利用蛋壳作为油类吸附剂优化油类吸附效果

Romchat Buaban, Kaewpilin Pattanpornpong, Theapparat Doksoy, V. Loryuenyong
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引用次数: 0

摘要

由于全球消费者对石油的需求和需要不断增加,石油勘探、生产、储存和运输等航运活动也随之增加。这些活动增加了石油泄漏造成海洋污染的风险。吸附是去除水中污染物的一种经济而直接的方法。使用残渣作为吸附剂可以提高该过程的可持续性和成本效益。本研究建议使用蛋壳作为油类吸附剂。蛋壳用水清洗后在阳光下晒干。在 70 °C 的烤箱中加热处理 1 小时,然后仔细研磨。最后,用 60-200 目筛子(74-250 毫米)过滤试样。利用 X 射线衍射(XRD)、X 射线荧光(XRF)和扫描电子显微镜(SEM)对蛋壳进行表征。结果表明,蛋壳中钙(Ca)的原子浓度为 98.46%。通过优化以下参数:吸附时间 26.15 分钟、搅拌速度 357.62 rpm 和吸附剂重量 19.98 g,获得了最高的棕榈油吸附容量 38.01 mL。它将提供一种低成本的方法来清洁含油和受污染的水环境,从而保护人类健康和水生生物的生命。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Optimization of Oil Adsorption by Using Eggshell as an Oil Adsorbent
A rise in shipping activities, such as oil exploration, production, storage, and transportation, is a result of increasing demand and needs for oil among consumers worldwide. The risk of oil spills causing marine pollution has increased as a result of these activities. Adsorption is a cost-effective and straightforward method for removing contaminants from water. The use of residuals as adsorbents can improve the process's sustainability and cost-effectiveness. This study suggests using eggshells as an oil adsorbent. Eggshells were cleaned with water and dried in sunlight. Heated treatment in an oven at 70 °C for 1 hour followed by careful grinding. Overall, the specimen was filtered through a 60-200 mesh sieve (74-250 mm). X-ray diffraction (XRD), X-ray fluorescence (XRF), and scanning electron microscopy (SEM) were utilized to characterize the eggshell. The results revealed that eggshell is composed of calcium (Ca) at a 98.46 atomic percent concentration. The highest palm oil adsorption capacity of 38.01 mL was achieved by optimizing the following parameters: adsorption time of 26.15 min, agitation speed of 357.62 rpm, and weight of adsorbent, which was 19.98 g. The findings demonstrated that eggshell is an effective biosorbent for the removal of oil from water. It will offer a low-cost method of cleaning the oily and contaminated water environment, thereby protecting both human health and the lives of aquatic organisms.
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