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混凝体系中水解铝盐的再稳现象的研究
引用本文:李理成.混凝体系中水解铝盐的再稳现象的研究[J].湖南环境生物职业技术学院学报,2008,14(4):15-19.
作者姓名:李理成
作者单位:湖南省衡南县职业中等专业学校化学教研组,湖南,衡南,421141
摘    要:基于铝水解聚合形态产生再稳现象的反应机制,对Al13的再稳现象的成因、影响铝水解形态吸附再稳发生的因素进行了分析,同时从理论上对胶粒表面浓度与凝聚剂剂量、体系随pH变化对混凝效果的影响、颗粒物的扩散传质速率进行了研究.结果表明:再稳现象的产生与凝聚剂剂量与胶体颗粒物表面浓度的相对比值、混凝体系的pH和流体的扩散输送状况有关.尤其是低颗粒物表面浓度下的混凝最易出现再稳.图3,参12.

关 键 词:Al13化学态  再稳现象  混凝体系  水解铝盐

Investigation of the Re-steady Phenomenon of Hydrolyzing Aluminum Salt in Mixed Coagulation
LI Li-cheng.Investigation of the Re-steady Phenomenon of Hydrolyzing Aluminum Salt in Mixed Coagulation[J].JOurnal of Hunan Environment Biological Polytechnic,2008,14(4):15-19.
Authors:LI Li-cheng
Institution:LI Li-cheng( Teaching and Research Group of Chemistries, Vocation middling school of Hengnan county, Hengyang 421141, China)
Abstract:This paper had analyzed the causing factors on re-stability of Al13 and the factors affecting the re-stability happening of Al hydrolyze conformation based on the reaction mechanism of Al hydrolyze conformation generating the re-stability phenomenon and investigate the effect of granule facial concentration and the dose of flocculant,the pH change of the system impact on mix effect and the diffuse delivery velocity of granule.The results indicated that the generating of the re-stability associated with the ...
Keywords:Al13 chemical states  mixed coagulation  Re-steady phenomenon  hydrolyzing aluminum  
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