微晶纤维素/氧化石墨烯气凝胶用于水溶液中阳离子染料的吸附

IF 1.7 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY Materials Science and Technology Pub Date : 2023-06-01 DOI:10.1080/02670836.2023.2216551

M. Hasanpour

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引用次数: 1

摘要

今天，工业活动的日益增长造成了大量污染物进入水资源。由于这些污染物的毒性，必须将它们从水源中清除。合成了一种基于微晶纤维素/氧化石墨烯(MCC/GO)气凝胶的吸附剂，并研究了其去除水溶液中亚甲基蓝(MB)染料的效率。微晶纤维素/氧化石墨烯(MCC/GO-x)气凝胶中氧化石墨烯的浓度、pH溶液、吸附剂用量、MB初始浓度和接触时间等因素对吸附量的影响均为最佳。结果表明，吸附量最大可达645 mg g−1。间歇吸附实验证实，拟二阶等温线和Langmuir等温线是描述吸附剂吸附的最佳模型。

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Microcrystalline cellulose/graphene oxide aerogel for adsorption of cationic dye from aqueous solution

Today, the increasing growth of industrial activities has caused the entry of large amounts of pollutants into water resources. Owing to the toxicity of these pollutants, their removal from water sources is essential. An adsorbent based on microcrystalline cellulose/graphene oxide (MCC/GO) aerogel was synthesised and its efficiency was investigated to remove methylene blue (MB) dye from aqueous solutions. Various factors such as concentration of GO in microcrystalline cellulose/graphene oxide (MCC/GO-x) aerogel, pH solution, adsorbent dosage, initial concentration of MB and contacting time were optimised on the adsorption capacity. The outcomes displayed that the maximum adsorption capacity could get to 645 mg g−1. The batch adsorption tests confirmed the pseudo-second-order and Langmuir isotherms as the best-fitted models to describe the adsorption of the adsorbent.

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来源期刊

Materials Science and Technology 工程技术-材料科学：综合

CiteScore

2.70

自引率

5.60%

发文量

审稿时长

3 months

期刊介绍：《Materials Science and Technology》（MST） is an international forum for the publication of refereed contributions covering fundamental and technological aspects of materials science and engineering.