PFMS多核絮凝剂净化海水效果及影响因素  

Effect and influence factors on seawater treatment by magnesium-ferro composite flocculant

作　　者：张秀芝[1] 王静[1] 郝建安[1] 成玉[1] 张雨山[1] 

机构地区：[1]国家海洋局天津海水淡化与综合利用研究所,天津300192

出　　处：《海洋环境科学》2014年第6期962-965,共4页Marine Environmental Science

基　　金：海洋公益性行业科研专项经费项目(201105026);天津市科技兴海科研项目(KJXH2011-01)

摘　　要：制备镁铁复合絮凝剂(PMFS),研究其对近岸海水的处理效果,考察了PMFS在絮凝过程聚集状态以及投加量、p H等因素对污染物去除效果的影响。结果表明:PMFS絮凝过程是多种机制共同起作用的动态变化过程,形成絮体沉降性能良好;PMFS絮凝性能略优于聚合硫酸铁(PFS);浊度、溶解性有机碳(DOC)去除率和总磷(TP)去除率分别达到96%、45%和92%;p H对海水的浊度去除影响较小,但酸性条件下更利于DOC和TP的去除。In this paper,we discussed the treatment effect of magnesium-ferro composite flocculant（ PMFS） toward coastal waters. Aggregation state in flocculation process,flocculant dosage and p H were studied to estimate pollutant removal efficiency. Results showed that the flocculation process influenced by a variety of mechanisms was a dynamic change process. PMFS also showed good sedimentation performance. PMFS was slightly better than polymeric ferric sulfate（ PFS）,removal rates of turbidity,dissolved organic carbon（ DOC） and total phosphorus（ TP） could reach96%,45% and 96% respectively. p H value had little effect on removal rate of seawater turbidity. But the acidic condition was more conducive to the remove of DOC and TP.

关 键 词：镁铁复合絮凝剂 絮凝处理 聚集状态 海水 

分 类 号：X703.5[环境科学与工程—环境工程]