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PID李 亚,张洪燕(河北邯郸市环境保护局,邯郸 056002) :PID、。,、,4h。,,。,3.0-5.5g/L、15-30d、0.6-0.9kg(MLSS)/kg(BOD)·d、26g(N)/kg(MLSS)·d。:;;PID;:X703 :A :1002-1264(2001)05-0041-02StudyonPIDTechnologyinLeachateTreatmentofDomesticRefuseLIYa,ZHANGHong-yan(HandanEnvironmentalProtectionBureauofHebaiProvince,Handan056002,China)Abstract:PIDisatechniqueusedforimprovingnitrogenandphosphorousremovalinwastewatertreatment.Itusual-lyconsistsoftwoorthreeoxygenditcheswhicharestandinginthestatesofaerobic,anoxicandsedimentationperi-odically.Theresultshowedthatthetreatmentefficiencywasgoodwithlowercost.Themajortechnologicalparametersincludesludgeconcentrationof3.0-5.5g/L,sludgeretentiontime(SRT)15-30d,sludgeyield0.6-0.9Kg(MLSS)/Kg(BOD)5·d,denitrificationrate26g(N)/Kg(MLSS)·d.Keywords:leachatetreatment; oxidationditch; PIDtechnique; domesticrefuse1 PIDPID(PhasedIsolationDitch)[1]。,、。PID23,、,()(),1。DN: N: S:1 TPID4h,A、D0.5h,B、E1.5h,C、F0.5h。,,,、。PIDT,,3.0-5.5g/L、15-30d、0.6-0.9(MLSS)/kg(BOD)·D、26g(N)/kg(MLSS)·d。2 PID2.1 PID,1200t/d,43.8t。950m3/d,COD=2500mg/L,SS=600mg/L,BOD5=1600mg/L,15349.05,51.09hm2。,。2.1.1 2。2 PID3,41145200110URBANENVIRONMENT&URBANECOLOGYVol14,No.5Oct. 2001 :2001-06-15、、。,。2.1.2 :、。50m,4m,,,,100QW65-15,,。Q=65m3/h,H=15m。。(UASB),8m,8m,0.5m,,15kgCOD/m3·d。,CODBOD,,,。:33m,12m,3m,,MLSS=4000mg/L,MLVSS/MLSS=0.7。,,,。(B=6mN=22KW),,,。:8m,3m,,0.7m3/(m2·h),、。:8.7m,6m,1.5m,,1h。,,COD、BOD5,,,,15mg/L,1h。。。,,,600g/h。:,,,、。,。,,、。,。3 PID3.1 ,PID,(1),《》《》《》。 1 mg/LBOD5CODcrSSTPNH3-NTN160025006009.21943.65621822.381.030.711.8(%)96.591.2896.2788.896.3272.5415030020025,。,BOD52.86,BOD/TN3-5。,,,BOD/P10-20,。,。,。PID,,2mg/L,30%-50%。3.2 PID30%-50%,57%-96%。,,,15%-20%。,PID。[1] .、[J].,1992,14(1):20.:(1959-),,,,、,,,、,20。42 145 2001