物理吸附
化学吸附
苯酚
吸附
活性炭
化学
产量(工程)
化学工程
有机化学
无机化学
材料科学
复合材料
工程类
出处
期刊:Carbon
[Elsevier]
日期:1986-01-01
卷期号:24 (2): 101-107
被引量:92
标识
DOI:10.1016/0008-6223(86)90102-8
摘要
Phenol adsorbs in two ways on activated carbons: by physisorption and chemisorption. During the course of time and by raising the temperature, chemisorption is increased and part of the physisorbed phenol becomes chemisorbed. This phenol is impossible to remove as such. Upon heating to elevated temperatures it decomposes, depositing carbon, resulting in a decrease in the adsorption capacity of activated carbons. By studying this, we have been able to find adsorption conditions which prevent phenol chemisorption and yield a method of 100% regeneration of phenol-polluted activated carbons.
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