强化混凝处理长江原水工况参数优化研究  

Optimization of the Treatment Parameters of Yangtze River Raw Water by Enhanced Coagulation

作　　者：马世旭 瞿妍 奚旻辰 江夏 颜沛霜 邢海波 田富箱 MA Shixu;QU Yan;XI Minchen;JIANG Xia;YAN Peishuang;XING Haibo;TIAN Fuxiang(School of Chemical and Environmental Engineering,Shanghai Institute of Technology,Shanghai 201418,China;High School Affiliated to Fudan University,Shanghai 200433,China;Shanghai Nanhui High School,Shanghai 201399,China)

机构地区：[1]上海应用技术大学化学与环境工程学院,上海201418 [2]复旦大学附属中学,上海200433 [3]上海南汇中学,上海201399

出　　处：《应用技术学报》2019年第4期295-301,共7页Journal of Technology

基　　金：国家自然科学基金(51708353);上海高校青年教师培养资助计划(ZZZZyyx16010);上海应用技术大学引进人才基金(YJ2017-11)资助

摘　　要：以杨树浦水厂的现用水源——取自青草沙水库的长江原水作为研究对象,考察了强化混凝试验的各项工况参数如混凝剂投加量、溶液pH、助凝剂投加量等对水质净化效果的影响,测定的水质参数包括浊度、UV 254、UV 272、总有机碳(TOC)和总氮(TN)。混凝试验表明,最优实验条件如下:溶液pH为8,聚合氯化铝为最佳混凝剂且其投加量为4.5 mg/L,助凝剂投加量为0.1 mg/L时强化混凝效果最好。尽管对TOC(36.29%)以及TN(5.5%)去除效果较为有限,但可实现对浊度(90.19%)、UV 254(58.97%)、UV 272(64.76%)的有效去除效果,从而达到对原水常规净化处理并达标的目的。本研究成果可为杨树浦水厂既有水厂升级改造与工艺的优化运行提供有效的理论和技术支持。The various operating parameters of enhanced coagulation such as type and dosage of coagulants and pH on water purification effect for The Yangtze River raw water of Qingcaosha Reservoir,as current water source in Yangshupu drinking water treatment plant were investigated in this study.The Water quality parameters including degree of turbidity,UV 254,UV 272,total organic carbon(TOC)and total nitrogen(TN)were analyzed.The results illustrated that the optimal experimental conditions were as follows:the pH of the solution was 8,the polyaluminum chloride(PAC)was the best coagulant and its dosage was 4.5 mg/L,and the polyacrylamide(PAM)dosage was 0.1 mg/L,although for TOC(36.29%)and TN(5.5%)removal effect was limited,but the optimal removal rates of turbidity,UV 254 and UV 272 were 90.19%,58.97%and 64.76%,respectively,so as to achieve the purpose of conventional purification and standard compliance.The consequences of this paper can provide theoretical and technological basis for upgrading of the process and operation optimization of original drinking water treatment plants in Yangshupu drinking water treatment plant.

关 键 词：强化混凝 长江原水 聚合氯化铝 助凝剂 

分 类 号：X703.5[环境科学与工程—环境工程]