水体中不同相对分子质量有机质对饮用水消毒的影响_赵振业.pdfVIP

23 6 　　　　　　 Vol.23, No.6 2002 11 Nov., 2002 ENVIRONM EN TAL SCIENCE , , , , , , ( , , 　5 10640) :, , Amicon YC-05, YM-1, YM-3, YM-10, Y M-30, YM-100 Z M-500 , DOC, , DOM Cl ClO ., 2 2 DOM , 500 DOM DOM , ; DOM ., DOM T HMs . :(DBP);(DOM );;; :T U991.25　:A 　:0250-3301(2002)06-06-0045 Effect on Trihalomethane Forming for Different Molecular Weight Dis- solved Organic Matter in Water Resource Zhao Zh ny , Xiao Xianming, Li Li, Zhang W nbing, Ran Yong, Fu Jiamo, Sh ng Guoy ing (Guangzhou Institut of G och mistry, Chin s Acad niy of Sci nc s, Guangzhou　5 10640, China) Abstract:A raw w at r sampl was coll ct d from Guangzhou s ction of P arl Riv r to support xp rim nt studi s.Th sampl w r pass d through Amicon YC-05, YM-1, Y M-3, YM-10, YM-30, YM-100 and ZM-500 s ri s m mbran s aft r b ing pr tr at d.Th mol cular w ight distribution of th isolat for ach m mbran s w r analyz d, and th iso- lat s w r disinf ct d by chlorin and chlorin dioxid .Th r sults show d that th RO isolat w as th main dissolv d organic matt r (DOM )in th wat r sampl , which prov d that th w at r w as highly contaminat d by human activiti s, and it was th main THMs pr cursor in th disinf ction proc ss w ith chlorin and chlorin dioxid for all th isolat s. M anw hil , th disinf ction proc ss for wat r sampl contain DOM that its mol cular small r than 500 w r v ry diff r- nt from raw wat r. Keywords:disinf ction by-products (DBP);dissolv d organic matt r (DOM );drinking w at r;chlorin ;chlorin diox- id 　　THM s . , [6,7] , , 40%～80 %. THMs . THMs [1,2]