摘要
通过改变吸附的温度,测得不同离子的吸附量,根据分配系数D与温度T的关系式lgD=-△H0 /RT+C作图,由其斜率求得反应的焓变,从而从理论上说明温度对吸附的影响,同时通过改变金属离子的浓度,根据Freundlich吸附等温式作出其吸附等温线,并求出有关常数,从而从理论上说明吸附反应进行的难易程度及树脂对金属离子吸附能力的大小。
The various ion adsorption capacities were measured by change of adsorption temperature, and the graph lines were made by the relation formula of coefficient of distribution D and temperature T: lgD =△H 0/RT+C. with achieving enthalpy change of reaction. The temperature influence on adsorption in theory was illustrated; the isothermal lines of adsorption were done by change of metal ion density and Freundlich isothermal of adsorption; the related constants were achieved, thus, the difficult or easy degree and the ability of adsorption for metal ion was explained.
出处
《包装工程》
CAS
CSCD
北大核心
2005年第3期26-29,共4页
Packaging Engineering
关键词
吸附
分配系数
焓变
造纸废水
Adsorption
Coefficient of distribution
Change of enthalpy
Papermaking waste water
