INVESTIGATION OF DETERGENT ADSORPTION ON MICROPLASTICS IN LABORATORY CONDITIONS

被引:0
作者
Oz, Nurtac [1 ]
Erol, Yasin [1 ]
Yurtsever, Meral [1 ]
机构
[1] Sakarya Univ, Engn Fac, Environm Engn Dept, Esentepe Campus, TR-54187 Sakarya, Turkey
来源
FRESENIUS ENVIRONMENTAL BULLETIN | 2019年 / 28卷 / 02期
关键词
Adsorption; anionic surfactants; LAS; microplastics; PLASTIC DEBRIS; SORPTION; KINETICS; THERMODYNAMICS; SOLUBILIZATION; RECONSTITUTION; ISOTHERMS; CAPACITY;
D O I
暂无
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The adsorption of linear alkyl benzene suiphonate (LAS) onto microplastics has been investigated under laboratory conditions. In order to investigate the efficiency of adsorption on polypropylene (PP) and polyethylene (PE) micropellets have been used as adsorbent in the experiment. Temperature (C) and adsorption equilibrium kinetics were compared in PP and effect of contact time on the adsorption of LAS was compared for PP against PE. In addition, adsorption isotherms and adsorption kinetic models have been investigated. It was observed that the adsorption rate did not change much at the two different temperature values, the adsorption reached equilibrium at the end of 2 hours at both temperatures, the adsorption capacity of PP increased and the adsorption rate of PP was better than PE. Experimental results showed that the pseudo second kinetic model is more appropriate than the pseudo-first kinetic model. Adsorption isotherms indicate that the Langmuir model is more appropriate than the Freundlich model.
引用
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页码:818 / 823
页数:6
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