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Study on the influence of alkalinity on floc formation,breakup and regrowth by photometric dispersion analyzer
Pages: 474-478
Year: Issue:  3
Journal: Optical Technique

Keyword:  透光脉动检测仪碱度絮体破碎再生FI指数;
Abstract: 为了解碱度对絮体的形成、破碎及再生过程的影响,采用PDA2000型透光脉动检测仪测定不同碱度下投加硫酸铝时高岭土悬浮液的絮凝指数(FI指数),并以强度因子和再生因子评价絮体的强度和再生能力.结果表明,碱度的高低在很大程度上会影响絮体的形成、破碎及再生过程,所形成絮体的颗粒随碱度的增加而减小.混凝剂投量和碱度高低共同决定了絮体的抗破碎强度,碱度越高,混凝剂投量越大,絮体的强度越高.在电中和作用下形成...
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