Comparison between produced Tingui biochar versus commercial Norit in the adsorption of acetaminophen and diclofenac: characterization, batch, and fixed bed system

IF 2.4 4区生物学 Q3 BIOTECHNOLOGY & APPLIED MICROBIOLOGY Journal of chemical technology and biotechnology Pub Date : 2024-12-07 DOI:10.1002/jctb.7794

Débora Federici dos Santos, Wardleison Martins Moreira, Thiago Peixoto de Araújo, Maria Manuel Serrano Bernardo, Isabel Maria de Figueiredo Ligeiro da Fonseca, Indianara Conceição Ostroski, Maria Angélica Simões Dornellas de Barros, Eduardo Falabella Sousa-Aguiar

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Abstract

BACKGROUND

In pressing environmental challenges, practical solutions to remove organic contaminants from water are paramount. This study undertook a crucial task of comparing two adsorbents: BT-KOH, synthesized from Tingui bark activated with potassium hydroxide, and Norit commercial carbon. The comparison was based on experimental data from adsorption kinetics and isotherm tests in batch and fixed bed systems, targeting the removal of acetaminophen and diclofenac. Physico-chemical characterization analyses of the materials were also conducted to enhance the comparison.

RESULTS

The study's key finding was the superior performance of BT-KOH over Norit in removing acetaminophen and diclofenac. The maximum adsorption capacities for acetaminophen were 357.7 mg g⁻¹ for BT-KOH and 226.3 mg g⁻¹ for Norit. For diclofenac, these values were 250.6 mg g⁻¹ for BT-KOH and 220.9 mg g⁻¹ for Norit. This superiority was attributed to BT-KOH's larger specific surface area and higher quantities of oxygen-containing functional groups.

CONCLUSION

The result underscores the importance of considering the physical–chemical composition of materials in the quest for more effective and sustainable water treatment methods. © 2024 Society of Chemical Industry (SCI).

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产廷桂生物炭与商品化Norit吸附对乙酰氨基酚和双氯芬酸的比较：表征、批次和固定床系统

在紧迫的环境挑战中，从水中去除有机污染物的实际解决方案是至关重要的。本研究的关键任务是比较两种吸附剂：以氢氧化钾活化的天桂树皮合成的BT-KOH和Norit商业碳。以对乙酰氨基酚和双氯芬酸的吸附动力学和等温线实验数据为基础，进行了间歇和固定床系统的比较。为了便于比较，还对材料进行了理化性质分析。结果BT-KOH去除对乙酰氨基酚和双氯芬酸的效果优于Norit。BT-KOH对对乙酰氨基酚的最大吸附量为357.7 mg g−1，Norit的最大吸附量为226.3 mg g−1。对于双氯芬酸，BT-KOH和Norit的这些值分别为250.6 mg g - 1和220.9 mg g - 1。这种优势是由于BT-KOH具有较大的比表面积和较多的含氧官能团。结论该结果强调了在寻求更有效和可持续的水处理方法时考虑材料的物理化学成分的重要性。©2024化学工业学会（SCI）。

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来源期刊

Journal of chemical technology and biotechnology 工程技术-工程：化工

CiteScore

7.00

自引率

5.90%

发文量

268

审稿时长

1.7 months

期刊介绍： Journal of Chemical Technology and Biotechnology(JCTB) is an international, inter-disciplinary peer-reviewed journal concerned with the application of scientific discoveries and advancements in chemical and biological technology that aim towards economically and environmentally sustainable industrial processes.