摘要
以FeCl3.6H2O、AlCl3.6H2O和Na2HPO4.12H2O为主要原料,采用复合共聚生产工艺,首次制备了聚磷氯化铝铁(PPAFC)絮凝剂,并采用红外光谱及扫描电镜对其结构进行表征,可以推断磷酸根为接聚在PAFC上。考察了投加量、pH值、沉降时间和Al/Fe比等因素对PPAFC混凝性能的影响。与聚合氯化铝(PAC)和聚合氯化铝铁(PAFC)相比,PPAFC具有絮体大、沉降快、除浊效果好的特点,具有广阔的应用前景。
The polymeric phosphato aluminum-ferric chloride（PPAFC） flocculant was prepared for the first time using FeCl3·6H2O,AlCl3·6H2O and Na2HPO4·12H2O as raw materials according to compound co-polymerization.By infrared（IR） spectrum and scanning electron microscopy（SEM） characterization,it can be deduced that PPAFC is the product of polymerization of phosphate and PAFC.The effcets of the dosage,pH value,settling time,and ratio of Al/Fe on the coagulative performance of PPAFC were researched.Compared with polyaluminium chloride and polyaluminum ferric chloride,PPAFC has the feature of big flocs,fast settlement,and good turbidity removal,and has wide application prospects.
出处
《环境工程学报》
CAS
CSCD
北大核心
2010年第11期2547-2551,共5页
Chinese Journal of Environmental Engineering
