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沸石对重金属废水中Cd(NH_3)_4~(2+)的吸附性能研究

作  者:
王云龙;胡立阁;马亚洲
单  位:
中国海洋大学;广东省海洋与渔业环境监测中心
关键词:
沸石;吸附;镉氨络离子;重金属废水
摘  要:
利用沸石吸附去除重金属废水中以络离子形态存在的镉,实验考察了沸石用量、振荡时间、pH和温度对吸附效果的影响,探讨了吸附作用机理。结果表明,沸石对Cd(NH3)42+有良好的吸附性能,废水pH、温度和吸附时间是影响吸附效果的主要因素。在Cd(NH3)42+浓度低于50mg·L-1,吸附规律基本符合Freundlich模式,高于50mg·L-1时,不能满足常规吸附规律。
译  名:
Adsorption of Cd(NH_3)_4~(2+) from Wastewater Samples on Permutite
作  者:
Wang Yun-long1 HU Li-ge1 Ma Ya-zhou2 SHAN Bao-tian1 MA Gen-zhi1 HOU Hai-jun1 (1. Ocean University of China, Qingdao 266003, China; (2. Guangdong Ocean and Fishery Enveironment Monitoring Center, China)
关键词:
Permutite; adsorption; complex cadmium ammine ion; heavy metals wastewater
摘  要:
The adsorption of permutite was used to remove Cd(NH3)42+ in the heavy metals wastewater. The effect of shaking time, temperature and pH value on the adsorption Cd(NH3)42+ onto permutite was investigated. The mechanism for the adsorption was studied. The results indicate that shaking time, temperature and pH value are the main factors to affect adsorption of Cd(NH3)42+. The adsorption of Cd(NH3)42+ on to permutite can be described by Freundlich models when the concentration of Cd(NH3)42+ under 50mg·L-1

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