Synthesis and Characterization of Efficient Adsorbents for Methylene Blue Based on Graphene Oxide/β-cyclodextrin Composites

IF 3.8 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

Water, Air, & Soil Pollution Pub Date : 2024-12-19 DOI:10.1007/s11270-024-07630-3

Yanping Qu, Hongcui Li, Ibrahim Yakub, Wen He, Wenchan Dong, Mohamad Hardyman Barawi, Sirui Wang, Huimin Ma, Zhenpeng Zhu

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Abstract

In this paper, a novel graphene oxide/β-cyclodextrin composite (GO/β-CD) adsorbent was synthesized for the effective simultaneous removal of dyes. GO and GO/β-CD were characterized using BET, SEM, FT-IR, Raman, and XRD techniques. GO/β-CD has a BET specific surface area of 0.25 m²/g. The surface of GO/β-CD contains a significant number of reactive groups, such as carboxyl groups, which enable the effective adsorption of methylene blue (MB). The adsorption of GO/β-CD on methylene blue (MB) in aqueous solution was also investigated kinetically and thermodynamically. The kinetic and thermodynamic parameters of the reaction were calculated. Based on the experimental results, the adsorption reaction was determined to be a spontaneous endothermic reaction. The adsorption of MB on GO/β-CD best fit the Langmuir model based on the results of the adsorption isotherm model fitting. The maximum adsorption capacity of the composite was 434.78 mg/g. The GO/β-CD adsorbent was highly efficient at adsorbing cationic dyes, and its performance remained consistently high after six cycles. Thus, GO/β-CD offers the advantages of nontoxicity, excellent adsorption and regeneration properties, and great potential for treating real and simulated wastewater from various industries.

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来源期刊

Water, Air, & Soil Pollution 环境科学-环境科学

CiteScore

4.50

自引率

6.90%

发文量

448

审稿时长

2.6 months

期刊介绍： Water, Air, & Soil Pollution is an international, interdisciplinary journal on all aspects of pollution and solutions to pollution in the biosphere. This includes chemical, physical and biological processes affecting flora, fauna, water, air and soil in relation to environmental pollution. Because of its scope, the subject areas are diverse and include all aspects of pollution sources, transport, deposition, accumulation, acid precipitation, atmospheric pollution, metals, aquatic pollution including marine pollution and ground water, waste water, pesticides, soil pollution, sewage, sediment pollution, forestry pollution, effects of pollutants on humans, vegetation, fish, aquatic species, micro-organisms, and animals, environmental and molecular toxicology applied to pollution research, biosensors, global and climate change, ecological implications of pollution and pollution models. Water, Air, & Soil Pollution also publishes manuscripts on novel methods used in the study of environmental pollutants, environmental toxicology, environmental biology, novel environmental engineering related to pollution, biodiversity as influenced by pollution, novel environmental biotechnology as applied to pollution (e.g. bioremediation), environmental modelling and biorestoration of polluted environments. Articles should not be submitted that are of local interest only and do not advance international knowledge in environmental pollution and solutions to pollution. Articles that simply replicate known knowledge or techniques while researching a local pollution problem will normally be rejected without review. Submitted articles must have up-to-date references, employ the correct experimental replication and statistical analysis, where needed and contain a significant contribution to new knowledge. The publishing and editorial team sincerely appreciate your cooperation. Water, Air, & Soil Pollution publishes research papers; review articles; mini-reviews; and book reviews.