在超声波辅助下使用马克果里酒糟去除酸性橙 7 染料

IF 1.7 4区 化学 Bulletin of the Korean Chemical Society Pub Date : 2024-08-29 DOI:10.1002/bkcs.12892
Nguyen Van Kien, Sunghwan Kim, Jae Jeong Ryoo
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引用次数: 0

摘要

本研究利用韩国传统麦芽汁饮料生产过程中产生的一种常见副产品--麦芽汁酒糟,研究了如何有效去除水中的酸性橙 7(AO7)染料。通过使用超声波,研究了接触时间、牧草酒糟用量、初始 AO7 染料浓度和染料溶液初始 pH 值的影响,并与使用搅拌法进行的相同实验进行了综合比较。结果一致表明,与搅拌法相比,超声波不仅增强了麦胶酒糟的出色吸附能力,还加快了吸附过程。朗穆尔等温线模型最好地描述了这两种方法的吸附过程,表明在 Makgeolli 酒糟表面存在单层吸附,超声波频率为 40 kHz 时的最大吸附量为 25.13 mg/g,搅拌法为 20.41 mg/g。此外,研究还表明,在频率为 28 kHz、功率密度为 125 W/L、超声强度为 100%的超声条件下,可以达到最佳的染料去除效率。这项研究表明,将低成本生物质与超声波相结合,可为染料废水处理提供一种潜在的解决方案。
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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Removal of Acid Orange 7 dye using Makgeolli lees with ultrasonic assistance

This study investigated the efficient removal of Acid Orange 7 (AO7) dye in water by using Makgeolli lees, a popular by-product obtained during the production of traditional Makgeolli beverages in Korea. By incorporating ultrasound, the effects of contact time, Makgeolli lees dosage, initial AO7 dye concentration, and initial pH of the dye solution were investigated and comprehensively compared with the same experiment using the stirring method. The results consistently showed ultrasound not only enhances the excellent adsorption ability of Makgeolli lees but also accelerates the process compared to the stirring method. The Langmuir isotherm model best described the adsorption process for both methods, suggesting monolayer adsorption on the surface of Makgeolli lees, with maximum capacities of 25.13 mg/g for ultrasound at 40 kHz and 20.41 mg/g for stirring methods. Furthermore, the study showed that optimal dye removal efficiency can be achieved with ultrasound conditions at 28 kHz frequency, 125 W/L power density, and 100% ultrasound intensity. This research promises that the integration of low-cost biomass coupled with ultrasound could provide a potential solution for dye wastewater treatment.

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来源期刊
Bulletin of the Korean Chemical Society
Bulletin of the Korean Chemical Society Chemistry-General Chemistry
自引率
23.50%
发文量
182
期刊介绍: The Bulletin of the Korean Chemical Society is an official research journal of the Korean Chemical Society. It was founded in 1980 and reaches out to the chemical community worldwide. It is strictly peer-reviewed and welcomes Accounts, Communications, Articles, and Notes written in English. The scope of the journal covers all major areas of chemistry: analytical chemistry, electrochemistry, industrial chemistry, inorganic chemistry, life-science chemistry, macromolecular chemistry, organic synthesis, non-synthetic organic chemistry, physical chemistry, and materials chemistry.
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