乙二胺-N,N'-二琥珀酸（EDDS）及其他螯合剂的生物降解性。
Biodegradabilities of ethylenediamine-N,N'-disuccinic acid (EDDS) and other chelating agents.
作者信息
Takahashi R, Fujimoto N, Suzuki M, Endo T
机构信息
Department of Brewing and Fermentation, Faculty of Agriculture, Tokyo University of Agriculture, Japan.
出版信息
Biosci Biotechnol Biochem. 1997 Nov;61(11):1957-9. doi: 10.1271/bbb.61.1957.
Biodegradabilities of chelating agents were tested with activated sludge. Ethylenediaminetetraacetic acid (EDTA) remained intact in the effluent even after acclimation for 100 days, but propanediamine-N,N'-disuccinic acid (PDDS) and nitrilotriacetic acid (NTA) were biodegraded after acclimation for 5 and 23 days, respectively. Optical isomers of ethylenediamine-N,N'-disuccinic acid (EDDS) had different biodegradabilities: SS- and RS-isomers were susceptible to biodegradation, but the RR-isomer was resistant. SS-isomer was degraded even by activated sludge without acclimation.
使用活性污泥测试了螯合剂的生物降解性。即使经过100天的驯化，乙二胺四乙酸（EDTA）在流出物中仍保持完整，但丙二胺-N,N'-二琥珀酸（PDDS）和次氮基三乙酸（NTA）分别在驯化5天和23天后被生物降解。乙二胺-N,N'-二琥珀酸（EDDS）的旋光异构体具有不同的生物降解性：SS-和RS-异构体易于生物降解，但RR-异构体具有抗性。即使未经驯化的活性污泥也能降解SS-异构体。
Zotero 插件