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[1]李诗莹,谈乐乐,刘静,等.改性活性炭对甲基橙的吸附试验探究[J].武汉工程大学学报,2025,47(06):607-613.[doi:10.19843/j.cnki.CN42-1779/TQ.202409010]
　LI Shiying,TAN Lele,LIU Jing,et al.Experimental investigation on methyl orange adsorption by modified activated carbon[J].Journal of Wuhan Institute of Technology,2025,47(06):607-613.[doi:10.19843/j.cnki.CN42-1779/TQ.202409010]
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改性活性炭对甲基橙的吸附试验探究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年06期
页码:
607-613
栏目:
现代大化工
出版日期:
2025-12-31

文章信息/Info

Title:
Experimental investigation on methyl orange adsorption by modified activated carbon
文章编号:
1674 - 2869（2025）06 - 0607 - 07
作者:
李诗莹1; 2 ; 谈乐乐1 ; 刘静1 ; 张楠1 ; 丁宗庆1
1. 汉江师范学院化学与环境工程学院，湖北 十堰 442000；
2. 生物资源与生态环境保护十堰市重点实验室(汉江师范学院)， 湖北 十堰 442000
Author(s):
LI Shiying1; 2; TAN Lele1; LIU Jing1; ZHANG Nan1; DING Zongqing1
1. School of Chemistry and Environmental Engineering,Hanjiang Normal University,Shiyan 442000, China;
2. Shiyan Key Laboratory of Biological Resources and Eco-environmental Protection (Hanjiang Normal University),Shiyan 442000,China
关键词:
改性活性炭; 甲基橙; 偶氮染料; 高锰酸钾氧化
Keywords:
modified activated carbon;  methyl orange;  azo dyes;  potassium permanganate oxidation
分类号:
R914.5
DOI:
10.19843/j.cnki.CN42-1779/TQ.202409010
文献标志码:
A
摘要:
甲基橙（MO）是具有单偶氮基团的典型酸性偶氮染料，应用较为广泛，其分子结构中具有芳香结构，不易被分解，处理难度较大。以MO溶液为处理对象，用高锰酸钾氧化制备改性活性炭材料进行吸附试验，分别探讨了活性炭投加量、MO初始质量浓度、溶液pH值、吸附时间等因素对脱色效率、化学需氧量（COD）和MO去除率的影响。结果表明：当MO初始质量浓度为20 mg/L，改性活性炭的投用量为0.5 g/L时，在pH=9.00、反应时间为60 min条件下，MO的去除率、脱色效率和CODcr去除率可分别达到98.8%、98%和98.9%，相较于未改性的活性炭，吸附效果得到较大提升。
Abstract:
Methyl orange (MO) is a typical and widely used acidic azo dye featuring a mono-azo group. However, its aromatic molecular structure resists degradation, making it difficult to remove from wastewater.?In this study, activated carbon was modified through oxidation with potassium permanganate and used as an adsorbent for MO removal. The effects of several key parameters (including adsorbent dosage, initial MO concentration, solution pH, and adsorption time) were systematically evaluated in terms of decolorization efficiency, chemical oxygen demand (COD) and MO removal rate. The results demonstrated that under optimal conditions (initial MO concentration of 20 mg/L, modified activated carbon dosage of 0.5 g/L, pH = 9.00, and reaction time of 60 min), the MO removal rate, decolorization efficiency, and CODcr removal reached 98.8%, 98.0%, and 98.9%, respectively. Compared with unmodified activated carbon, the modified material exhibited significantly enhanced adsorption performance.

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备注/Memo

备注/Memo:
收稿日期：2024-09-13
基金项目：汉江师范学院2023年科学研究计划项目（2023B18）
作者简介：李诗莹，硕士，实验师。Email:lishiying@hjnu.edu.cn
更新日期/Last Update: 2026-01-05