Fabrication of Schiff’s Base Chitosan-Glutaraldehyde/Activated Charcoal Composite for Cationic Dye Removal: Optimization Using Response Surface Methodology

Process Optimization and Adsorptive Mechanism for Reactive Blue 19 Dye by Magnetic Crosslinked Chitosan/MgO/Fe3O4 Biocomposite

“…According to BDD model, the relationship between the response variable and independent variables was elucidated using the second-order nonlinear polynomial numerical expression of quadratic order as mentioned in eq. (1).…”

“…The industrial sectors of papermaking, textile, plastic, cosmetics, and printing industries are the major consumers of the synthetic dyes manufactured globally and acts as the foremost contributors of effluents contaminated with dyes [1]. Annually, many dyes undergoing industrial activities are discharged directly into water bodies without treatment can cause a complicated problems in the environment [2].…”

High-Surface-Area-Activated Carbon Derived from Mango Peels and Seeds Wastes via Microwave-Induced ZnCl2 Activation for Adsorption of Methylene Blue Dye Molecules: Statistical Optimization and Mechanism

“…Therefore, before delivering the dye-containing effluent into the environment, it must be treated. For wastewater treatment containing organic dyes, a number of approaches have been developed and effectively used, including photocatalytic degradation [ 23 ], ion exchange [ 24 ], Fenton-like oxidation [ 25 ], adsorption [ 26 ], and membrane filtering [ 27 ]. Due to its excellent performance, cost-effectiveness, capacity to recover and repurpose adsorbents, diverse applicability, and simplicity of usage, adsorption has been recognized as a significant way to remove those pollutants [ 26 ].…”

“…For wastewater treatment containing organic dyes, a number of approaches have been developed and effectively used, including photocatalytic degradation [ 23 ], ion exchange [ 24 ], Fenton-like oxidation [ 25 ], adsorption [ 26 ], and membrane filtering [ 27 ]. Due to its excellent performance, cost-effectiveness, capacity to recover and repurpose adsorbents, diverse applicability, and simplicity of usage, adsorption has been recognized as a significant way to remove those pollutants [ 26 ]. Response surface methodology (RSM) combined with Box-Behnken design (BBD) was introduced to reduce the laborious adsorption testing approach and improve an operator’s ability to understand potential interactions between various factors [ 28 ].…”

Adsorption performance of Food Red 17 dye using an eco-friendly material based on Luffa cylindrica and chitosan

“…In this condition, chitosan has low chemical and mechanical properties, easily dissolving in acidic pHs and difficult solid/liquid separation after adsorption [13][14][15]. Thus, new methods are constantly being studied to carry out physicochemical modifications to increase the chemical stability of chitosan, increase its surface area and its adsorptive efficiency, such as fly ash modified magnetic chitosan-polyvinyl alcohol blend [15], magnetic chitosan-benzyl/ZnO/Fe 3 O 4 nanocomposite [16], chitosan-glutaraldehyde/activated charcoal composite [17] and polyurethane/chitosan composite foam [18]. A new alternative found in this study was to use Luffa cylindrica as a natural matrix for the immobilization of chitosan.…”