Adsorption of uremic toxins by modified activated carbon of different mesh with sulfuric acid

IF 3 4区工程技术 Q3 CHEMISTRY, PHYSICAL

Adsorption Pub Date : 2024-04-22 DOI:10.1007/s10450-024-00462-x

Qin Guangle, Zhang Gan, Chen Dapeng, Sha Jingjie

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引用次数: 0

Abstract

End-stage renal disease is a global health issue, and there is a growing trend of younger individuals being affected by this condition. In order to save time for patient undergoing dialysis treatment and allow them to return to social life, a portable dialysis device called wearable artificial kidney is quite necessary. The dialysate recycling system serves as a fundamental component of the wearable artificial kidney. It effectively eliminates various toxins from the waste dialysate and gets regenerated dialysate for subsequent dialysis sessions. However, the low capacity of urea treatment has been a difficult problem to overcome. In this study, our primary focus was to investigate the optimal modification conditions for activated carbon modified with sulfuric acid. We fabricated water vapor activation of coconut shell activated carbon and modified activated carbon of various mesh sizes with sulfuric acid solution. The samples were subjected to characterization, and adsorption experiments were conducted to evaluate their performance in adsorbing creatinine and urea. It was ultimately concluded that the samples obtained by treating 200 mesh activated carbon with 6 mol/L sulfuric acid solution exhibited superior adsorption capacity.

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不同目数的改性活性炭对尿毒症毒素与硫酸的吸附作用

终末期肾病是一个全球性的健康问题，而且越来越多的年轻人受到这种疾病的影响。为了节省接受透析治疗的病人的时间，让他们重返社会生活，一种名为可穿戴式人工肾脏的便携式透析设备是非常必要的。透析液循环系统是可穿戴式人工肾脏的基本组成部分。它能有效清除废透析液中的各种毒素，并获得再生透析液用于后续透析疗程。然而，尿素处理能力低一直是一个难以克服的问题。在这项研究中，我们的主要重点是研究硫酸改性活性炭的最佳改性条件。我们制作了水蒸气活化椰壳活性炭，并用硫酸溶液改性了不同目数的活性炭。对样品进行了表征，并进行了吸附实验，以评估其吸附肌酐和尿素的性能。最终得出的结论是，用 6 摩尔/升硫酸溶液处理 200 目活性炭得到的样品具有更强的吸附能力。

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.