维生素和酮苷生产废水中难降解污染物的溯源研究  

Trace to the source of refractory pollutants in vitamin and ketoside processing wastewater

作　　者：穆春芳[1,2] 刘锐 熊贞晟 李荧 袁星[2] 陈吕军[1,3] 

机构地区：[1]浙江清华长三角研究院生态环境研究所,浙江嘉兴314006 [2]东北师范大学城市与环境科学学院,吉林长春130024 [3]清华大学环境科学与工程系,北京100084

出　　处：《环境污染与防治》2010年第4期11-15,共5页Environmental Pollution & Control

基　　金：国家"十一五"科技支撑计划项目(No.2006BAC02A16);嘉兴市科技计划项目(No.2007AY1016)

摘　　要：研究了维生素和酮苷生产过程中各生产工段排水的生物降解特性,评价了各生产工段对生产废水中难降解有机物的贡献率,追溯了可能的难降解特征污染物。结果表明,维生素生产废水中的难降解物质主要来自W1-1、W1-3、W1-5和W1-6生产工段,甲醛、丁烯酮、醛酮聚合物和吡啶可能是导致生产废水难降解的重要原因;酮苷生产废水中的难降解物质主要来自W2-1、W2-3和W2-7生产工段,氯代有机溶剂和苯环类物质可能是导致生产废水难降解的重要原因。建议根据具体生产工段排水的水质特征,有针对性地进行物化处理,提高废水可生化性。The biodegradability of wastewater from vitamin and ketoside processing units was studied, and the devotion of each unit to the discharge of non-biodegradable TOC （ND-TOC） was evaluated. The main contributors were screened based on the mass balance of cleaner production assessments, and the possible ND-TOC substances were speculated. Study showed that ND-TOC in vitamin processing wastewater was mainly attributed to units of W1- 1, W1-3, W1-5 and W1-6. Formaldehyde, methyl vinyl ketone, keto-aldehyde polymer and pyridine were the possible primary causers. As for ketoside processing wastewater, ND-TOC was mainly derived from units of W2-1, W2-3 and W2-7. Chlorinated solvents and benzoic compounds might be the primary causers. Physical and chemical pretreatment are required to improve the biodegradability of wastewater from these refractory processing units.

关 键 词：维生素 酮苷 高浓度难降解 生产废水 可生化性 

分 类 号：X703[环境科学与工程—环境工程]