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Pan J, Wang B, Liu S, Liu S, Yan W. Synthesis and Application of LTA Zeolite for the Removal of Inorganic and Organic Hazardous Substances from Water: A Review. Molecules 2025; 30:554. [PMID: 39942658 PMCID: PMC11820495 DOI: 10.3390/molecules30030554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2024] [Revised: 01/22/2025] [Accepted: 01/23/2025] [Indexed: 02/16/2025] Open
Abstract
Industrialization and human activities have caused significant environmental challenges, with water pollution posing severe risks to human health. This underscores the urgent need for effective water treatment solutions. Zeolites, known for their high specific surface area and stability, have gained increasing attention as adsorbents for water treatment. Among zeolites, LTA varieties stand out due to their low Si/Al ratio, which enhances ion-exchange capacity, and their cost-effectiveness. This review focuses on the synthesis of low-silica LTA zeolites, particularly zeolite A, using natural materials and solid wastes without relying on organic-structure-directing agents (OSDAs). Common pretreatment processes for such synthesis are also highlighted. The review further explores the applications of LTA zeolites in water treatment, emphasizing their exceptional performance in adsorbing inorganic and organic pollutants. In particular, LTA zeolites are highly effective at removing inorganic cation pollutants through ion exchange. An updated ion-exchange selectivity order, based on previous studies, is provided to support these findings. Overall, this review aims to guide future research and development in water treatment technologies.
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Affiliation(s)
| | | | | | | | - Wenfu Yan
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China; (J.P.); (B.W.); (S.L.); (S.L.)
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Jankowska A, Panek R, Franus W, Goscianska J. Tailoring Natural and Fly Ash-Based Zeolites Surfaces for Efficient 2,4-D Herbicide Adsorption: The Role of Hexadecyltrimethylammonium Bromide Modification. Molecules 2024; 29:5244. [PMID: 39598632 PMCID: PMC11596083 DOI: 10.3390/molecules29225244] [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: 10/04/2024] [Revised: 10/24/2024] [Accepted: 11/04/2024] [Indexed: 11/29/2024] Open
Abstract
Global development has led to the generation of substantial levels of hazardous contaminants, including pesticides, which pose significant environmental risks. Effective elimination of these pollutants is essential, and innovative materials and techniques offer promising solutions. This study examines the modification of natural zeolite (clinoptilolite) and fly ash-based NaA and NaX zeolites with hexadecyltrimethylammonium bromide (CTAB) to create inexpensive adsorbents for removing 2,4-dichlorophenoxyacetic acid (2,4-D) herbicide from water. Detailed characterization of these materials was performed, along with an evaluation of the effects of pH, contact time, temperature, and initial 2,4-D concentration on their sorption capacities. The modified samples exhibited significant changes in elemental composition (e.g., reduced SiO2 and Al2O3 content, presence of Br) and textural properties. The adsorption of the pesticide was found to be an exothermic, spontaneous process of pseudo-second-order kinetics and was consistent with the Langmuir model. The highest sorption capacities were observed for samples modified with 0.05 mol L-1 CTAB, particularly for CliCTAB-0.05.
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Affiliation(s)
- Agata Jankowska
- Department of Chemical Technology, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznan, Poland;
| | - Rafał Panek
- Department of Construction Materials Engineering and Geoengineering, Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland; (R.P.); (W.F.)
| | - Wojciech Franus
- Department of Construction Materials Engineering and Geoengineering, Faculty of Civil Engineering and Architecture, Lublin University of Technology, Nadbystrzycka 40, 20-618 Lublin, Poland; (R.P.); (W.F.)
| | - Joanna Goscianska
- Department of Chemical Technology, Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznan, Poland;
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Ye J, Yang Y, Zhang L, Li M, Wang Y, Chen Y, Ling R, Yan J, Chen Y, Hu J, Fang Z. Molten Alkali-Assisted Formation of Silicate Gels and Its Application for Preparing Zeolites. Gels 2024; 10:392. [PMID: 38920938 PMCID: PMC11202758 DOI: 10.3390/gels10060392] [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: 05/08/2024] [Revised: 05/30/2024] [Accepted: 05/31/2024] [Indexed: 06/27/2024] Open
Abstract
Fly ash was used as raw material to prepare zeolites through silicate gels, assisted by the hydrothermal method. The silicate gels could be effectively formed in a few minutes in a molten alkali environment. The zeolites could be prepared by using these silicate gels through the hydrothermal method, which realizes the transformation from useless materials to highly valuable materials. The obtained zeolites were applied to the removal of ammonium in water, achieving the highvalue utilization of fly ash. The synthesized zeolites were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectrum (EDS), thermogravimetric (TG), and Fourier transform infrared (FTIR) spectroscopy. The study on the adsorption and removal of ammonium in water shows that the adsorption of ammonium is more in line with pseudo first-order kinetics, and the adsorption mainly occurs in the first 20 min. The adsorption can reach equilibrium in 30 min, and the maximum adsorption capacity can reach 49.1 mg/g. The adsorption capacity of ammonium has the best performance at pH = 5. Furthermore, within a certain range, an increase in temperature is beneficial for the removal of ammonium.
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Affiliation(s)
- Juan Ye
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Yanchun Yang
- Ecological Environment Monitoring Station in Yanji City, Yanji 133001, China;
| | - Li Zhang
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Man Li
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Yiling Wang
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Yuxuan Chen
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Ruhui Ling
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Jiefeng Yan
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Yan Chen
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, Jilin University, Changchun 130012, China;
| | - Jinxing Hu
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
| | - Zhenxing Fang
- College of Science and Technology, Ningbo University, 521 Wenwei Road, Ningbo 315300, China; (J.Y.); (L.Z.); (M.L.); (Y.W.); (Y.C.); (R.L.); (J.Y.); (J.H.)
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Sobhani D, Djahaniani H, Duong A, Kazemian H. Efficient removal of microcystin-LR from contaminated water using water-stable MIL-100(Fe) synthesized under HF-free conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:24512-24524. [PMID: 38443530 DOI: 10.1007/s11356-024-32675-6] [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: 10/16/2023] [Accepted: 02/23/2024] [Indexed: 03/07/2024]
Abstract
Cyanobacterial algal hepatotoxins, called microcystins (MCs), are a global health concern, necessitating research on effective removal methods from contaminated water bodies. In this study, we synthesized non-fluorine MIL-100(Fe) using an environmentally friendly room-temperature method and utilized it as an adsorbent to effectively remove microcystin-LR (MC-LR), which is the most toxic MC congener. MIL-100(Fe) was thoroughly characterized, and its adsorption process was investigated under various conditions. Results revealed rapid MC-LR adsorption, achieving 93% removal in just 5 min, with the pseudo-second-order kinetic model indicating chemisorption as the primary mechanism. The Langmuir isotherm model demonstrated a monolayer sorption capacity of 232.6 µg g-1 at room temperature, showing favorable adsorption. Furthermore, the adsorption capacity increased from 183 µg g-1 at 20 °C to 311 µg g-1 at 40 °C, indicating an endothermic process. Thermodynamic parameters supported MC-LR adsorption's spontaneous and feasible nature onto MIL-100(Fe). This study highlights MIL-100(Fe) as a promising method for effectively removing harmful biological pollutants, such as MC-LR, from contaminated water bodies in an environmentally friendly manner.
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Affiliation(s)
- Dorna Sobhani
- Natural Resources and Environmental Studies Institute, University of Northern British Columbia, Prince George, BC, Canada
- Northern Analytical Lab Services (Northern BC's Environment & Climate Solutions Innovation Hub), University of Northern British Columbia, Prince George, BC, Canada
| | - Hooreih Djahaniani
- Northern Analytical Lab Services (Northern BC's Environment & Climate Solutions Innovation Hub), University of Northern British Columbia, Prince George, BC, Canada
- Materials Technology & Environmental Research (MATTER) Lab, University of Northern British Columbia, Prince George, BC, Canada
| | - Ann Duong
- Natural Resources and Environmental Studies Institute, University of Northern British Columbia, Prince George, BC, Canada
| | - Hossein Kazemian
- Northern Analytical Lab Services (Northern BC's Environment & Climate Solutions Innovation Hub), University of Northern British Columbia, Prince George, BC, Canada.
- Materials Technology & Environmental Research (MATTER) Lab, University of Northern British Columbia, Prince George, BC, Canada.
- Environmental Sciences Program, Faculty of Environment, University of Northern British Columbia, Prince George, British Columbia, V2N4Z9, Canada.
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Peng X, Zhang Z, Chen H, Zhang X, Zhang X, Tan C, Bai X, Gong Y, Li H. The investigation of the binding ability between sodium dodecyl sulfate and Cu (II) in urban stormwater runoff. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 350:119671. [PMID: 38039706 DOI: 10.1016/j.jenvman.2023.119671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 10/24/2023] [Accepted: 11/20/2023] [Indexed: 12/03/2023]
Abstract
The simultaneous presence of heavy metals and surfactants in runoff induces complexation and ecological harm during migration. However, interactions between these pollutants are often overlooked in past studies. Thus, investigating heavy metal-surfactant complexes in runoff is imperative. In this work, Cu (II) and sodium dodecyl sulfate (SDS) were selected to investigate the interaction between heavy metals and surfactants due to the higher detected frequency in runoff. Through 1H NMR and FTIR observation of hydrogen atom nuclear displacement and functional group displacement of SDS, the change of SDS and Cu (II) complexation was obtained, and then the complexation form of Cu (II) and SDS was verified. The results showed that solution pH values and ionic strength had significant effects on the complexation of Cu (II). When the pH values increase from 3.0 to 6.0, the complexation efficiency of SDS with Cu (II) increased by 12.12% at low concentration of SDS, which may be attributed to the excessive protonation in the aqueous solution at acidic condition. The increase of ionic strength would inhibit the complexation reaction efficiency by 19.57% and finally reached the platform with concentration of NaNO3 was 0.10 mmol/L, which was mainly due to the competitive relationship between Na (I) and Cu (II). As a general filtering material in stormwater treatment measures, natural zeolite could affect the interaction between SDS and Cu (II) greatly. After the addition of SDS, the content of free Cu (II) in the zeolite-SDS-Cu (II) three-phase mixed system was significantly reduced, indicating that SDS had a positive effect on the removal of Cu (II) from runoff. This study is of great significance for investigating the migration and transformation mechanism of SDS and Cu (II) in the future and studying the control technology of storm runoff pollution.
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Affiliation(s)
- Xinyu Peng
- Beijing Energy Conservation & Sustainable Urban and Rural Development Provincial and Ministry Co-construction Collaboration Innovation Center, Beijing, 100044, China
| | - Ziyang Zhang
- Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing, 102616, China.
| | - Hongrui Chen
- CRRC Environmental Science & Technology Cooperation, Beijing, 100067, China
| | - Xiaoxian Zhang
- China Tiegong Investment & Construction Group Co. Ltd, China
| | - Xiaoran Zhang
- Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing, 102616, China
| | - Chaohong Tan
- Beijing Engineering Research Center of Sustainable Urban Sewage System Construction and Risk Control, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China
| | - Xiaojuan Bai
- Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing, 102616, China
| | - Yongwei Gong
- Key Laboratory of Urban Stormwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering and Architecture, Beijing, 102616, China
| | - Haiyan Li
- Beijing Energy Conservation & Sustainable Urban and Rural Development Provincial and Ministry Co-construction Collaboration Innovation Center, Beijing, 100044, China
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