利用竹衍生生物炭去除水溶液中的亚甲蓝

IF 2.8 4区 工程技术 Q2 CHEMISTRY, APPLIED
N. Suhaimi, M. R. R. Kooh, C. Lim, Chung-Ting Chou Chao, Y. Chou Chau, A. H. Mahadi, H. Chiang, Nurul Hazimah Haji Hassan, Roshan Thotagamuge
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引用次数: 38

摘要

在本研究中,当地种植的竹子(Gigantochloa spp.)被用作在不同热解温度(400–800°C)下热解生产生物炭的原料。测试了所得生物炭对亚甲基蓝(MB)染料的吸附去除性能。吸附实验的范围包括吸附剂用量、溶液pH、初始吸附质浓度和接触时间的影响。吸附数据证实,热解温度对吸附性能有显著影响,而在500°C下热解的生物炭(BC500)具有最高的吸附性能,最大吸附容量(源自Langmuir模型)为86.6 毫克 对BC500进行了基本表征(SEM、EDX、XRD、FTIR和BET),其中FTIR和SEM证实了MB在生物炭上的吸附,而BET数据显示吸附过程后BET表面积、总孔体积和孔径减小。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The Use of Gigantochloa Bamboo-Derived Biochar for the Removal of Methylene Blue from Aqueous Solution
In this study, locally grown bamboo (Gigantochloa spp.) was used as feedstock for pyrolysis production of biochar under various pyrolysis temperatures (400–800°C). The resultant biochars were tested for their performance in adsorptive removal of the methylene blue (MB) dye. The scope of the adsorption experiment includes the effects of adsorbent dosage, solution pH, initial adsorbate concentration, and contact time. The adsorption data confirmed that pyrolysis temperature has a significant effect on adsorptive performance, whereas biochar pyrolysed at 500°C (BC500) has the highest adsorptive performance with the maximum adsorption capacity (derived from the Langmuir model) being 86.6 mg g-1. Basic characterisations (SEM, EDX, XRD, FTIR, and BET) were carried out for BC500 where FTIR and SEM confirmed the adsorption of MB onto the biochar, while the BET data showed the reduction of the BET surface area, total pore volume, and pore diameter after the adsorption process.
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来源期刊
Adsorption Science & Technology
Adsorption Science & Technology 工程技术-工程:化工
CiteScore
5.00
自引率
10.30%
发文量
181
审稿时长
4.5 months
期刊介绍: Adsorption Science & Technology is a peer-reviewed, open access journal devoted to studies of adsorption and desorption phenomena, which publishes original research papers and critical review articles, with occasional special issues relating to particular topics and symposia.
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