Sustainable toxic dyes removal with advanced materials for clean water production: A comprehensive review

Journal of Cleaner Production, Journal Year: 2021, Volume and Issue: 332, P. 130039 - 130039

Published: Dec. 11, 2021

Language: Английский

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A review on selective dye adsorption by different mechanisms

Journal of environmental chemical engineering, Journal Year: 2022, Volume and Issue: 10(6), P. 108639 - 108639

Published: Sept. 27, 2022

Language: Английский

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Cellulose-Based Hydrogels for Wastewater Treatment: A Concise Review

Gels, Journal Year: 2021, Volume and Issue: 7(1), P. 30 - 30

Published: March 18, 2021

Finding affordable and environment-friendly options to decontaminate wastewater generated with heavy metals dyes prevent the depletion of accessible freshwater resources is one indispensable challenges 21st century. Adsorption yet be most effective low-cost treatment method used for removal pollutants from wastewater, while naturally derived adsorbent materials have garnered tremendous attention. One promising example such adsorbents hydrogels (HGs), which constitute a three-dimensional polymeric network hydrophilic groups that highly capable adsorbing large quantity metal ions wastewater. Although HGs can also prepared synthetic polymers, natural polymers improved environmental benignity. Recently, cellulose-based (CBHs) been extensively studied owing their high abundance, biodegradability, non-toxicity, excellent adsorption capacity. This review emphasizes different CBH in context following diverse synthesis techniques mechanisms. study summarizes various process parameters necessary optimize capacity followed by future research directions.

Language: Английский

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Adsorptive removal of organic pollutant methylene blue using polysaccharide-based composite hydrogels

Chemosphere, Journal Year: 2021, Volume and Issue: 286, P. 131890 - 131890

Published: Aug. 16, 2021

Language: Английский

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A magnetically recyclable polyampholyte hydrogel adsorbent functionalized with β-cyclodextrin and graphene oxide for cationic/anionic dyes and heavy metal ion wastewater remediation

Separation and Purification Technology, Journal Year: 2021, Volume and Issue: 277, P. 119469 - 119469

Published: Aug. 14, 2021

Language: Английский

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Efficient Photocatalytic Degradation of Methylene Blue Dye from Aqueous Solution with Cerium Oxide Nanoparticles and Graphene Oxide-Doped Polyacrylamide

ACS Omega, Journal Year: 2023, Volume and Issue: 8(14), P. 13004 - 13015

Published: March 29, 2023

A cerium oxide nanoparticles (CeO2-NPs)/graphene (GO)/polyacrylamide (PAM) ternary composite was synthesized through free-radical polymerization of acrylamide in the presence CeO2 and GO an aqueous system. The material characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), energy-dispersive (EDX) spectroscopy techniques applied for photocatalytic degradation methylene blue (MB) dye from solution. Tauc's model direct transition used to optical band gap. key operating parameters such as amounts CeO2-NPs GO, pH, initial MB concentration, type light irradiation, contact time have been optimized achieve highest percentage. photocatalysis process pH-dependent, optimum pH value found be 12.0. Under UV-A light, 90% occurred 90 min. also specified terms total organic carbon (TOC) chemical oxygen demand (COD). Free-radical capture experiments were performed determine role radical species during oxidation process. showed that equilibrium data is good agreement with Langmuir-Hinshelwood kinetic model. rate constant 0.0259 min-1 obtained. hydrogel tested assess its reusability, which important factor practical wastewater treatment. activity only decreased 75% after nine uses.

Language: Английский

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Adsorption ability evaluation of the poly(methacrylic acid-co-acrylamide)/cloisite 30B nanocomposite hydrogel as a new adsorbent for cationic dye removal

Environmental Research, Journal Year: 2022, Volume and Issue: 212, P. 113349 - 113349

Published: April 29, 2022

Language: Английский

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Recent developments of polysaccharide based superabsorbent nanocomposite for organic dye contamination removal from wastewater — A review

Environmental Research, Journal Year: 2022, Volume and Issue: 217, P. 114909 - 114909

Published: Nov. 28, 2022

Language: Английский

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Graphene oxide-chitosan composite aerogel for adsorption of methyl orange and methylene blue: Effect of pH in single and binary systems

Colloids and Surfaces A Physicochemical and Engineering Aspects, Journal Year: 2022, Volume and Issue: 641, P. 128595 - 128595

Published: Feb. 17, 2022

Language: Английский

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Adsorption mechanisms of hydrogels for heavy metal and organic dyes removal: A short review

Journal of Agriculture and Food Research, Journal Year: 2023, Volume and Issue: 12, P. 100552 - 100552

Published: March 7, 2023

Heavy metal and organic dyes produced in modern industrialization development have polluted the natural resources human live by due to their adverse effects on all biological organisms. Developing effective, economical friendly strategies tackle environmental pollution has been a hotspot recent years, among which adsorption of chemical pollutants from water considered utmost importance. Hydrogel-based adsorbents with three-dimensional porous structures versatile functional groups become first choice, whose involves several mechanisms. In this perspective article, electrostatic interactions, hydrogen bonding, π-π ion exchange, surface complexation coordination/chelation were introduced detail provide an overview for better understanding action mechanisms various hydrogels. Combining two or more is advantageous gain great capacity, could be achieved via physical modification This short review aims theoretical guidance design prepare hydrogels applications treatment.

Language: Английский

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