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

IF 2.8 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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引用次数: 0

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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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.