Harnessing durian seed and shell waste-derived activated carbon for effective aqueous phenol removal

IF 3.1 4区工程技术 Q3 CHEMISTRY, PHYSICAL

Adsorption Pub Date : 2025-02-09 DOI:10.1007/s10450-025-00606-7

Pilasinee Limsuwan, Jutharat Pongpai, Doungporn Yiamsawas, Wiwut Tanthapanichakoon, Kreangkrai Maneeintr, Jirawat Trakulmututa, Assadawoot Srikhaow, Siwaporn Meejoo Smith, Keiko Sasaki, Chitiphon Chuaicham

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引用次数: 0

Abstract

This work aimed to synthesize and characterize activated carbon derived from durian wastes, a substantial agricultural by-product in Thailand, with a focus on its efficacy in aqueous phenol removal. The activated carbon derived from durian seed (AC-DSE) and activated carbon derived from durian shell (AC-DSH) was prepared using phosphoric acid (H₃PO₄) as the activating agent, subsequently, carbonization occurred under a nitrogen atmosphere. The synthesized samples underwent comprehensive characterization. In phenol removal, the adsorption performance of the AC-DSE was notable, achieving a phenol removal efficiency of around 90% within 180 min, employing 0.1 g of AC-DSE for 20 ml of aqueous phenol solution (initial concentration: 10 mg/l). Compared with AC-DSH and a commercial activated carbon, the obtained AC-DSE exhibited the highest phenol removal due to high specific surface area of 2,054 m²/g, with an average pore size of 3.85 nm, micro, and mesopore volumes of 1.43 and 2.27 cm³/g, respectively. Moreover, the adsorption behaviour followed to the Langmuir model, while the experimental data closely aligned with the pseudo-second-order kinetic model. These findings emphasize the potential of activated carbon derived from durian waste as a sustainable adsorbent for organic removal from wastewater.

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利用榴莲籽和榴莲壳废弃物衍生活性炭有效去除水中苯酚

本研究旨在合成和表征从榴莲废料中提取的活性炭，榴莲废料是泰国一种重要的农业副产品，重点研究其去除水中苯酚的效果。以磷酸（H3PO4）为活化剂制备榴莲籽活性炭（AC-DSE）和榴莲壳活性炭（AC-DSH），并在氮气气氛下进行炭化。合成的样品进行了全面的表征。在苯酚的去除中，AC-DSE的吸附性能显著，在0.1 g AC-DSE对20 ml苯酚水溶液（初始浓度为10 mg/l）的180 min内，苯酚的去除效率达到90%左右。与AC-DSH和商用活性炭相比，AC-DSE具有最高的苯酚去除率，其比表面积高达2054 m2/g，平均孔径为3.85 nm，微孔和中孔体积分别为1.43和2.27 cm3/g。此外，吸附行为符合Langmuir模型，而实验数据与伪二级动力学模型密切相关。这些发现强调了从榴莲废物中提取的活性炭作为一种可持续的吸附剂从废水中有机去除的潜力。

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

Adsorption 工程技术-工程：化工

CiteScore

8.10

自引率

3.00%

发文量

审稿时长

2.4 months

期刊介绍： The journal Adsorption provides authoritative information on adsorption and allied fields to scientists, engineers, and technologists throughout the world. The information takes the form of peer-reviewed articles, R&D notes, topical review papers, tutorial papers, book reviews, meeting announcements, and news. Coverage includes fundamental and practical aspects of adsorption: mathematics, thermodynamics, chemistry, and physics, as well as processes, applications, models engineering, and equipment design. Among the topics are Adsorbents: new materials, new synthesis techniques, characterization of structure and properties, and applications; Equilibria: novel theories or semi-empirical models, experimental data, and new measurement methods; Kinetics: new models, experimental data, and measurement methods. Processes: chemical, biochemical, environmental, and other applications, purification or bulk separation, fixed bed or moving bed systems, simulations, experiments, and design procedures.