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Jadhav P, Bhuyar P, Misnon II, Rahim MHA, Roslan R. Advancement of lignin into bioactive compounds through selective organic synthesis methods. Int J Biol Macromol 2024; 276:134061. [PMID: 39043289 DOI: 10.1016/j.ijbiomac.2024.134061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 07/25/2024]
Abstract
The conversion of lignin into bioactive compounds through selective organic synthesis methods represents a promising frontier in the pursuit of sustainable raw materials and green chemistry. This review explores the versatility of lignin-derived bioactive compounds, ranging from their application in drug discovery to their role in the development of biodegradable materials. Despite notable advancements, the synthesis routes and yields of highly bioactive molecules from lignin still require further exploration and improvement. This review provides an in-depth examination of the progress made in understanding the complex structure of lignin and developing innovative approaches to exploit its potential. Specifically, the types of lignins covered include softwood Kraft lignin, hardwood organosolv lignin, and soda lignin. This work is divided into three parts: first, the transformation of lignin into bioactive molecules with chemically active centres and functionalised hydroxyl groups through depolymerisation; second, kinetic modelling techniques essential for understanding the chemical kinetics of lignin and enabling significant scaling up in the conversion of organic molecules; third, efficient catalytic pathways for synthesising molecules with anticancer and antibacterial properties. In conclusion, this comprehensive review spurs further investigations into lignin-derived bioactive compounds, their applications, and the advancement of sustainable processes.
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Affiliation(s)
- Pramod Jadhav
- Centre for Advanced Intelligent Materials, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Malaysia; Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Pahang, Malaysia
| | - Prakash Bhuyar
- International College (MJU-IC), Maejo University, Chiang Mai 50290, Thailand
| | - Izan Izwan Misnon
- Centre for Advanced Intelligent Materials, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Malaysia; Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Pahang, Malaysia
| | - Mohd Hasbi Ab Rahim
- Centre for Advanced Intelligent Materials, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Malaysia; Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Pahang, Malaysia
| | - Rasidi Roslan
- Centre for Advanced Intelligent Materials, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Malaysia; Faculty of Industrial Sciences and Technology, Universiti Malaysia Pahang Al-Sultan Abdullah, Lebuh Persiaran Tun Khalil Yaakob, 26300 Gambang Kuantan, Pahang, Malaysia.
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Ichu BC, Nwogu NA, Opara AI, Agulanna AC, Udoka Nkwoada A. Heavy metal profile with health risk peculiarities in Enugu State and their long-term challenges in drinking water. JOURNAL OF WATER AND HEALTH 2024; 22:939-952. [PMID: 38822471 DOI: 10.2166/wh.2024.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 03/17/2024] [Indexed: 06/03/2024]
Abstract
Health authorities are particularly concerned about water security in Enugu, southeast Nigeria and heavy metal (HM) pollution. The HM profiles of 51 samples collected from 17 different commercial bottled water brands in Enugu were examined using an flame atomic absorption spectroscopy. Cd, Cr, Cu, Pb, Ni, and Zn had mean values of 0.15 ± 0.03, 0.03 ± 0.02, 0.16 ± 0.03, 0.13 ± 0.02, and 0.02 ± 0.01 mg/L, respectively. The highest levels of Pb2+ were 0.27 mg/L in Exalté, Ni2+ 0.26 mg/L in Jasmine, Cd2+ 0.36 mg/L in Ezbon, Cr3+ 0.07 mg/L in Trinity, Cu2+ 0.04 mg/L in Bigi, and Zn2+ 0.02 mg/L in Aquarapha. The amounts of Cr, Cu, and Zn were below the allowable limits; nevertheless, the Pb content in eight bottled water samples exceeded both the Nigerian and World Health Organization (WHO)/U.S. Environmental Protection Agency (USEPA) permissible limits. The Cd2+ and Ni2+ levels in the 11th and 4th bottled water samples were above the WHO/USEPA-approved limits. Statistical evaluation revealed significant differences in the amounts of HM ions in the samples (p < 0.05). The findings indicated that concentration levels of Cd2+ Ni2+, and Pb2+ pose a public health concern that needs to be addressed due to potential risk to consumer health.
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Affiliation(s)
- Bright Chigozie Ichu
- Materials and Energy Technology Department, Projects Development Institute (PRODA), Emene Industrial Layout, P.M.B. 01609, Enugu State, Nigeria
| | - Nwanyinnaya Akuagwu Nwogu
- Materials and Energy Technology Department, Projects Development Institute (PRODA), Emene Industrial Layout, P.M.B. 01609, Enugu State, Nigeria
| | - Alexander Iheanyichukwu Opara
- Department of Geology, School of Physical Sciences, Federal University of Technology Owerri, PMB 1526, Imo State, Nigeria
| | - Albert Chibuzo Agulanna
- Materials and Energy Technology Department, Projects Development Institute (PRODA), Emene Industrial Layout, P.M.B. 01609, Enugu State, Nigeria
| | - Amarachi Udoka Nkwoada
- Department of Chemistry, School of Physical Sciences, Federal University of Technology Owerri, PMB 1526 Imo State, Nigeria E-mail:
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Adeiga OI, Pillay K. Rooibos tea waste binary oxide composite: An adsorbent for the removal of nickel ions and an efficient photocatalyst for the degradation of ciprofloxacin. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 355:120274. [PMID: 38452618 DOI: 10.1016/j.jenvman.2024.120274] [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: 09/15/2023] [Revised: 01/11/2024] [Accepted: 02/01/2024] [Indexed: 03/09/2024]
Abstract
In this study, rooibos tea waste (RTW) incorporated with a binary oxide (BO; Fe2O3-SnO2) has been reported for the first time as a highly efficient adsorbent material for the elimination of Ni(II) ions. The as-synthesised rooibos tea waste-binary oxide (RWBO) composite adsorbent was characterised using miscellaneous techniques such as FTIR, XRD, SEM, EDX, TGA, BET, and XPS. The RWBO was then tested for the removal of Ni(II) in a batch adsorption experiment. The composite adsorbent showed a great removal efficiency of about 99.75% for Ni(II) ions at 45 °C, 180 min agitation time, pH 7, and dosage of 250 mg. The adsorption process was found to be endothermic and spontaneous. Also, the spent adsorbent [RWBO-Ni(II)] was found to be solar light active with a narrow band gap of 1.4 eV. It was further used as a photocatalyst for the photocatalytic abatement of 10 mg/L ciprofloxacin with an extent of degradation of 83% obtained after 150 min. In addition, the extent of mineralisation of the ciprofloxacin by the spent adsorbent as obtained from the TOC data was found to be 64%. Overall, the RWBO composite adsorbent lends itself as an efficient, eco-friendly and promising material for environmental remediation.
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Affiliation(s)
- Opeoluwa I Adeiga
- Department of Chemical Sciences, University of Johannesburg, South Africa
| | - Kriveshini Pillay
- Department of Chemical Sciences, University of Johannesburg, South Africa.
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Hellal MS, Rashad AM, Kadimpati KK, Attia SK, Fawzy ME. Adsorption characteristics of nickel (II) from aqueous solutions by Zeolite Scony Mobile-5 (ZSM-5) incorporated in sodium alginate beads. Sci Rep 2023; 13:19601. [PMID: 37949922 PMCID: PMC10638433 DOI: 10.1038/s41598-023-45901-x] [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: 08/09/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023] Open
Abstract
Nickel, a prevalent metal in the ecosystem, is released into the environment through various anthropogenic activities, leading to adverse effects. This research explored utilizing zeolite scony mobile-5 (ZSM-5) nanoparticles encapsulated in sodium alginate (SA) for nickel (II) removal from aqueous solutions. The adsorption characteristics of SA/ZSM-5 were examined concerning contact duration, initial metal ion concentration, pH level, temperature, and sorbent dosage. The findings revealed that a rising pH reduced Ni (II) uptake by the sorbent while increasing the Ni (II) concentration from 25 to 100 mg L-1 led to a decrease in removal percentage from 91 to 80% under optimal conditions. Furthermore, as sorbent dosage increased from 4 to 16 g L-1, uptake capacity declined from 9.972 to 1.55 mg g-1. Concurrently, SA/ZSM-5 beads' Ni (II) sorption capacity decreased from 96.12 to 59.14% with a temperature increase ranging from 25 to 55 °C. The Ni (II) sorption data on SA/ZSM-5 beads are aptly represented by Langmuir and Freundlich equilibrium isotherm models. Moreover, a second-order kinetic model characterizes the adsorption kinetics of Ni (II) on the SA/ZSM-5 beads. A negative free energy change (ΔG°) demonstrates that the process is both viable and spontaneous. The negative enthalpy values indicate an exothermic nature at the solid-liquid interface while negative entropy values suggest a decrease in randomness. In conclusion, this novel adsorbent exhibits promise for removing nickel from aqueous solutions and could potentially be employed in small-scale industries under similar conditions.
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Affiliation(s)
- Mohamed S Hellal
- Water Pollution Research Department, National Research Centre, El Behooth St., P.O. Box 12622, Dokki, Cairo, Egypt.
| | - Ahmed M Rashad
- Analysis and Evaluation Department, Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt
| | - Kishore K Kadimpati
- Department of Environmental Biotechnology, Faculty of Energy and Environmental Engineering, Silesian University of Technology, ul. Akademicka 2, 44-100, Gliwice, Poland
| | - Sayed K Attia
- Analysis and Evaluation Department, Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt
| | - Mariam E Fawzy
- Water Pollution Research Department, National Research Centre, El Behooth St., P.O. Box 12622, Dokki, Cairo, Egypt
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Segneanu AE, Trusca R, Cepan C, Mihailescu M, Muntean C, Herea DD, Grozescu I, Salifoglou A. Innovative Low-Cost Composite Nanoadsorbents Based on Eggshell Waste for Nickel Removal from Aqueous Media. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2572. [PMID: 37764601 PMCID: PMC10537637 DOI: 10.3390/nano13182572] [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: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023]
Abstract
In a contemporary sustainable economy, innovation is a prerequisite to recycling waste into new efficient materials designed to minimize pollution and conserve non-renewable natural resources. Using an innovative approach to remediating metal-polluted water, in this study, eggshell waste was used to prepare two new low-cost nanoadsorbents for the retrieval of nickel from aqueous solutions. Scanning electron microscopy (SEM) results show that in the first eggshell-zeolite (EZ) adsorbent, the zeolite nanoparticles were loaded in the eggshell pores. The preparation for the second (iron(III) oxide-hydroxide)-eggshell-zeolite (FEZ) nanoadsorbent led to double functionalization of the eggshell base with the zeolite nanoparticles, upon simultaneous loading of the pores of the eggshell and zeolite surface with FeOOH particles. Structural modification of the eggshell led to a significant increase in the specific surface, as confirmed using BET analysis. These features enabled the composite EZ and FEZ to remove nickel from aqueous solutions with high performance and adsorption capacities of 321.1 mg/g and 287.9 mg/g, respectively. The results indicate that nickel adsorption on EZ and FEZ is a multimolecular layer, spontaneous, and endothermic process. Concomitantly, the desorption results reflect the high reusability of these two nanomaterials, collectively suggesting the use of waste in the design of new, low-cost, and highly efficient composite nanoadsorbents for environmental bioremediation.
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Affiliation(s)
- Adina-Elena Segneanu
- Institute for Advanced Environmental Research, West University of Timisoara (ICAM-WUT), 4 Oituz St., 300086 Timișoara, Romania;
| | - Roxana Trusca
- National Center for Micro and Nanomaterials, Politehnica University of Bucharest, Str. Splaiul Independenţei, Nr. 313, 060042 Bucharest, Romania;
| | - Claudiu Cepan
- Department of Applied Chemistry and Engineering of Inorganic Compounds and the Environment, University Politehnica Timisoara, Piata Victoriei Nr. 2, 300006 Timisoara, Romania; (C.C.); (M.M.); (C.M.); (I.G.)
| | - Maria Mihailescu
- Department of Applied Chemistry and Engineering of Inorganic Compounds and the Environment, University Politehnica Timisoara, Piata Victoriei Nr. 2, 300006 Timisoara, Romania; (C.C.); (M.M.); (C.M.); (I.G.)
- Research Institute for Renewable Energy, 138 Gavril Musicescu St., 300501 Timisoara, Romania
| | - Cornelia Muntean
- Department of Applied Chemistry and Engineering of Inorganic Compounds and the Environment, University Politehnica Timisoara, Piata Victoriei Nr. 2, 300006 Timisoara, Romania; (C.C.); (M.M.); (C.M.); (I.G.)
- Research Institute for Renewable Energy, 138 Gavril Musicescu St., 300501 Timisoara, Romania
| | - Dumitru Daniel Herea
- National Institute of Research and Development for Technical Physics, 47 Mangeron Blvd, 700050 Iasi, Romania;
| | - Ioan Grozescu
- Department of Applied Chemistry and Engineering of Inorganic Compounds and the Environment, University Politehnica Timisoara, Piata Victoriei Nr. 2, 300006 Timisoara, Romania; (C.C.); (M.M.); (C.M.); (I.G.)
| | - Athanasios Salifoglou
- Laboratory of Inorganic Chemistry and Advanced Materials, School of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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Velarde L, Nabavi MS, Escalera E, Antti ML, Akhtar F. Adsorption of heavy metals on natural zeolites: A review. CHEMOSPHERE 2023; 328:138508. [PMID: 36972873 DOI: 10.1016/j.chemosphere.2023.138508] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 02/20/2023] [Accepted: 03/24/2023] [Indexed: 06/18/2023]
Abstract
Water pollution has jeopardized human health, and a safe supply of drinking water has been recognized as a worldwide issue. The increase in the accumulation of heavy metals in water from different sources has led to the search for efficient and environmentally friendly treatment methods and materials for their removal. Natural zeolites are promising materials for removing heavy metals from different sources contaminating the water. It is important to know the structure, chemistry, and performance of the removal of heavy metals from water, of the natural zeolites to design water treatment processes. This review focuses on critical analyses of the application of distinct natural zeolites for the adsorption of heavy metals from water, specifically, arsenic (As(III), As(V)), cadmium (Cd(II)), chromium (Cr(III), Cr(VI)), lead (Pb(II)), mercury(Hg(II)) and nickel (Ni(II)). The reported results of heavy-metal removal by natural zeolites are summarized, and the chemical modification of natural zeolites by acid/base/salt reagent, surfactants, and metallic reagents has been analyzed, compared, and described. Furthermore, the adsorption/desorption capacity, systems, operating parameters, isotherms, and kinetics for natural zeolites were described and compared. According to the analysis, clinoptilolite is the most applied natural zeolite to remove heavy metals. It is effective in removing As, Cd, Cr, Pb, Hg, and Ni. Additionally, an interesting fact is a variation between the natural zeolites from different geological origins regarding the sorption properties and capacities for heavy metals suggesting that natural zeolites from different regions of the world are unique.
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Affiliation(s)
- Lisbania Velarde
- Department of Chemistry, Faculty of Science and Technology, San Simon University, UMSS, Cochabamba, Bolivia; Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Mohammad Sadegh Nabavi
- Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Edwin Escalera
- Department of Chemistry, Faculty of Science and Technology, San Simon University, UMSS, Cochabamba, Bolivia
| | - Marta-Lena Antti
- Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87, Luleå, Sweden
| | - Farid Akhtar
- Division of Materials Science, Department of Engineering Sciences and Mathematics, Luleå University of Technology, SE-971 87, Luleå, Sweden.
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Removal of Ni(II) from Aqueous Solution by Novel Lycopersicon esculentum Peel and Brassica botrytis Leaves Adsorbents. SEPARATIONS 2023. [DOI: 10.3390/separations10020113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The current work reports adsorption of Ni(II) using Brassica botrytis leaves (BBL), Brassica botrytis leaves-activated carbon (BBL-AC), Lycopersicon esculentum peel (LEP) and Lycopersicon esculentum peel-activated carbon (LEP-AC). The adsorption of Ni(II) was tested in batch experiments by varying different parameters such as pH, initial metal ion concentration, temperature, adsorbent dosage, and contact time. Thermodynamics and kinetics investigations were performed for Ni removal. The adsorption of Ni(II) was improved by incorporation of activated carbon to the parental Brassica botrytis leaves and Lycopersicon esculentum peel adsorbents. The studies revealed 40 min of equilibrium time for Ni(II) adsorption by different adsorbents. Adsorption of Ni was drastically declined by temperature with a minimum adsorption of 53% observed for BBL. Similarly, solution pH also played a vital role in Ni(II) adsorption by different adsorbents. A 95% adsorption of Ni was recorded in the case of LEP-AC at pH 7. The study concluded with the application of Lycopersicon esculentum peel and Brassica botrytis leaves as active adsorbents for Ni(II) adsorption from aqueous solution.
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Kolmykova LI, Nikashina VA, Korobova EM. Experimental study of the sorption properties of natural zeolite-containing tripolite and their ability to purify aqueous solutions contaminated with Ni and Zn. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:267-274. [PMID: 35994218 DOI: 10.1007/s10653-022-01346-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
Sorption properties of natural zeolite-containing tripolite from the Khotynetsky deposit (Russia, Oryol region) were studied to evaluate their possibility to purify ground waters contaminated by technogenic Ni2+ and Zn2+. According to experimental data the total ion-exchange capacity of the natural tripolite sample equaled to 1.79 mg-eq/g. The kinetic experiments showed that equilibrium in the studied rock-solution system took place after 500 h of interaction. In the range of the used Ni2+ and Zn2+ concentrations (2-10 mg/L) after 21 days of interaction with natural tropolite suspension, the sorption of the studied ions can be approximated by a linear isotherm, zinc being sorbed much better than nickel: the average values of distribution coefficients (Kd) obtained for 0.003 N CaCl2 aquatic solution equaled to 2.7 × 103 ml/g for Ni2+ and 6.7 × 103 ml/g for Zn2+. Therefore, natural zeolite-containing tripolite of the Khotinetsky deposit can be used for extraction of technogenic Ni2+ and Zn2+ from natural surface and ground waters contaminated by these ions and can be considered as an effective natural sorbent for solving environmental problems.
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Affiliation(s)
- L I Kolmykova
- Vernadsky Institute of Geochemistry and Analytical Chemistry of Russian Academy of Science, Moscow, Russia.
| | - V A Nikashina
- Vernadsky Institute of Geochemistry and Analytical Chemistry of Russian Academy of Science, Moscow, Russia
| | - E M Korobova
- Vernadsky Institute of Geochemistry and Analytical Chemistry of Russian Academy of Science, Moscow, Russia
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A Review on Polyacrylonitrile as an Effective and Economic Constituent of Adsorbents for Wastewater Treatment. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248689. [PMID: 36557823 PMCID: PMC9784622 DOI: 10.3390/molecules27248689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/22/2022] [Accepted: 11/25/2022] [Indexed: 12/14/2022]
Abstract
Water gets polluted due to the dumping of untreated industrial waste into bodies of water, particularly those containing heavy metals and dyes. Industrial water contains both inorganic and organic wastes. Numerous adsorbents that are inexpensive and easily available can be used to address the issue of water deterioration. This review report is focused on polyacrylonitrile as an efficient constituent of adsorbents to extract toxic ions and dyes. It discusses the various formulations of polyacrylonitrile, such as ion exchange resins, chelating resins, fibers, membranes, and hydrogels, synthesized through different polymerization methods, such as suspension polymerization, electrospinning, grafting, redox, and emulsion polymerization. Moreover, regeneration of adsorbent and heavy metal ions makes the adsorption process more cost-effective and efficient. The literature reporting successful regeneration of the adsorbent is included. The factors affecting the performance and outcomes of the adsorption process are also discussed.
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Khan S, Idrees M, Bilal M. Revealing and elucidating chemical speciation mechanisms for lead and nickel adsorption on zeolite in aqueous solutions. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126711] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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