Optimization of methyl orange bio-decolorization by UiO-66 and brown rot fungus Daedalea dickinsii composite using response surface methodology

Q1 Social Sciences

South African Journal of Chemical Engineering Pub Date : 2025-03-16 DOI:10.1016/j.sajce.2025.03.004

Adi Setyo Purnomo , Taufiq Rinda Alkas , Asranudin , Alya Awinatul Rohmah , Sevila Cello Kalvari , Nova Ainur Rohmah , Ratna Ediati , Yuji Tsutsumi

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引用次数: 0

Abstract

Azo dyes, particularly methyl orange (MO), pose environmental challenges due to their stability, toxicity, and carcinogenicity. This study explored the potential of a novel composite material for MO removal. The composite comprised UiO-66 (a metal-organic framework), Daedalea dickinsii (DD) fungus biomass, and a polyvinyl alcohol-sodium alginate (PVA-SA) matrix. DD and UiO-66 were homogeneously distributed within the PVA-SA matrix to form beads. These beads achieved a promising MO decolorization efficiency of 68.95 % after 7 days, outperforming PVA-SA (43.30 %) and UiO-66@PVA-SA (54.49 %) alone. Kinetic studies revealed that the decolorization process followed a pseudo-second-order model with a high correlation coefficient (R² = 0.999). Further optimization using response surface methodology (RSM) identified the most effective conditions for MO biodecolorization: 50 mgL^-1 MO concentration, 20 °C incubation temperature, and 5.75 days incubation time. Experimental verification under these optimized conditions yielded a decolorization efficiency of 76.71 %, closely matching the RSM prediction (77.40 %). These findings suggest significant potential for this composite material in textile wastewater treatment for MO removal.

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来源期刊

South African Journal of Chemical Engineering Social Sciences-Education

CiteScore

8.40

自引率

0.00%

发文量

100

审稿时长

33 weeks

期刊介绍： The journal has a particular interest in publishing papers on the unique issues facing chemical engineering taking place in countries that are rich in resources but face specific technical and societal challenges, which require detailed knowledge of local conditions to address. Core topic areas are: Environmental process engineering • treatment and handling of waste and pollutants • the abatement of pollution, environmental process control • cleaner technologies • waste minimization • environmental chemical engineering • water treatment Reaction Engineering • modelling and simulation of reactors • transport phenomena within reacting systems • fluidization technology • reactor design Separation technologies • classic separations • novel separations Process and materials synthesis • novel synthesis of materials or processes, including but not limited to nanotechnology, ceramics, etc. Metallurgical process engineering and coal technology • novel developments related to the minerals beneficiation industry • coal technology Chemical engineering education • guides to good practice • novel approaches to learning • education beyond university.