含氰废水的脱氮处理米治宇

DenitrificationofWastewaterwithCyanideMiZhiyu(DaqingPetrochemicalRefinery)ABSTRACTMostorganicandinorganicnitrogencompoundsdischargedfromtheacrylonitrileunitintheRefineryofDaqingPetrochemicalCompanycouldbeconvertedintoamino-nitrogenundertheactionofbiochemicalconversion.Overamino-nitrogeninwaterisverydamagingtomankindandbionts.Sotheoldunitwasimproved,andthetechnologywaschangedinto“preliminaryanti-nitrationbiontdenitrogenationtechnology”.Byusingthisnewtechnology,nitrogencompoundinwastewatercanbeconvertedintomolecularnitrogen,whichisharmlesstomankindandcancomeoutofatmosphere.Thetestresultshowsthatthequalificationrateofamino-nitrogeninwastewaterdischargedfromtheimprovedunitisoverto95percent.KEYWORDSDaqingPetrochemicalRefinerycyanidewastewaterdenitrogenationtechnologynitrationreactionanti-nitrationreaction2112