Utilizing oil palm sterilization condensate as methylene blue adsorbent.

IF 3.1 4区环境科学与生态学 Q2 ENVIRONMENTAL SCIENCES

International Journal of Phytoremediation Pub Date : 2025-09-17 DOI:10.1080/15226514.2025.2558165

Ahmad Syahmi Zaini, Nurul Aishah Abdul Rahim, Nicky Rahmana Putra, Azrul Nurfaiz Mohd Faizal, Muhammad Abbas Ahmad Zaini

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Abstract

This study explores the transformation of oil condensate waste (OCW) into activated carbons (ACs) as an efficient solution for managing condensate waste within palm oil mill, while providing a sustainable alternative for dye removal from wastewater. OCW was chemically activated using sulfuric acid (CH samples) and zinc chloride (CZ samples), followed by comprehensive characterization of their elemental composition, surface chemistry, and textural properties. The resulting activated carbons exhibited specific surface areas ranging from 427.85 to 493.42 m²/g with the maximum adsorption capacities of 230.5 mg/g. Adsorption performance was evaluated using isotherm and kinetic models, with the pseudo-second-order model providing the best fit, indicative of a chemisorption mechanism. Thermodynamic parameters further revealed that the adsorption process was both endothermic and spontaneous in nature. The results demonstrate the potential of activated carbons derived from OCW as efficient and sustainable adsorbents for wastewater treatment applications.

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利用油棕灭菌冷凝水作为亚甲基蓝吸附剂。

本研究探讨了将凝析油废物（OCW）转化为活性炭（ACs）作为棕榈油厂凝析油废物管理的有效解决方案，同时为废水中的染料去除提供了可持续的替代方案。用硫酸（CH样品）和氯化锌（CZ样品）对OCW进行化学活化，然后对它们的元素组成、表面化学和结构特性进行综合表征。所得活性炭的比表面积为427.85 ~ 493.42 m2/g，最大吸附量为230.5 mg/g。采用等温线和动力学模型对吸附性能进行了评价，其中拟二阶模型拟合最佳，表明了化学吸附机理。热力学参数进一步揭示了吸附过程既吸热又自发。结果表明，从OCW中提取的活性炭具有作为高效和可持续的废水处理吸附剂的潜力。

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

International Journal of Phytoremediation 环境科学-环境科学

CiteScore

7.60

自引率

5.40%

发文量

145

审稿时长

3.4 months

期刊介绍： The International Journal of Phytoremediation (IJP) is the first journal devoted to the publication of laboratory and field research describing the use of plant systems to solve environmental problems by enabling the remediation of soil, water, and air quality and by restoring ecosystem services in managed landscapes. Traditional phytoremediation has largely focused on soil and groundwater clean-up of hazardous contaminants. Phytotechnology expands this umbrella to include many of the natural resource management challenges we face in cities, on farms, and other landscapes more integrated with daily public activities. Wetlands that treat wastewater, rain gardens that treat stormwater, poplar tree plantings that contain pollutants, urban tree canopies that treat air pollution, and specialized plants that treat decommissioned mine sites are just a few examples of phytotechnologies.