摘要
污染物中微塑料是一种新型的、分布十分广泛的颗粒物。对于微塑料已经有一部分学者研究确定其可以吸附污染物,但是对于微塑料在重金属方面的吸附作用相关研究尚少。通过从动力学以及热力学对聚苯乙烯吸附性进行分析:其吸附与二级动力学模型相符和Langumuir为单层吸附,吸附特性为化学吸附,温度变化会对反映造成正向影响。
microplastics in pollutants are a new type and widely distributed. Some scholars have determined that microplastics can adsorb pollutants, but there are few studies on the adsorption of microplastics on heavy metals. in this paper, the adsorption of polystyrene is analyzed from the kinetics and thermodynamics: its adsorption is in accordance with the second-order kinetic model and langumuir is monolayer adsorption, the adsorption property is chemical adsorption, and the temperature change will have a positive effect on the reflection.
作者
郑文俊
李腾
张振涛
Zheng Wenjun;Li Teng;Zhang Zhentao(China Institute of Atomic Energy Sciences,Beijing 102413)
出处
《云南化工》
CAS
2020年第2期40-41,44,共3页
Yunnan Chemical Technology
关键词
微塑料
吸附
痕量重金属
动力学
热力学
microplastics
adsorption
trace heavy metals
kinetics
thermodynamics
