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Jangir A, Samal PP, Jangir AK, Dey B, Dey S. Exploring Ficus religiosa inflorescence powder as an eco-friendly and sustainable solution for the removal of crystal violet with a disposal solution. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:728. [PMID: 38997474 DOI: 10.1007/s10661-024-12866-x] [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: 03/07/2024] [Accepted: 06/28/2024] [Indexed: 07/14/2024]
Abstract
This study investigates the potential of using Ficus religiosa inflorescence (peepal tree) as an efficient solution for removing crystal violet from simulated and industrial wastewater. Various analyses were conducted to understand the adsorbent's structure, including particle morphology, BET surface area, FTIR, and pHZPC. The adsorption process was studied under different physicochemical factors such as temperature, concentration, contact time, and pH. Results revealed rapid adsorption, with 94.15% removal efficiency within the first 15 min at neutral pH. The highest observed adsorption capacity was 198.03 mg g-1, following pseudo-second-order kinetics (R2 = 0.99), indicating chemisorption. The Langmuir model accurately described the adsorption pathway (R2 = 0.99), showing monolayer adsorption. Thermodynamic analysis indicated an exothermic, feasible, and spontaneous process with increased entropy. The adsorbent could be easily regenerated using a 1:1 MeOH/H2O mixture for up to three cycles, yielding up to 73.86%. Real-time application with industrial effluent containing crystal violet showed up to 44.70% adsorption. The experiments demonstrated reliability with evaluated standard deviations (0.017935-0.000577) and relative standard deviations (0.439-0.673%), confirming statistical reliability. In conclusion, it presents a sustainable and eco-friendly approach for removing crystal violet dye from diverse wastewater sources.
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Affiliation(s)
- Arun Jangir
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Cheri-Manatu, P.S. Kanke, Ranchi, 835222, India
| | - Priyanka Priyadarsini Samal
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Cheri-Manatu, P.S. Kanke, Ranchi, 835222, India
| | - Ashok Kumar Jangir
- Department of Physics, Government Polytechnic College, Jhunjhunu, 333001, Rajasthan, India
| | - Banashree Dey
- Department of Chemistry, The Graduate School College for Women Jamshedpur, Jamshedpur, 831001, India
| | - Soumen Dey
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Cheri-Manatu, P.S. Kanke, Ranchi, 835222, India.
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Yadav A, Sharma N, Yadav S, Sharma AK, Kumar S. Revealing the interface chemistry of polyaniline grafted biomass via statistical modeling of multi-component dye systems: optimization, kinetics, thermodynamics, and adsorption mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:21302-21325. [PMID: 38383933 DOI: 10.1007/s11356-024-32523-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 02/14/2024] [Indexed: 02/23/2024]
Abstract
The growing need to examine the adsorption capabilities of innovative materials in real-world water samples has encouraged a shift from single to multicomponent adsorption systems. In this study, a novel composite, PANI-g-SM was synthesized by covalently grafting a lignocellulosic biomass, Saccharum munja (SM) with polyaniline (PANI). The as-synthesized composite was investigated for the simultaneous adsorption of cationic (Methylene Blue (MB); Crystal Violet (CV)) and anionic dyes (Reactive Red 35 (RR); Fast Green FCF (FG)) from four single components and two binary systems, MB + RR and CV + FG. Further, the effect and interaction of pH (2-11), dosage (0.01-0.04 g/10 mL), and initial concentration (0.0313 to 0.1563 mmol/L) on the elimination of dyes by PANI-g-SM were studied through a novel design of Box-Behnken of Response Surface Methodology (RSM) technique which was found to be highly useful for revealing the chemistry of interfaces in multi-component systems. The extended Langmuir model for the binary system indicated the presence of synergism, as result the maximum monolayer adsorption capacity increased by 44.44%, 645.83%, 67.88%, and 441.07% for MB, RR, CV, and FG dye, respectively. Further, the adsorption process mainly followed a pseudo-second-order kinetic model, and the thermodynamic studies revealed the exothermic nature of adsorption for RR and FG dye while endothermic for MB and CV dye, respectively with Δ G varying from - 1.68 to - 6.12 kJ/mol indicating the spontaneity of the process. Importantly, the efficacy of the composite was evaluated for the treatment of textile industry effluent highlighting its potential as an adsorbent for wastewater treatment.
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Affiliation(s)
- Aruna Yadav
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, 127031, India
| | - Nishita Sharma
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, 127031, India
| | - Sarita Yadav
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, 127031, India
| | - Ashok K Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Sonipat, Haryana, 131039, India
| | - Surender Kumar
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani, Haryana, 127031, India.
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Abdulhameed AS, Hapiz A, Musa SA, ALOthman ZA, Wilson LD, Jawad AH. Biomagnetic chitosan-ethylene glycol diglycidyl ether/organo-nanoclay nanocomposite for azo dye removal: A statistical modeling by response surface methodology. Int J Biol Macromol 2024; 255:128075. [PMID: 37977465 DOI: 10.1016/j.ijbiomac.2023.128075] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 10/27/2023] [Accepted: 11/11/2023] [Indexed: 11/19/2023]
Abstract
Herein, a quadruple biomagnetic nanocomposite of cross-linked chitosan-ethylene glycol diglycidyl ether/organo-nanoclay (MCH-EGDE/ORNC) was designed for the uptake of remazol brilliant blue R (RBBR) dye from aqueous environment. The adsorption process was systematically improved via the Box-Behnken design (BBD) to determine the influence of key uptake parameters, including MCH-EGDE/ORNC dosage, pH, and time, on the RBBR removal. The highest RBBR removal of 87.5 % was achieved at the following conditions: MCH-EGDE/ORNC dosage: 0.1 g/100 mL; pH: 4.0; contact time: 25 min. The findings of the kinetics and equilibrium studies revealed an excellent fit to the pseudo-second order and the Freundlich models, respectively. The adsorption capacity of the MCH-EGDE/ORNC for RBBR was found to be 168.4 mg/g, showcasing its remarkable adsorption capability. The present work highlights the potential of MCH-EGDE/ORNC biomaterial as an advanced adsorbent and lays the foundation for future applications in water purification and environmental remediation.
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Affiliation(s)
- Ahmed Saud Abdulhameed
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Anbar, Ramadi, Iraq; College of Engineering, University of Warith Al-Anbiyaa, Karbala, Iraq
| | - Ahmad Hapiz
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; Advanced Biomaterials and Carbon Development Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Salis A Musa
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; Advanced Biomaterials and Carbon Development Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Zeid A ALOthman
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Lee D Wilson
- Department of Chemistry, University of Saskatchewan, Saskatoon, SK S7N 5C9, Canada
| | - Ali H Jawad
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; Advanced Biomaterials and Carbon Development Research Group, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia; Environmental and Atmospheric Sciences Research Group, Scientific Research Center, Al-Ayen University, Thi-Qar, Nasiriyah, 64001, Iraq.
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Zamani W, Rastgar S, Hedayati A. Capability of TiO 2 and Fe 3O 4 nanoparticles loaded onto Algae (Scendesmus sp.) as a novel bio-magnetic photocatalyst to degration of Red195 dye in the sonophotocatalytic treatment process under ultrasonic/UVA irradiation. Sci Rep 2023; 13:18182. [PMID: 37875511 PMCID: PMC10598211 DOI: 10.1038/s41598-023-45274-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 10/17/2023] [Indexed: 10/26/2023] Open
Abstract
In this study, the magnetic photocatalyst Scendesmus/Fe3O4/TiO2 was synthesized, and its sonophotocatalytic properties in relation to the degradation of the Red195 dye were evaluated. Particles were characterized using a scanning electron microscope (SEM), Fourier's transform infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), and a vibrating-sample magnetometer (VSM). At a pH of 5, a photocatalyst dosage of 100 mg, an initial R195 concentration of 100 mg/l, an ultrasound power of 38W, and an exposure time of 20 min, the maximum Red195 removal efficiency (100%) was achieved. After five cycles of recycling, the composite's sonophotocatalytic degradation stability for R195 remains above 95%. Experiments on scavenging indicate that electrons (h+) and hydroxyls (OH-) are indispensable decomposition agents. The removal of R195 by Scendesmus/Fe3O4/TiO2 is consistent with the pseudo-first-order kinetic, Freundlich, and Henderson's isotherm models, as determined by kinetic and isotherm investigations. The negative activation enthalpy of the standard (ΔH°) illuminates the exothermic adsorption mechanism. The increase in standard Gibbs activation free energy (ΔG°) with increasing temperature reveals the process is not spontaneous. As indicated by the negative value of the standard entropy of activation (ΔS°), activation of the reactants resulted in a loss of freedom.
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Affiliation(s)
- Wahid Zamani
- Department of Environmental Science, Faculty of Natural Resources, University of Kurdistan, Sanandaj, 15175-66177, Iran.
| | - Saeedeh Rastgar
- Department of Environmental Sciences, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, 49189-43464, Iran.
| | - Aliakbar Hedayati
- Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources Gorgan, Gorgan, 49189-43464, Iran
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Awad HEA, Mohammad AM, Farahat EA. Potential use of dry powder of Vossia cuspidata (Roxb.) Griff. rhizomes and leaves in methylene blue dye remediation. Sci Rep 2023; 13:11073. [PMID: 37422533 PMCID: PMC10329666 DOI: 10.1038/s41598-023-37987-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Accepted: 06/30/2023] [Indexed: 07/10/2023] Open
Abstract
Phytoremediation is a promising, cost-effective, and eco-friendly process for wastewater treatment. Herein, the dry biomasses of Vossia cuspidata (Roxb.) Griff. leaves (PL) and rhizomes including aerial stems (PR) were used to effectively remediate methylene blue (MB) dyes. Interestingly, the adsorption uptake and removal efficiency of MB by PR were higher than those of PL; exceeding 97 and 91% in 35 and 25 min for 0.1 and 0.4 g/L MB, respectively. The MB diffusion within the PL and PR was insignificant and the adsorption kinetics was principally controlled by the surface MB-adsorbent interaction, as consistently approved by the pseudo-second order kinetic model. In addition, the adsorption increased rapidly with the plant dosage with high dependence on the initial MB concentration. Moreover, the impact of shaking speed on the adsorption was minor but temperature played a critical role where the highest efficiencies were recorded at 30 and 40 °C on PL (91.9%) and PR (93.3%), respectively. The best removal efficiencies were attained with PR at pH 6, but with PL at pH 8. The Temkin isotherm could perfectly simulate the experimental data (R2 > 0.97); suggesting a linear decrease of the adsorption heat of MB with the plant coverage.
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Affiliation(s)
- Hossam E A Awad
- Botany and Microbiology Department, Cairo University, Giza, 12613, Egypt
| | - Ahmad M Mohammad
- Chemistry Department, Faculty of Science, Cairo University, Cairo, 12613, Egypt.
| | - Emad A Farahat
- Botany and Microbiology Department, Helwan University, Cairo, 11795, Egypt
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Sultana M, Ahmaruzzaman M. A novel Ce-Ni@biochar nanocomposite with enhanced photocatalytic activity towards organic dyes degradation: impact of process variables and water matrices. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:83463-83484. [PMID: 37340166 DOI: 10.1007/s11356-023-28034-6] [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: 03/13/2023] [Accepted: 05/29/2023] [Indexed: 06/22/2023]
Abstract
The intent of this research work is to implement a biogenic, affordable, and highly effective Ce-Ni@biochar catalyst in order to study its photoactivity in the removal of crystal violet and malachite green oxalate. The catalyst was synthesized using liquid phase reduction method where cerium and nickel nanoparticles are embedded on the rice husk biochar for photocatalytic degradation of organic dyes in the presence of sunshine. Various characterization techniques were conducted on fabricated catalyst for adequate evaluation of the chemical composition as well as morphological and topographical properties of the formed compound. The nanoparticles embedded on biochar persuade increased charge separation that resulted in a substantial decrease in electron-hole recombination rate. The synergistic actions of the catalyst resulted in a high level of photocatalytic activity. The fabricated nanocatalyst showed excellent photoactivity that caused 96 and 99% degradation of crystal violet and malachite green oxalate, a growing industrial pollutant, within 35 and 25 min, respectively. A persuasive mechanism and kinetics are well presented. A series of investigations were done on other factors, such as contact duration, catalyst dosage, starting concentration, interfering ions, and pH, to know its degradation pursuance. The impacts of different water matrices were also investigated. The removal effectiveness of the synthesized catalyst persisted after five consecutive cycles. Marking the burgeoning industrial effluents as a result of rapid industrialization and also focusing on easy availability and low-cost source as well as high efficiency, reusability of the catalyst imparts its novelty and need of this research work.
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Affiliation(s)
- Musfica Sultana
- Department of Chemistry, National Institute of Technology Silchar, Assam, 788010, India
| | - Md Ahmaruzzaman
- Department of Chemistry, National Institute of Technology Silchar, Assam, 788010, India.
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Rahman UU, Humayun M, Khan A, Farooq S, Sadiq M, Bououdina M, Shah N. Thermo-Chemical Modification of Cellulose for the Adsorptive Removal of Titan Yellow from Wastewater. Molecules 2023; 28:molecules28093955. [PMID: 37175365 PMCID: PMC10179791 DOI: 10.3390/molecules28093955] [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: 04/09/2023] [Revised: 04/27/2023] [Accepted: 05/02/2023] [Indexed: 05/15/2023] Open
Abstract
This research work focuses on the isolation and thermo-chemical modification of cellulose and its application as an adsorbent for the removal of organic pollutants. The used cellulose was collected from a locally available plant (Olive Europa) commonly called Zaitoon. The stem branches of Zaitoon were collected and then kept in water for 40-45 days at room temperature to extract the cellulose fibers. These cellulose fibers were then kept in the Soxhlet apparatus for washing in n-hexane for 72 h. The purified cellulose was divided into three parts: one part was subjected to thermal activation (TAC), the second was modified chemically (CMC) with Benzyl Chloride, while the last one remained un-functionalized (UFC). All the three forms of cellulose were characterized via FTIR and SEM, then utilized for the removal of Titan Yellow (TY) dye from aqueous media via adsorption process by varying the contact time, temperature, concentration of dye and type, and dose of adsorbent. The adsorption efficiencies of all adsorbents were compared under different experimental variables. Thermally activated cellulose showed the best results for the removal of TY compared with other materials. The calculated removal percentage of TY was found to be 97.69, 94.83, 94.83, and 98% under equilibrium conditions of contact time, temperature, adsorbent dose, and TY concentration. Similarly, the uptake capacities of TAC under optimal experimental conditions were found to be 19.56, 18.96, 18.52, and 18.75 mg/g. Thermodynamic studies of TAC, CMC, and UFC showed that the values of ΔG are negative, while those of ΔH and ΔS are positive in all cases and at all temperatures. This indicates that the TY elimination process is endothermic and spontaneous with an entropy-driven nature. The obtained results indicate that the as-fabricated low-cost biomaterials can effectively remove dyes from wastewater through physicochemical interactions. The removal process was influenced by the nature of the adsorbent and the operating variables.
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Affiliation(s)
- Ubaid Ur Rahman
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
| | - Muhammad Humayun
- Department of Mathematics and Sciences, Faculty of Humanities and Sciences, Energy, Water, and Environment Lab, Prince Sultan University, Riyadh 12435, Saudi Arabia
| | - Abbas Khan
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
- Department of Mathematics and Sciences, Faculty of Humanities and Sciences, Energy, Water, and Environment Lab, Prince Sultan University, Riyadh 12435, Saudi Arabia
| | - Saima Farooq
- Department of Biological Sciences and Chemistry, College of Arts and Sciences, University of Nizwa, Nizwa 616, Oman
| | - Muhammad Sadiq
- Department of Chemistry, University of Malakand, Chakdara 18800, Pakistan
| | - Mohamed Bououdina
- Department of Mathematics and Sciences, Faculty of Humanities and Sciences, Energy, Water, and Environment Lab, Prince Sultan University, Riyadh 12435, Saudi Arabia
| | - Nasrullah Shah
- Department of Chemistry, Abdul Wali Khan University Mardan, Mardan 23200, Pakistan
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Mehmandost N, Goudarzi N, Arab Chamjangali M, Bagherian G. Application of chemometrics tools for removal of crystal violet and methylene blue in binary solution by eco-friendly magnetic adsorbent modified on Heracleum persicum waste. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 292:122415. [PMID: 36758320 DOI: 10.1016/j.saa.2023.122415] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Synthetic dyes can be hazardous to the ecosystem, even at low concentrations in the effluent. In this research, the Heracleum persicum stems-Fe3O4 (MHPS) adsorbent performance for the removal of crystal violet (CV) and methylene blue (MB) from binary aqueous solutions was investigated in a batch method under the influence of different parameters. In addition, predictive models for the adsorption process were developed using machine learning techniques such as artificial neural networks and random forests. ANN and RF models achieved high R2 values of 0.9501 and 0.9797 for CV, 0.9471, and 09,834 for MB, respectively, and obtained low MSE values of 0.07107 and 0.03405 for CV, 0.09933, and 0.02908 for MB. The proposed adsorbent is cheap and eco-friendly and, on the other hand, is easily collected by the magnetic field. The adsorbent was characterized by applying FESEM-EDX, FESEM, BET, and FTIR. Various isotherm and kinetics models for the simultaneous adsorption of CV and MB were investigated in aqueous solutions. The adsorption isotherm and kinetics studies explain that the extended Langmuir model and pseudo-second-order models are best suited for CV and MB in the binary solution. The exothermic adsorption was achieved in the temperature range of 5-45 °C.
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Affiliation(s)
- Nasrin Mehmandost
- Faculty of Chemistry, Shahrood University of Technology, P.O. Box 316, Shahrood, Iran
| | - Nasser Goudarzi
- Faculty of Chemistry, Shahrood University of Technology, P.O. Box 316, Shahrood, Iran.
| | | | - Ghadamali Bagherian
- Faculty of Chemistry, Shahrood University of Technology, P.O. Box 316, Shahrood, Iran
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da Rosa Salles T, Schnorr C, da Silva Bruckmann F, Cassol Vicensi E, Rossato Viana A, Passaglia Schuch A, de Jesus da Silva Garcia W, F. O. Silva L, Harres de Oliveira A, Roberto Mortari S, Rodrigo Bohn Rhoden C. Effective Diuretic Drug Uptake Employing Magnetic Carbon Nanotubes Derivatives: Adsorption study and In vitro Geno-Cytotoxic Assessment. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Sharma A, Rasheed S, Mangla D, Choudhry A, Shukla S, Chaudhry SA. Cobalt Ferrite Incorporated
Ocimum sanctum
Nanocomposite Matrix as an Interface for Adsorption of Organic Dyes: A Sustainable Alternative. ChemistrySelect 2023. [DOI: 10.1002/slct.202203709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Atul Sharma
- Environmental Chemistry Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India
| | - Shoaib Rasheed
- Environmental Chemistry Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India
| | - Divyanshi Mangla
- Bio/Polymer Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India
| | - Arshi Choudhry
- Environmental Chemistry Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India
| | - Sneha Shukla
- Environmental Chemistry Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India
| | - Saif Ali Chaudhry
- Environmental Chemistry Research Laboratory Department of Chemistry, Jamia Millia Islamia New Delhi 110025 India
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Li R, Chen J, Zhang H, Rehman F, Siddique J, Shahab A, Mo Z, Luo L. Facile synthesis of magnetic-activated nanocomposites for effective removal of cationic and anionic dyes in an aqueous environment: an Equilibrium Isotherm, kinetics and thermodynamic studies. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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12
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Jabar JM, Adebayo MA, Owokotomo IA, Odusote YA, Yılmaz M. Synthesis of high surface area mesoporous ZnCl2–activated cocoa (Theobroma cacao L) leaves biochar derived via pyrolysis for crystal violet dye removal. Heliyon 2022; 8:e10873. [PMID: 36217487 PMCID: PMC9547206 DOI: 10.1016/j.heliyon.2022.e10873] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 07/17/2022] [Accepted: 09/28/2022] [Indexed: 11/25/2022] Open
Abstract
Chemically activated cocoa leaves biochar (CLB) was successfully prepared from fallen cocoa leaves (CLs) via ZnCl2–activation and pyrolysis at 700 °C for sequestration of toxic crystal violet (CV) dye from aqueous solution. CLs and CLB were characterized using elemental analysis (CHN/O), Brunauer-Emmett-Teller method (BET), thermogravimetric analysis (TGA), Fourier transform infrared (FTIR), X-ray diffraction (XRD) spectroscopy and scanning electron microscopy (SEM). The optimum conditions for effective removal of CV dye from aqueous solution (75.67% for CLs and 99.87% for CLB) were pH 9, initial CV dye concentration 100 mg/L, adsorbent (CLs/CLB) dose 0.4 g/L, contact time 160 min and temperature 300 K. Modified Ritchie second order best described kinetic and Liu model described equilibrium adsorption. CLs and CLB with maximum adsorption capacities 190.70 and 253.3 mg/g respectively, compete favorably with adsorbents used for removal of CV dye from wastewater in the literature. The high BET surface area (957.02 m2/g) and mean pore diameter (7.21 nm) were indicators of better adsorption efficiency of CLB. CLs showed adsorption to proceed towards endothermic process, while it was exothermic process for CLB. This study established the suitability of cocoa leaves as sustainable and environmental friendly precursor for preparation of adsorbent for the treatment of dye-containing wastewater.
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Fabrication and Characterization of Effective Biochar Biosorbent Derived from Agricultural Waste to Remove Cationic Dyes from Wastewater. Polymers (Basel) 2022; 14:polym14132587. [PMID: 35808634 PMCID: PMC9269505 DOI: 10.3390/polym14132587] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/16/2022] [Accepted: 06/20/2022] [Indexed: 01/27/2023] Open
Abstract
The main aim of this work is to treat sugarcane bagasse agricultural waste and prepare an efficient, promising, and eco-friendly adsorbent material. Biochar is an example of such a material, and it is an extremely versatile and eco-friendly biosorbent to treat wastewater. Crystal violet (CV)-dye and methylene blue (MB)-dye species are examples of serious organic pollutants. Herein, biochar was prepared firstly from sugarcane bagasse (SCB), and then a biochar biosorbent was synthesized through pyrolysis and surface activation with NaOH. SEM, TEM, FTIR, Raman, surface area, XRD, and EDX were used to characterize the investigated materials. The reuse of such waste materials is considered eco-friendly in nature. After that, the adsorption of MB and CV-species from synthetically prepared wastewater using treated biochar was investigated under various conditions. To demonstrate the study’s effectiveness, it was attempted to achieve optimum effectiveness at an optimum level by working with time, adsorbent dose, dye concentration, NaCl, pH, and temperature. The number of adsorbed dyes reduced as the dye concentrations increased and marginally decreased with NaCl but increased with the adsorbent dosage, pH, and temperature of the solution increased. Furthermore, it climbed for around 15 min before reaching equilibrium, indicating that all pores were almost full. Under the optimum condition, the removal perecentages of both MB and CV-dyes were ≥98%. The obtained equilibrium data was represented by Langmuir and Freundlich isotherm models. Additionally, the thermodynamic parameters were examined at various temperatures. The results illustrated that the Langmuir isotherm was utilized to explain the experimental adsorption processes with maximum adsorption capacities of MB and CV-dyes were 114.42 and 99.50 mgg−1, respectively. The kinetic data were estimated by pseudo-first and pseudo-second-order equations. The best correlation coefficients of the investigated adsorption processes were described by the pseudo-second-order kinetic model. Finally, the data obtained were compared with some works published during the last four years.
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Ding Y, Chen Z, Wu J, Abd-Elhamid AI, Aly HF, Nayl AA, Bräse S. Graphene Oxide@Heavy Metal Ions (GO@M) Complex Simulated Waste as an Efficient Adsorbent for Removal of Cationic Methylene Blue Dye from Contaminated Water. MATERIALS 2022; 15:ma15103657. [PMID: 35629685 PMCID: PMC9147086 DOI: 10.3390/ma15103657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 05/15/2022] [Accepted: 05/18/2022] [Indexed: 12/04/2022]
Abstract
Graphene oxide (GO) was heavily used in the adsorption process of various heavy metal ions (such as copper (Cu) and iron (Fe) ions), resulting in a huge waste quantity of graphene oxide@metal ions complex. In this research, the authors try to solve this issue. Herein, the GO surface was loaded with divalent (Cu2+) and trivalent (Fe3+) heavy metal ions as a simulated waste of the heavy metal in various removal processes to form GO@Cu and (GO@Fe) composites, respectively. After that, the previous nanocomposites were used to remove cationic methylene blue (MB) dye. The prepared composites were characterized with a scanning electron microscope (SEM), transition electron microscope (TEM), Fourier transmission infrared (FTIR), Raman, and energy-dispersive X-ray (EDS) before and after the adsorption process. Various adsorption factors of the two composites towards MB-dye were investigated. Based on the adsorption isotherm information, the adsorption process of MB-dye is highly fitted with the Langmuir model with maximum capacities (mg g−1) (384.62, GO@Cu) and (217.39, GO@Fe). According to the thermodynamic analysis, the adsorption reaction of MB-species over the GO@Cu is exothermic and, in the case of GO@Fe, is endothermic. Moreover, the two composites presented excellent selectivity of adsorption of the MB-dye from the MB/MO mixture
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Affiliation(s)
- Yangfan Ding
- Key Laboratory of Science and Technology, Eco-Textile & Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Bio-Technology, Donghua University, Shanghai 201620, China; (Y.D.); (Z.C.); (J.W.)
| | - Zhe Chen
- Key Laboratory of Science and Technology, Eco-Textile & Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Bio-Technology, Donghua University, Shanghai 201620, China; (Y.D.); (Z.C.); (J.W.)
| | - Jinglei Wu
- Key Laboratory of Science and Technology, Eco-Textile & Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Bio-Technology, Donghua University, Shanghai 201620, China; (Y.D.); (Z.C.); (J.W.)
| | - Ahmed I. Abd-Elhamid
- Composites and Nanostructured Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab 21934, Egypt;
| | - Hisham F. Aly
- Hot Laboratories Center, Egyptian Atomic Energy Authority, Cairo 13759, Egypt;
| | - AbdElAziz A. Nayl
- Department of Chemistry, College of Science, Jouf University, Sakaka 72341, Al Jouf, Saudi Arabia
- Correspondence: or (A.A.N.); (S.B.)
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76133 Karlsruhe, Germany
- Institute of Biological and Chemical Systems-Functional Molecular Systems (IBCS-FMS), Director Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Correspondence: or (A.A.N.); (S.B.)
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Yusuff AS, Popoola LT, Igbafe AI. Response surface modeling and optimization of hexavalent chromium adsorption onto eucalyptus tree bark-derived pristine and chemically-modified biochar. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.04.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Amin MT, Alazba AA, Shafiq M. Ethylenediaminetetraacetate functionalized MgFe layered double hydroxide/biochar composites for highly efficient adsorptive removal of lead ions from aqueous solutions. PLoS One 2022; 17:e0265024. [PMID: 35239747 PMCID: PMC8893710 DOI: 10.1371/journal.pone.0265024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 02/20/2022] [Indexed: 11/18/2022] Open
Abstract
The application of layered double hydroxides (LDHs) of MgFe and its composites with biochar of Eucalyptus camdulensis (Eb) and ethylenediaminetetraacetic acid (EDTA) was explored in a batch study to mitigate toxic lead ions (Pb2+) from synthetic wastewater solutions. SEM images revealed that MgFe/LDH composites with Eb were successfully formed, while FTIR spectra confirmed the successful adsorption of Pb2+ onto the MgFe/LDH and composite adsorbents. Batch equilibrium was attained after 60 min, then the adsorption capacity gradually increased. An increase in adsorption capacity (and a 60% decrease in the percentage removal) was observed by increasing the initial Pb2+ concentration, and the highest value was 136 mg g-1 for MgFe/LDH-Eb_EDTA. A 50–60% increase in both the adsorption capacities and percent removal was seen in the pH range of 2–6. The second-order kinetic model had a nearly perfect fitting, suggesting that chemisorption was the mechanism controlling adsorption. The Langmuir isotherm model best presented the adsorption data, suggesting that the Pb2+ adsorption was monolayer, and predicted a better affinity between the adsorbent surface and absorbed Pb2+ for MgFe/LDH-Eb_EDTA in comparison to the other two adsorbents. The D–R isotherm suggested that the adsorption system was physical based on E values for all three adsorbents, while the Temkin isotherm model suggested that Pb2+ adsorption was heterogeneous. Finally, the Sips and R–P isotherms predicted that the adsorption of Pb2+ on the surface of the adsorbents was homogeneous and heterogeneous.
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Affiliation(s)
- M. T. Amin
- Alamoudi Water Research Chair, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad, Pakistan
- * E-mail:
| | - A. A. Alazba
- Alamoudi Water Research Chair, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Agricultural Engineering Department, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - M. Shafiq
- Alamoudi Water Research Chair, King Saud University, Riyadh, Kingdom of Saudi Arabia
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Santucci V, Fiore S. Recovery of Waste Polyurethane from E-Waste. Part II. Investigation of the Adsorption Potential for Wastewater Treatment. MATERIALS 2021; 14:ma14247587. [PMID: 34947183 PMCID: PMC8704397 DOI: 10.3390/ma14247587] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 11/25/2021] [Accepted: 12/06/2021] [Indexed: 12/04/2022]
Abstract
This study explored the performances of waste polyurethane foam (PUF) derived from the shredding of end-of-life refrigerators as an adsorbent for wastewater treatment. The waste PUF underwent a basic pre-treatment (e.g., sieving and washing) prior the adsorption tests. Three target pollutants were considered: methylene blue, phenol, and mercury. Adsorption batch tests were performed putting in contact waste PUF with aqueous solutions of the three pollutants at a solid/liquid ratio equal to 25 g/L. A commercial activated carbon (AC) was considered for comparison. The contact time necessary to reach the adsorption equilibrium was in the range of 60–140 min for waste PUF, while AC needed about 30 min. The results of the adsorption tests showed a better fit of the Freundlich isotherm model (R2 = 0.93 for all pollutants) compared to the Langmuir model. The adsorption capacity of waste PUF was limited for methylene blue and mercury (Kf = 0.02), and much lower for phenol (Kf = 0.001). The removal efficiency achieved by waste PUF was lower (phenol 12% and methylene blue and mercury 37–38%) compared to AC (64–99%). The preliminary results obtained in this study can support the application of additional pre-treatments aimed to overcome the adsorption limits of the waste PUF, and it could be applied for “rough-cut” wastewater treatment.
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Seto C, Chang BP, Tzoganakis C, Mekonnen TH. Lignin derived nano-biocarbon and its deposition on polyurethane foam for wastewater dye adsorption. Int J Biol Macromol 2021; 185:629-643. [PMID: 34216664 DOI: 10.1016/j.ijbiomac.2021.06.185] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/24/2021] [Accepted: 06/27/2021] [Indexed: 10/21/2022]
Abstract
Historically, lignin has been produced as a waste by-product in industrial processes. In this study, lignosulfonate nanoparticles were fabricated and freeze-dried for use as a precursor material for carbonization. The use of the carbonized lignins for the adsorption of textile effluent as a value-added application is demonstrated. Characterization of the as received lignin (LN) and the developed nano-based freeze-dried lignin (NFLN) were performed prior to and after carbonization at 600, 750, 900 and 1050 °C. Using probe sonication, lignosulfonates were broken down into nanoparticles with lower weight-average molecular weight as verified by dynamic and static light scattering techniques. The difference between the LN and the NFLN was determined to be primarily morphological as the sonication and freeze-drying process imparted a platelet-like shape to the NFLN biocarbons and an increased surface area, while the remaining functionality was similar. The adsorption behaviour of methylene blue (MB), a synthetic cationic dye, was investigated using adsorption isotherm and kinetic models, with the NFLN exhibiting a maximum adsorption capacity of 109.77 mg/g. Overall, electrostatic attraction and hydrogen bonding contribute significantly to the MB adsorption. Further preliminary work was also performed demonstrating the coating of polyurethane foam for the adsorption of MB. These renewable biocarbons show promising properties for use as additive in adsorbent, coating, pigment or as a filler in polymer composite applications.
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Affiliation(s)
- Curtis Seto
- Department of Chemical Engineering, Institute of Polymer Research, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Boon Peng Chang
- Department of Chemical Engineering, Institute of Polymer Research, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Costas Tzoganakis
- Department of Chemical Engineering, Institute of Polymer Research, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada
| | - Tizazu H Mekonnen
- Department of Chemical Engineering, Institute of Polymer Research, University of Waterloo, Waterloo N2L 3G1, Ontario, Canada.
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Adsorption of Crystal Violet Dye Using Activated Carbon of Lemon Wood and Activated Carbon/Fe 3O 4 Magnetic Nanocomposite from Aqueous Solutions: A Kinetic, Equilibrium and Thermodynamic Study. Molecules 2021; 26:molecules26082241. [PMID: 33924445 PMCID: PMC8068907 DOI: 10.3390/molecules26082241] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/01/2021] [Accepted: 04/11/2021] [Indexed: 01/01/2023] Open
Abstract
Activated carbon prepared from lemon (Citrus limon) wood (ACL) and ACL/Fe3O4 magnetic nanocomposite were effectively used to remove the cationic dye of crystal violet (CV) from aqueous solutions. The results showed that Fe3O4 nanoparticles were successfully placed in the structure of ACL and the produced nanocomposites showed superior magnetic properties. It was found that pH was the most effective parameter in the CV dye adsorption and pH of 9 gave the maximum adsorption efficiency of 93.5% and 98.3% for ACL and ACL/Fe3O4, respectively. The Dubinin–Radushkevich (D-R) and Langmuir models were selected to investigate the CV dye adsorption equilibrium behavior for ACL and ACL/Fe3O4, respectively. A maximum adsorption capacity of 23.6 and 35.3 mg/g was obtained for ACL and ACL/Fe3O4, respectively indicating superior adsorption capacity of Fe3O4 nanoparticles. The kinetic data of the adsorption process followed the pseudo-second order (PSO) kinetic model, indicating that chemical mechanisms may have an effect on the CV dye adsorption. The negative values obtained for Gibb’s free energy parameter (−20 < ΔG < 0 kJ/mol) showed that the adsorption process using both types of the adsorbents was physical. Moreover, the CV dye adsorption enthalpy (ΔH) values of −45.4 for ACL and −56.9 kJ/mol for ACL/Fe3O4 were obtained indicating that the adsorption process was exothermic. Overall, ACL and ACL/Fe3O4 magnetic nanocomposites provide a novel and effective type of adsorbents to remove CV dye from the aqueous solutions.
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