Adsorption of Crystal Violet with Magnetic Graphene Oxide Nano Adsorbent Synthesized from Schima wallichii Wood

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-02-01 DOI:10.22146/ijc.80894

D. Rahman, M. Syafila, Qomarudin Helmy

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引用次数: 0

Abstract

The textile industry continues to experience production developments to reach a target for the country's economic development. The increase in production leads to an increase in the amount of waste generated. Dyes such as crystal violet (CV) in textile wastewater are toxic and difficult to remove by conventional treatment. Adsorption with nano adsorbent has been widely researched and developed to remove dyes in the environment because it has various advantages. Magnetic graphene oxide (GO-Fe3O4) as a006E adsorbent has been widely studied because it has a large surface area, strong chemical bonds and is easily separated from the aqueous phase. Puspa (Schima wallichii) wood has the potential to be used as a natural source of graphite. The characterization of the adsorbent was tested with FTIR, SEM-EDS, and BET. The equilibrium time for the adsorption process was 20 min, while the optimum adsorbent dose was 0.04 g. Adsorption isotherm and kinetics analysis showed that CV adsorption using MGO followed Langmuir and pseudo-second-order models, respectively. Thermodynamic studies displayed that the CV adsorption was endothermic and spontaneous. The results of this study suggested that the adsorption of CV using GO-Fe3O4 nano adsorbent from S. wallichii wood proceeds by chemisorption and physisorption.

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用 Schima wallichii 木材合成的磁性氧化石墨烯纳米吸附剂吸附水晶紫

为实现国家经济发展目标，纺织业的生产不断发展。产量的增加导致产生的废物量也随之增加。纺织废水中的染料，如结晶紫（CV），具有毒性，传统处理方法难以去除。利用纳米吸附剂进行吸附来去除环境中的染料具有多种优势，已被广泛研究和开发。磁性氧化石墨烯（GO-Fe3O4）作为一种 006E 吸附剂已被广泛研究，因为它具有较大的比表面积、较强的化学键和易于从水相分离。Puspa（Schima wallichii）木材有可能被用作石墨的天然来源。傅立叶变换红外光谱、扫描电镜-电子显微镜和 BET 测试了吸附剂的特性。吸附等温线和动力学分析表明，MGO 对 CV 的吸附分别遵循 Langmuir 模型和伪秒阶模型。热力学研究表明，CV 吸附是内热和自发的。研究结果表明，使用 GO-Fe3O4 纳米吸附剂从 S. wallichii 木材中吸附 CV 是通过化学吸附和物理吸附进行的。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.