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来源：百度知道 编辑：UC知道 时间：2024/05/22 15:16:24
本文研究了有关重金属离子处理的基本方法，及海藻酸与甲壳胺在这方面的应用。通过比较两者对金属离子吸附的原理，效果及存在的缺点，提出了利用海藻酸与甲壳胺共同作用处理重金属离子的方法。本文以Cu为例,着重论述了海藻酸与甲壳胺的配比,温度,时间对此方法吸附效果的影响,并对其吸附Pb,Cd,Ag作了比较.实验结果表明,把海藻酸(alginate)和甲壳胺(chitosan)混合能有效地清理水中重金属离子,特别是处理如Ag这类原来单独使用海藻酸或甲壳胺无法处理的金属离子,这一技术有着不可比拟的优势.
关键词:重金属离子,海藻酸,甲壳胺,吸附

This paper studied the basic treatments for the removal of heavy metal ions (HMIs), as well as the application of alginate and chitosan in this field. By comparing the principles, effects, and disadvantages of the two materials mentioned above in HMIs’ adsorption, the author put forward a HMIs’ removal using alginate combined with chitosan. With Cu as an example, the author stressly discussed the effects of blend ratio, temperature, and exposure time on Cu(2+为上标) adsorption, then compared the effect on Cu(2+为上标) with that of Pb(2+为上标), Cd(2+为上标), and Ag(+为上标). The result shows that the mixture of alginate and chitosan could effectively remove HMIs in water, especially to remove Ag(+为上标) which could not be removed using alginate or chitosan singly. Therefore the technology has great advantages.
Keywords: Heavy metal ions, Alginate, Chitosan, Adsorption

This paper studies of the heavy metal ions with basic methods, chitosan and alginate and the application in this regard.