3池交替运行活性污泥法生物除磷脱氮的探讨李绍秀

3李绍秀　　　　　　　　　　　彭　勃　(,510643)　　　(,510060)　　3,、、。　3　　　BiologicalremovalofnitrogenandphosphorousbythreebasinsalternatelyoperatingactivatedsludgeprocessLiShaoxiu1　PengBo2(1.FacultyofConstructionofGuangdongUniversityofTechnology,Guangzhou510643;2.GuangzhouMunicipalEngineeringDesignandResearchInstitute,Guangzhou510060)Abstract　Theoperatingmodeofbiologicalremovalofnitrogenandphosphorousbythreebasinsalternatelyop-eratingactivatedsludgeprocesswaspresentedinthispaper.Theoratically,thedefinitionandcontrolofoperatingpa-rameterssuchasdisolovedoxygenandsludgeretentiontimewerediscussed,aswellastheeffectoforganiccarbonandnitrateonbiologicalremovalofnitrogenandphosphorousbythreebasinsalternatelyoperatingactivatedsludgeprocesswasstudied.Keywords　threebasinsalternatelyoperatingactivatedsludgeprocess;biologicalremovalofnitrogenandphos-phorous;operatingparameter;affectingfactor:2003-06-08;:2003-08-07:(1967～),,,,。E-mail:[e-mail]1　　,、。,,。,。、。3(UNITANK),、3。、,2090[1]。,、、、,,。,。,。UNITANK,UNITANK,。2　UNITANKUNITANK3,3,。3,。,。55Vol.5,No.520045TechniquesandEquipmentforEnvironmentalPollutionControlMay20043　UNITANK　　,。,、,。,UNITANK,、,。8(1)[2]。1　3Fig.1　Theoperatingmodeofbiologicalremovalofnitrogenandphosphorousbythreebasinsalternatelyoperatingactivatedsludgeprocess(1)Ⅰ。A,,。A,,()NO-x-N。NO-x-NN2,A。,,β(PHB)。AB。B,,AB。,BNH3-N。C。(2)Ⅱ。A。A。,A。,NH3-N,。BCⅠ。(3)Ⅲ。A。A,,A,,NO-x-N。BC。(4)Ⅳ。。B。A,,。BC。(5)Ⅴ、ⅥⅦ。C,A,B。Ⅴ、ⅥⅦCⅠ、ⅡⅢA。(6)Ⅷ。Ⅳ。B,A。A、BC3ⅣC、BA。83。4　UNITANK4.1　UNITANK,、()。,。、,UNITANK,DO0.2mg/L0.5mg/L,DO2～3mg/L。825UNITANKDO,。。。[2]。100mV,,;0,,(NO-3-N);-300mV,。,,,NO-3-N,,。,,“”[3]。,(),。,,。4.2　。。,,。,,()()。,,,。,,,。,,9～15d。4.3　　[3],,1.0mg/L,BOD5/TP20～30。[3],BOD5/TP15,。,,,。,BOD55～8,。UNITANK,,。BOD5150～250mg/L,TN20～50mg/L,TP3～8mg/L。UNITANK,Ⅰ、ⅢAⅤ、ⅦC,,,BOD5/TPBOD5/TKN。UNITANK。4.4　,。,,,;,NO-3,,。UNITANK,NO-x-N,,,,。5　　,UNITANK,,、。,。。[1]SEGRERSENGINEERINGWATER.UNITANK———Advancedtreatmentofindustrialandmunicipalwastewater,1996[2],,.———.,2001,27(11):27～29[3]..,1994,20(6):20～22835:3