Adsorptive removal of endocrine disruptor bisphenol A from aqueous environment using sugarcane bagasse derived biochar

IF 5.5 3区工程技术 Q1 ENGINEERING, CHEMICAL Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-01-01 DOI:10.1016/j.jtice.2023.105216

Muthamilselvi Ponnuchamy , Ashish Kapoor , Meenu Mariam Jacob , Anjali Awasthi , Moitraiyee Mukhopadhyay , Shanmugapriya Nandagobu , Akshara Raghav , Deepshika Arvind , Paromita Chakraborty , Sivaraman Prabhakar

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Abstract

Background

Endocrine-disrupting chemicals, such as bisphenol A (BPA), pose a grave global concern in aqueous environments. Agricultural waste-derived biochar has garnered interest as an eco-friendly, cost-effective adsorbent for wastewater treatment.

Methods

Biochar, synthesized by pyrolytic treatment of sugarcane bagasse at 400 °C (BC400), was analyzed for BPA adsorption and physicochemical characteristics. Process parametric studies, scale-up design, and economic assessment were carried out to ascertain the viability of BC400 for BPA removal.

Findings

BC400 exhibited a specific surface area of 14.302 m² g⁻¹, a pore volume of 0.005 cm³ g⁻¹, and a pore radius of 3.133 nm. Scanning electron microscopy of BC400 revealed longitudinal pores attributed to vascular biomass usage. The conversion of feedstock into biochar led to an increase in carbon content. With an O/C ratio of 0.28, BC400 indicated suitability for sequestration. The maximum adsorption capacity of BPA was 32.05 mg g⁻¹ at pH 6.0. The adsorption mechanism likely involved electrostatic interactions and hydrogen bonding. The adsorption behavior adhered to pseudo-second order kinetics and Freundlich isotherm. BC400 demonstrated potential as an efficacious adsorbent for BPA removal from contaminated water in resource-constrained settings.

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利用蔗渣生物炭吸附去除水中环境中的内分泌干扰物双酚A

干扰内分泌的化学物质，如双酚A (BPA)，在水环境中引起了全球的严重关注。农业废物衍生的生物炭作为一种生态友好、成本效益高的废水处理吸附剂已引起人们的兴趣。以蔗渣为原料，在400℃(BC400)条件下热解合成生物炭，分析其对BPA的吸附及理化特性。进行了工艺参数研究、放大设计和经济评估，以确定BC400去除BPA的可行性。BC400的比表面积为14.302 m2 g−1，孔体积为0.005 cm3 g−1，孔半径为3.133 nm。扫描电镜显示BC400的纵向气孔归因于维管生物量的利用。原料转化为生物炭导致碳含量增加。BC400的O/C比值为0.28，表明其适合固存。在pH 6.0时，双酚a的最大吸附量为32.05 mg g−1。吸附机理可能涉及静电相互作用和氢键作用。吸附行为符合拟二级动力学和Freundlich等温线。在资源受限的环境下，BC400作为一种有效的吸附剂，具有从污染水中去除BPA的潜力。

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来源期刊

Journal of the Taiwan Institute of Chemical Engineers 工程技术-工程：化工

CiteScore

9.10

自引率

14.00%

发文量

362

审稿时长

35 days

期刊介绍： Journal of the Taiwan Institute of Chemical Engineers (formerly known as Journal of the Chinese Institute of Chemical Engineers) publishes original works, from fundamental principles to practical applications, in the broad field of chemical engineering with special focus on three aspects: Chemical and Biomolecular Science and Technology, Energy and Environmental Science and Technology, and Materials Science and Technology. Authors should choose for their manuscript an appropriate aspect section and a few related classifications when submitting to the journal online.