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Subagyo R, Diakana AR, Anindika GR, Akhlus S, Juwono H, Zhang L, Arramel, Kusumawati Y. Modification of Sugar Cane Bagasse with CTAB and ZnO for Methyl Orange and Methylene Blue Removal. ACS OMEGA 2024; 9:25251-25264. [PMID: 38882161 PMCID: PMC11170691 DOI: 10.1021/acsomega.4c02938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/12/2024] [Accepted: 05/16/2024] [Indexed: 06/18/2024]
Abstract
Sugar cane bagasse (SB) was modified with cetyltrimethylammonium bromide (CTAB), followed by impregnation with zinc oxide (ZnO) to create a synergistic adsorption and photocatalytic system for methyl orange (MO) and methylene blue (MB) removal. The presence of CTAB and ZnO was confirmed by X-ray diffraction, Fourier transform infrared, and energy dispersive X-ray (for Zn and O). Modification of SB with CTAB (CSB) generated more positive sites on the surface of SB, which enhanced MO removal compared with that of pristine SB. ZnO impregnation induces a decrease in MO removal due to the ZnO presence on the CSB surface, which might reduce the positive sites on the CSB. In addition, the positive sites on CSB can interact with Zn2+ and O2- to form ZnO and lead to a decrease in MO removal. In contrast, the presence of ZnO facilitated good removal of MB compared to CSB, indicating that the photocatalytic process plays a greater role in removing MB. However, the addition of H2O2 can improve MO and MB removal under irradiation due to the formation of external •OH. The photocatalytic performance of MO and MB was also observed to be favored under acidic and alkaline conditions, respectively.
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Affiliation(s)
- Riki Subagyo
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
| | - Achmad R Diakana
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
| | - Garcelina R Anindika
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
| | - Syafsir Akhlus
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
| | - Hendro Juwono
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
| | - Lei Zhang
- Department of Physics, National University of Singapore, Singapore 117551, Singapore
| | - Arramel
- Center of Excellence Applied Physics and Chemistry, Nano Center Indonesia, Jl PUSPIPTEK, South Tangerang, Banten 15314, Indonesia
| | - Yuly Kusumawati
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh Nopember, Kampus ITS Keputih, Surabaya, Sukolilo 60111, Indonesia
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Liaquat I, Munir R, Abbasi NA, Sadia B, Muneer A, Younas F, Sardar MF, Zahid M, Noreen S. Exploring zeolite-based composites in adsorption and photocatalysis for toxic wastewater treatment: Preparation, mechanisms, and future perspectives. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123922. [PMID: 38580064 DOI: 10.1016/j.envpol.2024.123922] [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: 01/17/2024] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Water scarcity has become a critical global concern exacerbated by population growth, globalization, and industrial expansion, resulting in the production of wastewater containing a wide array of contaminants. Tackling this challenge necessitates the adoption of innovative materials and technologies for effective wastewater treatment. This review article provides a comprehensive exploration of the preparation, applications, mechanisms, and economic environmental analysis of zeolite-based composites in wastewater treatment. Zeolite, renowned for its versatility and porous nature, is of paramount importance due to its exceptional properties, including high surface area, ion exchange capability, and adsorption capacity. Various synthetic methods for zeolite-based composites are discussed. The utilization of zeolites in wastewater treatment, particularly in adsorption and photocatalysis, is thoroughly investigated. The significance of zeolite in adsorption and its role in the photocatalytic degradation of pollutants are examined, along with its applications in treating volatile organic compounds (VOCs), dye wastewater, oil-field wastewater, and radioactive waste. Mechanisms underlying zeolite-based adsorption and photocatalysis, including physical and chemical adsorption, ion exchange, and surface modification, are elucidated. Additionally, the role of micropores in the adsorption process is explored. Furthermore, the review delves into regeneration and desorption studies of zeolite-based composites, crucial for sustainable wastewater treatment practices. Economic and environmental analyses are conducted to assess the feasibility and sustainability of employing zeolite-based composites in wastewater treatment applications. Future recommendations are provided to guide further research and development in the field of zeolite-based composites, aiming to enhance wastewater treatment efficiency and environmental sustainability. By exploring the latest advancements and insights into zeolite-based nanocomposites, this paper aims to contribute to the development of more efficient and sustainable wastewater treatment strategies. The integration of zeolite-based materials in wastewater treatment processes shows promise for mitigating water pollution and addressing water scarcity challenges, ultimately contributing to environmental preservation and public health protection.
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Affiliation(s)
- Iqra Liaquat
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Ruba Munir
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Naseer Ahmed Abbasi
- Department of Land and Water Management, Faculty of Agricultural Engineering, Sindh Agriculture University Tandojam, 70060, Pakistan
| | - Bushra Sadia
- Centre of Agricultural Biochemistry and Biotechnology (CABB), University of Agriculture, Faisalabad, 38000, Pakistan
| | - Amna Muneer
- Department of Physics, Government College Women University, Faisalabad 38000, Pakistan
| | - Fazila Younas
- School of Environmental Science and Engineering, Shandong University, Qingdao, 266237, China
| | - Muhammad Fahad Sardar
- Qingdao Key Laboratory of Ecological Protection and Restoration, School of Life Science, Shandong University, Qingdao, 266237, China
| | - Muhammad Zahid
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Saima Noreen
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan.
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Alkas TR, Purnomo AS, Ediati R, Ersam T. Adsorption and decolorization study of reactive black 5 by immobilized metal-organic framework of UiO-66 and Gloeophyllum trabeum fungus. RSC Adv 2023; 13:30885-30897. [PMID: 37869392 PMCID: PMC10588372 DOI: 10.1039/d3ra03804a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 10/14/2023] [Indexed: 10/24/2023] Open
Abstract
This study aimed to investigate immobilized metal-organic framework (MOF) UiO-66 and brown-rot fungus Gloeophyllum trabeum (GT) in PVA-SA matrices for adsorption and decolorization of reactive black 5 (RB5). Furthermore, UiO-66/GT@PVA-SA composite was successfully fabricated and obtained by immobilizing UiO-66 and GT mycelia into a mixture of PVA-SA. This composite demonstrated a decolorization ability of 80.12% for RB5 after 7 days. The composite's reusability was assessed for three cycles; at last, it only achieved 21%. This study reported that adsorption of RB5 by the composite followed a pseudo-second-order kinetic model with a correlation coefficient (R2) of 0.9997. The Freundlich model was found to be suitable for the isotherm adsorption. The process was also spontaneous and feasible, as indicated by the negative ΔG value. Subsequently, four metabolite products resulting from decolorization of RB5 by UiO-66/GT@PVA-SA composite were proposed, namely: C24H19N5Na2O13S4 (m/z = 762), C10H13N2O8S2- (m/z = 353), C12H9N4O7S2- (m/z = 384), and C10H13O8S2- (m/z = 325).
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Affiliation(s)
- Taufiq Rinda Alkas
- Departement of Environment Management, Politeknik Pertanian Negeri Samarinda Samarinda 75131 Indonesia
| | - Adi Setyo Purnomo
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
| | - Ratna Ediati
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
| | - Taslim Ersam
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
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Hani A, Meftah N, Zeghoud L, Sdiri A, Jawad AH. Statistical Optimization and Desirability Function for Producing Nano Silica from Dune Sand by Sol–gel Method Towards Methylene Blue Dye Removal. J Inorg Organomet Polym Mater 2023. [DOI: 10.1007/s10904-023-02612-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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A'yuni Q, Rahmayanti A, Hartati H, Purkan P, Subagyo R, Rohmah N, Itsnaini LR, Fitri MA. Synthesis and characterization of silica gel from Lapindo volcanic mud with ethanol as a cosolvent for desiccant applications. RSC Adv 2023; 13:2692-2699. [PMID: 36741160 PMCID: PMC9850359 DOI: 10.1039/d2ra07891k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 01/02/2023] [Indexed: 01/20/2023] Open
Abstract
Lapindo mud (LM) is a volcanic mud from a natural disaster that occurred 16 years ago in Sidoarjo District, East Java, Indonesia. The high amount of silica in the local materials of LM has been extracted for silica gel synthesis via hydrometallurgy methods, followed by sol-gel methods. The presence of ethanol in the synthesis process generated a unique textural property at different ratios between ethanol and sodium silicate (e/ss). Sol-gel mediated silica gel synthesis exhibited mesoporous properties with an amorphous structure, which is a characteristic of the silica gel. The silica gel exhibits silica nanoparticles over the average diameter of 2.08 nm with a spherical morphology and is connected to form an agglomeration structure. Increasing the e/ss ratio enhanced the amount of the hydroxyl group and the specific surface area ranged from 57 to 103 m2 g-1. The moisture adsorption performance of each silica gel showed that the silica gel with an e/ss ratio of 5 : 5 exhibited the highest adsorption capacity measured by conventional gravimetric methods and thermogravimetric analysis of 10.56% and 11.20% gwater gsilica -1, respectively. These results indicated that the silica gel with an e/ss ratio has a high number of hydroxyl groups and more surface-active sites, which is beneficial for the adsorption process. The adsorption capacity of the synthesized silica gel is also higher than that of the commercial silica gel, indicating an excellent performance for desiccant applications.
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Affiliation(s)
- Qurrota A'yuni
- Department of Chemistry, Faculty of Science and Technology, Universitas AirlanggaSurabaya 60115Indonesia,Department of Chemical Engineering, Faaculty of Engineering, Universitas Nahdlatul Ulama SidoarjoSidoarjo 61234Indonesia,Supra Modification and Nano-Micro Engineering Research Group, Universitas AirlanggaSurabaya 60115Indonesia
| | - Ardhana Rahmayanti
- Department of Environmental Engineering, Faculty of Engineering, Universitas Nahdlatul Ulama SidoarjoSidoarjo 61234Indonesia
| | - Hartati Hartati
- Department of Chemistry, Faculty of Science and Technology, Universitas AirlanggaSurabaya 60115Indonesia
| | - Purkan Purkan
- Department of Chemistry, Faculty of Science and Technology, Universitas AirlanggaSurabaya 60115Indonesia
| | - Riki Subagyo
- Department of Chemistry, Faculty of Science and Data Analytics, Institut Teknologi Sepuluh NopemberSurabaya 60111Indonesia
| | - Nihayatur Rohmah
- Department of Wood & Paper Science, Kyungpook National UniversityDaegu 41566South Korea
| | - Luthfiyah Rifdah Itsnaini
- Department of Chemistry, Faculty of Science and Technology, Universitas AirlanggaSurabaya 60115Indonesia
| | - Medya Ayunda Fitri
- Department of Chemical Engineering, Faaculty of Engineering, Universitas Nahdlatul Ulama SidoarjoSidoarjo 61234Indonesia
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Asranudin, Holilah, Purnomo AS, Bahruji H, Allouss D, El Alaoui-Elbalrhiti I, Subagyo R, Rohmah AA, Prasetyoko D. Hectorite-CTAB-alginate composite beads for water treatment: kinetic, isothermal and thermodynamic studies. RSC Adv 2023; 13:790-801. [PMID: 36686924 PMCID: PMC9809540 DOI: 10.1039/d2ra06934b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 12/19/2022] [Indexed: 01/04/2023] Open
Abstract
Encapsulation of hectorite-modified CTAB with Ca-alginate formed reusable adsorbent beads for wastewater treatment. The thermogravimetric analysis (TGA) investigation indicated excellent thermal stability results for BHec-40 compared to Hec-40. Although the mesoporous surface area of BHec-40 decreased to 79.74 m2 g-1 compared to 224.21 m2 g-1 for Hec-40, the hectorite-CTAB-alginate beads showed high adsorption capacity and stability for methyl orange (MO) adsorption with more than 60% removal after five adsorption-desorption cycles. The influence of pH (3-11), temperature (30, 40, and 50 °C), initial concentration (50-400 mg L-1), and contact time were studied to obtain the kinetics and thermodynamics of adsorption. The outcomes revealed a maximum monolayer adsorption capacity of 117.71 mg g-1 for BHec-40. The kinetics of adsorption demonstrated the suitability of using the pseudo-first-order kinetic model, while the equilibrium adsorption data follows the Langmuir isotherm. Thermodynamic analysis indicates physisorption of MO onto BHec-40. BHec-40 improves the reusability as an adsorbent for the removal of anionic dyes from aqueous media.
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Affiliation(s)
- Asranudin
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
- Department of Food Science and Technology, Faculty of Agriculture, Halu Oleo University Kendari 93231 Indonesia
| | - Holilah
- Research Center for Biomass and Bioproducts, National Research and Innovation Agency of Indonesia (BRIN) Cibinong 16911 Indonesia
- Department of Food Science and Technology, Faculty of Agriculture, Halu Oleo University Kendari 93231 Indonesia
| | - Adi Setyo Purnomo
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
| | - Hasliza Bahruji
- Centre of Advanced Material and Energy Sciences, Universiti Brunei Darussalam Gadong Bandar Seri Begawan 1410 Brunei Darussalam
| | - Dalia Allouss
- Laboratoire de Matériaux, Catalyse et Valorisation des Ressources Naturelles, Faculté des Sciences et Techniques, Hassan II University 19 Casablanca Marocco
| | | | - Riki Subagyo
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
| | - Alya Awinatul Rohmah
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
| | - Didik Prasetyoko
- Department of Chemistry, Institut Teknologi Sepuluh Nopember (ITS) Surabaya 60111 Indonesia
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Zhang H, Gan S, Sun H, Yang H, Xie S. Fly‐Ash‐Based Hierarchical MCM‐41 Molecular Sieve as an Efficient Adsorbent for Methylene Blue Removal from Wastewater over a Wide pH. ChemistrySelect 2022. [DOI: 10.1002/slct.202203213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Huabing Zhang
- School of Biology and Chemical Engineering Panzhihua University No. 10 Airport Road, East District Panzhihua Sichuan Province 617000 People's Republic of China
| | - Simeng Gan
- School of Biology and Chemical Engineering Panzhihua University No. 10 Airport Road, East District Panzhihua Sichuan Province 617000 People's Republic of China
| | - Houxiang Sun
- School of Biology and Chemical Engineering Panzhihua University No. 10 Airport Road, East District Panzhihua Sichuan Province 617000 People's Republic of China
| | - Haiyan Yang
- School of Biology and Chemical Engineering Panzhihua University No. 10 Airport Road, East District Panzhihua Sichuan Province 617000 People's Republic of China
| | - Sicai Xie
- School of Biology and Chemical Engineering Panzhihua University No. 10 Airport Road, East District Panzhihua Sichuan Province 617000 People's Republic of China
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8
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Rakanović M, Vukojević A, Savanović MM, Armaković S, Pelemiš S, Živić F, Sladojević S, Armaković SJ. Zeolites as Adsorbents and Photocatalysts for Removal of Dyes from the Aqueous Environment. Molecules 2022; 27:molecules27196582. [PMID: 36235119 PMCID: PMC9572986 DOI: 10.3390/molecules27196582] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/28/2022] [Accepted: 09/29/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigated the potential of zeolites (NH4BETA, NH4ZSM-5, and NaY) to remove two frequently used dyes, methylene blue (MB) and rhodamine B (RB), from an aqueous environment. The removal of dyes with zeolites was performed via two mechanisms: adsorption and photocatalysis. Removal of dyes through adsorption was achieved by studying the Freundlich adsorption isotherms, while photocatalytic removal of dyes was performed under UV irradiation. In both cases, the removal experiments were conducted for 180 min at two temperatures (283 K and 293 K), and dye concentrations were determined spectrophotometrically. Additionally, after photodegradation, mineralization was analyzed as chemical oxygen demand. A computational analysis of the structures of MB and RB was performed to gain a deeper understanding of the obtained results. The computational analysis encompassed density functional theory (DFT) calculations and analysis of two quantum-molecular descriptors addressing the local reactivity of molecules. Experimental results have indicated that the considered zeolites effectively remove both dyes through both mechanisms, especially NH4BETA and NH4ZSM-5, due to the presence of active acidic centers on the outer and inner surfaces of the zeolite. The lowest efficiency of dye removal was achieved in the presence of NaY zeolite, which has a lower SiO2/Al2O3 ratio. A more efficient reduction was completed for RB dye, which agrees with the computationally obtained information about reactivity.
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Affiliation(s)
- Marina Rakanović
- Faculty of Technology, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina
| | - Andrijana Vukojević
- University of Novi Sad, Faculty of Sciences, Department of Chemistry, Biochemistry and Environmental Protection, 21000 Novi Sad, Serbia
| | - Maria M. Savanović
- University of Novi Sad, Faculty of Sciences, Department of Chemistry, Biochemistry and Environmental Protection, 21000 Novi Sad, Serbia
| | - Stevan Armaković
- University of Novi Sad, Faculty of Sciences, Department of Physics, 21000 Novi Sad, Serbia
| | - Svetlana Pelemiš
- Faculty of Technology Zvornik, University of East Sarajevo, 75400 Zvornik, Bosnia and Herzegovina
| | - Fatima Živić
- University of Kragujevac, Faculty of Engineering, 34000 Kragujevac, Serbia
- Correspondence: (F.Ž.); (S.J.A.); Tel.: +381-34-335-990 (F.Ž.); +381-21-485-2754 (S.J.A.)
| | - Slavica Sladojević
- Faculty of Technology, University of Banja Luka, 78000 Banja Luka, Bosnia and Herzegovina
| | - Sanja J. Armaković
- University of Novi Sad, Faculty of Sciences, Department of Chemistry, Biochemistry and Environmental Protection, 21000 Novi Sad, Serbia
- Correspondence: (F.Ž.); (S.J.A.); Tel.: +381-34-335-990 (F.Ž.); +381-21-485-2754 (S.J.A.)
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9
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Alkas TR, Ediati R, Ersam T, Nawfa R, Purnomo AS. Fabrication of metal-organic framework Universitetet i Oslo-66 (UiO-66) and brown-rot fungus Gloeophyllum trabeum biocomposite (UiO-66@GT) and its application for reactive black 5 decolorization. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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10
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Yuan N, Tan K, Zhang X, Zhao A, Guo R. Synthesis and adsorption performance of ultra-low silica-to-alumina ratio and hierarchical porous ZSM-5 zeolites prepared from coal gasification fine slag. CHEMOSPHERE 2022; 303:134839. [PMID: 35537628 DOI: 10.1016/j.chemosphere.2022.134839] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 04/04/2022] [Accepted: 05/01/2022] [Indexed: 06/14/2023]
Abstract
Since the human consumption of coal is increasingly growing and coal-based solid wastes are discharged in large quantities, the resource utilization of coal-based solid wastes has been paid more attention. In the present work, for the first time, the coal gasification fine slag is subjected to prepare ZSM-5 zeolites with ultra-low n(SiO2)/n(Al2O3) ratios (less than 20) and hierarchical pore structures. The increase in the concentration of the alkaline extract leads to the decrease of the crystallinity, the irregularity of the microscopic morphology, and the decrease of the specific surface area, resulting in the in-situ generation of mesopores within ZSM-5. Moreover, adsorption experiments demonstrate that ZSM-5-2M exhibits the best methylene blue adsorption performance at the pH of 9 with a removal rate of up to 82.07%, and it also has good adsorption performance in simulated real water samples. Furthermore, the adsorption performance of ZSM-5-2M on the malachite green, Rhodamine B, Congo red, and methyl orange has been investigated and it is found to be very effective for the adsorption of cationic dyes, and its adsorption performance for methylene blue and malachite green is reduced in the presence of anions.
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Affiliation(s)
- Ning Yuan
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China.
| | - Kaiqi Tan
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
| | - Xinling Zhang
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
| | - Aijing Zhao
- School of Chemical and Environmental Engineering, China University of Mining and Technology, Beijing, 100083, China
| | - Rui Guo
- School of Economics and Management, Qilu Normal University, Jinan, 250013, China
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11
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Chen Z, Su M, Chen N, Liang D, Chen D. Effectiveness and mechanism of uranium adsorption on size-graded red mud. ENVIRONMENTAL RESEARCH 2022; 212:113491. [PMID: 35618003 DOI: 10.1016/j.envres.2022.113491] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/10/2022] [Accepted: 05/14/2022] [Indexed: 06/15/2023]
Abstract
As a type of useful solid waste, red mud (RM) should be reused to achieve waste-to-resource strategies. Additionally, the fast development of nuclear industry requires effective and reliable materials for treating uranium (U)-containing wastewater. This study attempted to remove uranyl ions [U(VI)] from mimic radioactive wastewater by various RM particles with different size fractions (e.g., >75, 45-75, 20-45, 10-20, 5-10, and <5-μm). Sorption data confirmed that the RM with a size fraction of <5-μm exhibited the largest adsorption capacity. The U removal behavior was favorably described by the pseudo-second-order model and Langmuir model. The mineral phases in the RM remarkably influenced U(VI) removal. Cancrinite, katoite, grossular, calcite, and calcium aluminum silicate phases made contributions to U(VI) adsorption. In addition, redox precipitation with iron-bearing minerals on RM surface also led to U(VI) adsorption. The findings of this work offer fundamental knowledge on the potential application of RM for clean-up of U(VI) from contaminated sites.
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Affiliation(s)
- Zheng Chen
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Minhua Su
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China.
| | - Nan Chen
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China.
| | - Dongyun Liang
- Institute of Resources Utilization and Rare Earth Development, Guangdong Academy of Sciences, Guangzhou, 510630, China
| | - Diyun Chen
- Guangdong Provincial Key Laboratory of Radionuclides Pollution Control and Resources, Guangzhou University, Guangzhou, 510006, China; School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
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12
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Wang X, Li F, Ali A, Gu H, Fu H, Li Z, Lin H. Preparation of sodium silicate/red mud-based ZSM-5 with glucose as a second template for catalytic cracking of waste plastics into useful chemicals. RSC Adv 2022; 12:22161-22174. [PMID: 36043089 PMCID: PMC9364678 DOI: 10.1039/d2ra03541c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/25/2022] [Indexed: 11/21/2022] Open
Abstract
ZSM-5 was economically synthesized with red mud (RM) and industrial sodium silicate (ISS) in a tetrapropylammonium bromide (TPABr)-glucose dual-template system. The roles of glucose, Fe and Ca in RM on the formation of ZSM-5 were investigated. The catalytic performances of the resultant ZSM-5 were tested by cracking waste plastics. It was found that the formation of ZSM-5 was attributed to a synergistic effect between TPABr and glucose. The addition of glucose decreased the pH value in the crystallization solution and thus promoted the crystallization effect. Glucose acted as a hard template to generate mesopores. Fe atoms were partly distributed in the framework and partly adsorbed in the pores of ZSM-5, and helped to generate more Lewis acid sites. Ca atoms were mainly adsorbed in the pores of ZSM-5, and showed an inhibitory effect on the formation of zeolites. The synthesized ZSM-5 showed a weakly acidic and mesoporous structure and achieved an enhanced effect on producing gaseous products (gas yield: 85.3%), especially light olefins (C[double bond, length as m-dash] 2-4) (selectivity: 77.1%) from cracking of low density polyethylene at 500 °C. The long-term cracking experiment showed that the synthesized ZSM-5 is superior in converting waste plastics to light olefins (ethylene and propene) than the commercial ZSM-5.
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Affiliation(s)
- Xiaofeng Wang
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Fuwei Li
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Asad Ali
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Hengshuo Gu
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Hongbing Fu
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Zhixia Li
- School of Chemistry and Chemical Engineering, Guangxi University Nanning 530004 People's Republic of China +86-771-3233718
| | - Hongfei Lin
- Guangxi Bossco Environmental Protection Technology Co., Ltd Nanning 530007 People's Republic of China
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Converting red mud wastes into mesoporous ZSM-5 decorated with TiO2 as an eco-friendly and efficient adsorbent-photocatalyst for dyes removal. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103754] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Fraga TJM, da Silva MP, de Luna Freire EMP, Almeida LC, da Motta Sobrinho MA, Ghislandi MG, Carvalho MN. Amino-functionalized graphene oxide supported in charcoal from the gasification of furniture scraps: from one-pot synthesis to wastewater remediation. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.02.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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