聚硅酸氯化铝铁絮凝剂制备及絮凝效果的研究  

Study on the preparation and character of polysilicate aluminum ferric chloride coagulants

作　　者：俞尚清[1] 潘志彦[1] 钱小飞 郎建敏[1] 包贞[1] 

机构地区：[1]浙江工业大学环境工程系,杭州310032 [2]温州市环境监测中心站,温州325003

出　　处：《环境污染与防治》2004年第2期121-123,共3页Environmental Pollution & Control

摘　　要：以粉煤灰和硫铁矿烧渣两种工业固体废弃物为主要原料 ,制取聚硅酸氯化铝铁 ( PSAF C)无机高分子絮凝剂。粉煤灰、硫铁矿烧渣和纯碱按 1∶ 1∶ 0 .8混合 ,在 80 0～ 90 0℃焙烧 15～ 3 0 min,用定量 1∶ 1盐酸浸取 ,固体溶出率高达 94% ,陈化后即为PSAFC絮凝剂。通过模拟和真实印染废水絮凝试验 ,表明 PSAF C絮凝效果与聚合氯化铝 ( PAC)相当 ,在沉降速度、污泥体积等方面要优于 PAC,且成本比 PAC低 ,具有较大的市场前景。Using fly ash and residue of ferric sulfide ore, the two industrial wastes, as main material, polysilicate aluminum ferric chloride (PSAFC) coagulant was made.Fly ash, residue of ferric sulfide ore and sodium carbonate were mixed by 1∶1∶0.8. The mixture were baked in muffle with 800～900 ℃ about 15～30 min. Then extracting the solid by certain hydrochloric acid, the extraction ratio achieves 94% and it becomes PSAFC after mellow. After treating dyeing wastewater with this coagulant, the result of removing ratio of COD and SIV shows that it is superior to PAC, also the cost is lower than the latter.;

关 键 词：聚硅酸氯化铝铁 絮凝剂 絮凝效果 制备方法 PAC 粉煤灰 硫铁矿 固体废弃物 水处理剂 

分 类 号：X703[环境科学与工程—环境工程]