动态循环法测定可生物降解溶解性有机碳  

DYNAMIC CIRCULATING METHOD FOR MEASUREMENT OF BIODEGRADABLE DISSOLVED ORGANIC CARBON

作　　者：刘文君[1] 李福志[1] 王占生[1] 

机构地区：[1]清华大学

出　　处：《中国给水排水》1998年第6期8-10,共3页China Water & Wastewater

基　　金：国家自然科学基金;国家重点实验室基金

摘　　要：试验以葡萄糖和邻苯二甲酸作为易生物降解和难生物降解的代表有机物，研究了一种动态循环测定ＢＤＯＣ的方法，将待测水样不断循环通过生物载体反应器，使其中可生物降解有机碳充分降解，测定ＤＯＣ的变化以确定ＢＤＯＣ值。结果表明：①以动态循环法测定水处理流程和管网中ＢＤＯＣ的变化显示，水源水预氯化后ＢＤＯＣ增加了３１．５８％，出厂水加氯同样使ＢＤＯＣ增加；②动态循环测定ＢＤＯＣ的方法有测定时间短，能评价不同水源水是否适合采用生物处理技术的优点。Taking glucose and o phthalic acid as representative compounds of good and poor biodegradability respectively,a dynamic circulating method for measuring of biodegradable dissolved organic carbon (BDOC) in water is described in this paper.BDOC in water was degraded by circulating water through a biofilm reactor repeatedly and measured by calculating the change of dissolved organic carbon (DOC) of the water.The experimental results showed that:(1) the method was used to measure the change of BDOC in water purification process and in pipeline.The results showed that BDOC of source water increased 31.58% after pre chlorination;BDOC of finished water also increased after post chlorination.(2) This method had several advantages:short in analysis time and able to evaluate of feasibility of biological treatment process for different source water.

关 键 词：水分析 水质评价 生物可降解性 溶解性有机碳 

分 类 号：TU991.21[建筑科学—市政工程]