Effects of surface properties of activated carbon on its adsorption and oxidation of hydroquinone

被引：0
|
作者：
Liu Y. [1 ]
Wang C. [1 ]
Gao Y. [1 ]
Sui Z. [1 ]
Zou D. [1 ]
机构：
[1] College of Environment and Resources, Jilin University, Changchun, 130000, Jilin
来源：
Zou, Donglei (zoudl@jlu.edu.cn) | 2018年 / Materials China卷 / 69期
关键词：
Activated carbon; Adsorption; Hydroquinone; Model; Oxygen-containing functional group;
D O I：
10.11949/j.issn.0438-1157.20170864
中图分类号：
学科分类号：
摘要：
The oxygen-containing functional groups and pore structures of activated carbon in adsorption and oxidation mechanism of hydroquinone were studied. Effects of initial pH value, the dosage of activated carbon, on the adsorption and oxidation efficiency of hydroquinone were studied. Then the relationship between adsorption rate, apparent conversion rate of hydroquinone and the materials of activated carbon, the dosage of activated carbon was discussed. The results showed that the oxygen-containing functional groups of activated carbon could adsorb and oxidate hydroquinone, wood-chip activated carbon was better than the other two types of activated carbon on the adsorption and oxidation efficiency of hydroquinone. Under the condition of not to adjust the initial pH, reaction time 3h, and reaction temperature 25℃, if wood-chip activated carbon dosage was 0.5g•L-1qualityits base adsorption was 95.5% and if dosage was 0.1 g•L-1 the conversion of hydroquinone was 32.1%. The microporous surface area of sawdust activated carbon was larger than the other two activated carbon's, and the phenol hydroxyl group, carboxyl group, and carbonyl group were more abundant. Therefore, the adsorption and oxidation efficiency of hydroquinone using sawdust activated carbon was better. On the basis of this, the mechanism of activated carbon adsorption and oxidation of hydroquinone were proposed. It provided the theoretical basis for the treatment of wastewater containing phenolic organic pollutants by activated carbon as adsorbent and catalyst carrier. © All Right Reserved.
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页码：1595 / 1601
页数：6
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