天津科技大学学报Issue(1)：62-66,5.DOI:10.13364/j.issn.1672-6510.20140006
黏土矿物为原料絮凝剂的制备及应用研究
Preparation and Characteristics of Flocculant with Clay Minerals as Raw Materials
摘要
Abstract
Inorganic flocculant was prepared with vermiculite and sulfuric acid as the modifier,and the obtained flocculant was characterized using scanning electron microscope(SEM)and X-ray Diffraction(XRD). The results of preliminary treat-ment test of turbid river water showed that the flocculant exhibited excellent flocculation. Furthermore,the influence of floc-culant dosage,pH,stirring speed and time,as well as settling time and temperature,were systematically investigated. It was found that the optimal flocculation can be obtained under the following conditions:temperature 30,℃,pH 8,flocculant dos-age 300,mg/L,rapid mixing of 2,min with 120,r/min,slow mixing of 15,min with 40,r/min,and letting stand for 20,min. The turbidity of water after flocculation could drop from 189.3,NTU to 0.6,NTU with the removal rate of 99.67%.关键词
矿物材料/絮凝剂/絮凝效果Key words
mineral material/flocculant/flocculation effect分类
资源环境引用本文复制引用
王昶,林鹏,豆宝娟,谈玉琴,王鑫..黏土矿物为原料絮凝剂的制备及应用研究[J].天津科技大学学报,2015,(1):62-66,5.基金项目
科技部专项课题(2011BAC11B05) （2011BAC11B05）
