对比COD与COD_(Mn)分析大分子有机物在給水处理系统中的去除与转化关系  

RELATIONSHIP BETWEEN REMOVAL AND TRANSFORMATION OF MACROMOLECULAR WEIGHT ORGANICS DURING WATER SUPPLY TREATMENT PROCESS BY CONTRASTING COD AND COD_(Mn)

作　　者：漆文光[1] 陆少鸣[1] 杨立[2] 

机构地区：[1]华南理工大学环境科学与工程学院,广东广州510640 [2]华南理工大学建筑设计院,广东广州510640

出　　处：《水处理技术》2006年第4期39-42,共4页Technology of Water Treatment

摘　　要：本文通过分析COD与CODMn差值的变化研究大分子有机物在饮用水深度处理工艺中的去除与转化关系。试验结果表明:常规混凝沉淀对大分子有机物有很好的处理效果;臭氧预氧化虽然有助于提高混凝效果,降低浊度,同时也因大分子被氧化为小分子,使混凝沉淀及砂滤对有机物的去除率下降。Studies on removal and transformation of macromolecular weight organics were carried out in this paper by means of analyzing the changes of COD and CODMn and their difference during drinking water advanced treatment process. It was indicated from the experiment that：macromolecular weight organics were removed greatly by general coagulation and sedimentation; although pre-ozunation would rebound to enhance the effectiveness of coagulation and reduce turbidity, the effectiveness of removing organics by coagulation, sedimentation and sand-filtration would be reduced as macromolecular weight organics were oxidized into small molecular weight organics by ozunation.

关 键 词：预臭氧氧化 混凝沉淀 大分子有机物 消毒副产物前质 

分 类 号：TU991.2[建筑科学—市政工程]