SBR法处理屠宰废水氨氮升高原因分析及改进措施林晓利

:2006-11-03:(1964-),,,。SBRAnalysisonReasonsofAmmoniaNitrogenRisinginSlaughterWastewaterTreatmentbySBRandItsImprovedMeasures林晓利(铁岭市环境保护监测站　铁岭　112000)　通过对水中氮的内循环及氮支出的叙述,分析了屠宰废水经SBR法处理后氨氮升高的原因,并提出了改进措施。　　　　Abstract　Thearticledescribesthecirculateandexpendofnitrogeninwater,analysethereasonsofammonianitrogenrisinginslaughterwastewatertreatmentbySBRmethodandgivessomeimprovedmeasures.Keywords　SlaughterWastewater　AmmoniaNitrogen　ReasonsAnalysis　ImprovedMeasures　　,。,20。,,。,,,95%,,,,,。1　SBR,,、、、、、;,,,。(SBR),、、、5,。2　2.1　2.1.1　氨化作用-有机氮转化为氨氮　　,。。,。(C∶N)。(C∶N20),;(C∶N20),,。,。,。pH、、、。2.1.2　硝化作用-氨氮转化为硝酸盐氮　　,。。;。,,。—29—SBR　DOI:10.16803/j.cnki.issn.1004-6216.2007.02.009,;。2.2　。(1):、(、pH)。(2):,。,。(3):。pH,pH7.0～8.2,pH6.19.6。(2℃)。,N2O。N2ON2,。3　SBR(1)SBR,、,,、,,;,SBR,,SBR,。(2),,;,、,,;、,,、,。COD,,,。4　,SBRSBR,(SBR1),。(SBR2),,;,。(C/N)。C/N,,BOD515～20mg/L;C/N,。SBRCOD,C/N。,C/N。SBR,,。SBR1COD,SBR2COD,COD。,SBR2COD,,,,,。5　SBR,,,SBR。SBR,、、、。、,,。SBR,,。、、、。　　　1..SBR[J].,1993,9(2):29～31.2.,.SBR.,:2001[11].3.,.SBR[J].,2000,16(7):23～25.4.,.[J].(),2004,38(9):1235～1238.5..[M].:,1985.178～186.—30—　33　2　20074