轻工学报2017，Vol.32Issue(1)：58-64,7.DOI:10.3969/j.issn.2096-1553.2017.1.009
壳聚糖－聚乙烯醇复合水凝胶对水体和土壤中总砷的吸附性能研究
Study on adsorption ability of arsenic in wastewater and soil by chitosan-polyvinyl alcohol composite hydrogel
摘要
Abstract
Chitosan-polyvinyl alcohol composite hydrogel was prepared using the hydrothermal method and scanning electron microscope (SEM)was used to detect the surface morphology of the composite hydrogel. Then the adsorption ability was detected through static adsorption experiments and desorption tests in water solution and soil digestion solution,respectively.Results suggested that the chitosan-polyvinyl alcohol composite hydrogel,as material with large surface area and more pores 1 0~60 μm in diameter,could effectively remove arsenic from both wastewater and soil.The adsorbing capacity were 3 .976 mg arsenic/g hydrogel and 3 .480 mg arsenic/g hydrogel,respectively.The desorption efficiency of this composite hydrogel to arsenic was higher,and the hydrogel could be reused.The desorption efficiency were 74.7% ~81 .4% and 64.1% ~77 .0%,respectively for wastewater and soil.So the chitosan/polyvinyl alcohol composite hydrogel could effec-tively remove arsenic from both wastewater and soil.关键词
壳聚糖-聚乙烯醇复合水凝胶/总砷/吸附/解吸/环境保护Key words
chitosan-polyvinyl alco-hol composite hydro-gel/arsenic/adsorption/desorption/environmen-tal protection分类
资源环境引用本文复制引用
张肖静,庞龙,何领好,王明花,陈砚,张治红..壳聚糖－聚乙烯醇复合水凝胶对水体和土壤中总砷的吸附性能研究[J].轻工学报,2017,32(1):58-64,7.基金项目
国家自然科学基金项目（21601161）；河南省教育厅重点科研项目（16A610013）；郑州轻工业学院博士科研基金项目 （）
