu
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India
| | - Laxmi Mallik
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India
| | - Souman Pahi
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India
| | - Bapun Barik
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India
| | - Uttam Kumar Sahu
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection (Chengdu University of Technology), Dongsanlu, Erxianqiao, Chengdu, 610059, Sichuan, PR China
| | - Mika Sillanpää
- Department of Green Chemistry, LUT University, Sammonkatu 12, FI-50130, Mikkeli, Finland
| | - Raj Kishore Patel
- Department of Chemistry, National Institute of Technology, Rourkela, 769008, India.
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26
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Sahu S, Pahi S, Sahu JK, Sahu UK, Patel RK. Kendu (Diospyros melanoxylon Roxb) fruit peel activated carbon-an efficient bioadsorbent for methylene blue dye: equilibrium, kinetic, and thermodynamic study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:22579-22592. [PMID: 32319052 DOI: 10.1007/s11356-020-08561-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/23/2020] [Indexed: 06/11/2023]
Abstract
In this work, activated carbon was synthesized by the carbonization of kendu fruit peel followed by chemical activation using ammonium carbonate as an activating agent to get modified kendu fruit peel (MKFP). The SEM and FESEM images of the biomaterial illustrated a highly porous honeycomb-like structure, further supported by the N2 sorption isotherm analysis. The FTIR spectra specified the presence of oxygen-containing functional groups such as carboxyl, carbonyl, and hydroxyl on the adsorbent surface. Batch experiments were performed for the optimization of methylene blue (MB) dye removal. The adsorption process followed pseudo-second-order kinetic model and Langmuir isotherm model with a maximum adsorption capacity of 144.9 mg g-1. No desorption was found because the adsorbent surface was bonded with the chromophoric group of the MB dye by means of strong chemical interaction evident from the high adsorption energy (E = 10.42 kJ mol-1) and enthalpy change (∆H = 42.7 kJ mol-1). Hence, the MKFP has the potential to act as an efficient bioadsorbent for MB dye removal. Graphical abstract.
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Affiliation(s)
- Sumanta Sahu
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha, India
| | - Souman Pahi
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha, India
| | - Jaya Krushna Sahu
- Department of Chemistry, Siksha 'O' Anusandhan Deemed to be University, Bhubaneswar, India
| | - Uttam Kumar Sahu
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Dongsanlu, Erxianqiao, Chengdu, 610059, Sichuan, People's Republic of China
| | - Raj Kishore Patel
- Department of Chemistry, National Institute of Technology, Rourkela, Odisha, India.
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27
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Zhang Z, Ding C, Li Y, Ke H, Cheng G. Efficient removal of tetracycline hydrochloride from aqueous solution by mesoporous cage MOF-818. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2514-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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28
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Adsorptive removal of tetracycline by sustainable ceramsite substrate from bentonite/red mud/pine sawdust. Sci Rep 2020; 10:2960. [PMID: 32076056 PMCID: PMC7031399 DOI: 10.1038/s41598-020-59850-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 02/04/2020] [Indexed: 11/08/2022] Open
Abstract
In this study, a novel, sustainable and efficient ceramsite substrate of constructed wetlands (CWs) were prepared for tetracycline (TC) removal by employing bentonite (Ben) and red mud (Rm) as the main materials and pine sawdust (Ps) as the additive. The optimal parameters for Ben/Rm/Ps ceramsite preparation were obtained via orthogonal and one-factor experimental designs, and the optimal parameters were presented as follows: mass ratio of Ben: Rm: Ps = 4:1:0.9, preheating temperature = 240 °C, preheating time = 20 min, calcining temperature = 1150 °C, and calcining time = 14 min. The properties of Ben/Rm/Ps-op ceramsite (obtained at the optimal condition) were first analyzed, including XRD and SEM, and demonstrated a microporous structure with some crystal strength components. Neutral condition and higher temperature were indicated conducive to improve the TC removal efficiency, while coexisting ions (Na+ or Ca2+) showed adverse effect for TC adsorption by Ben/Rm/Ps-op. In addition, adsorption kinetics and isotherm could be well described by the second-order kinetics and linear isothermal model, respectively, which suggested chemisorption and multilayer adsorption thickness increased infinitely. The theoretical maximum TC adsorption capacity of Ben/Rm/Ps-op at 20 °C reached up to 2.5602 mg/g. In addition, Ben/Rm/Ps-op could effectively remove TC as the CWs substrate under a dynamic flow condition. Further, Ben/Rm/Ps-op exhibited high reusability capability and stability for TC removal, and the adsorption amount still remained for 2.13 mg/g (C0 = 80 mg/L) after three consecutive cycles.
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29
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Khan AJ, Song J, Ahmed K, Rahim A, Onófrio Volpe PL, Rehman F. Mesoporous silica MCM-41, SBA-15 and derived bridged polysilsesquioxane SBA-PMDA for the selective removal of textile reactive dyes from wastewater. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.111957] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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30
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Zheng M, Zhao X, Wang K, She Y, Gao Z. Highly Efficient Removal of Cr(VI) on a Stable Metal–Organic Framework Based on Enhanced H-Bond Interaction. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b04598] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Meiqi Zheng
- College of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Xudong Zhao
- College of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China
| | - Keke Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Yuanbin She
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhuqing Gao
- College of Chemical and Biological Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China
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