Cypress cones solid waste derived biochar for efficient uptake of paracetamol from synthetic wastewater: characterization, kinetic, isotherm, and thermodynamic studies

IF 4.1 4区工程技术 Q3 ENERGY & FUELS

Biomass Conversion and Biorefinery Pub Date : 2025-03-27 DOI:10.1007/s13399-025-06787-z

Imane Akacha, Abdelkrim Merzougui, Khadidja Bouzid, Saliha Benaoune

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引用次数: 0

Abstract

This paper explores the production of a cost-effective adsorbent material from the biomass of cypress cones (abbreviated as CC). The cypress cones biochar (abbreviated as CCB-650) is manufactured easily through one stage of carbonization of (CC) at 650 °C. Comprehensive characterization was conducted using Brunauer–Emmett–Teller (BET), scanning electron microscopy analysis (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and pH point of zero charge. Characterization of CCB-650 led to the result of an amorphous carbon structure with a porous and large surface area reaching 365.57 m²/g in order to adsorb paracetamol molecules (abbreviated as PCM). Batch experiments and theoretical calculations were carried out to examine the adsorption of paracetamol from aqueous medium onto CCB-650. The adsorption of PCM on CCB-650 achieves up to 97% efficiency under ambient conditions. According to the Langmuir model, the maximum adsorption capacity obtained was 59.865 mg/g. The results show that adsorption occurs on a surface of CCB-650 biochar according to the Freundlich isotherm and pseudo-second-order model. The pore diffusion, π–π interactions, and hydrophobic interactions might be the dominant mechanisms responsible for this adsorption process. This study highlights the successful valorization of cypress cones (CC) as a waste with no commercial value into an adsorbent material capable of treating effluents containing medicinal chemicals.

Graphical abstract

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从合成废水中高效吸收扑热息痛的柏树锥固体废物衍生生物炭：表征、动力学、等温线和热力学研究

本文探讨了从柏树球果（简称CC）的生物量中生产一种具有成本效益的吸附剂材料。柏树球果生物炭（简称CCB-650）在650℃下通过（CC）的一次炭化就可以很容易地制造出来。采用brunauer - emmet - teller （BET）、扫描电镜（SEM）、傅里叶变换红外光谱（FTIR）、x射线衍射（XRD）、零电荷pH点等方法对其进行了综合表征。通过对CCB-650的表征，得到了一种多孔的非晶碳结构，其表面积达到365.57 m2/g，可以吸附扑热息痛分子（简称PCM）。通过批量实验和理论计算考察了对乙酰氨基酚在CCB-650上的吸附性能。CCB-650在环境条件下对PCM的吸附效率高达97%。根据Langmuir模型，得到的最大吸附容量为59.865 mg/g。结果表明：CCB-650生物炭表面吸附符合Freundlich等温线和拟二阶模型；孔扩散、π -π相互作用和疏水相互作用可能是这一吸附过程的主要机理。本研究强调了柏树球果（CC）作为一种没有商业价值的废物，成功地转化为一种能够处理含有药用化学品的废水的吸附剂材料。图形抽象

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Biomass Conversion and Biorefinery Energy-Renewable Energy, Sustainability and the Environment

CiteScore

7.00

自引率

15.00%

发文量

1358

期刊介绍： Biomass Conversion and Biorefinery presents articles and information on research, development and applications in thermo-chemical conversion; physico-chemical conversion and bio-chemical conversion, including all necessary steps for the provision and preparation of the biomass as well as all possible downstream processing steps for the environmentally sound and economically viable provision of energy and chemical products.