聚氨酯合成革废水治理方案分析

(,235000):(PU),(BOD5/COD0.3),,,,,,,CODBOD5NH3-N,:;;:X703:B:1006-8759(2008)04-0041-03pHSSCODBOD5NH3-N56.5400250050025040069150150302580:pH,mg/L(PU),,,DMF(),COD2000mg/L,,,,,,(GB8978-1996)1200m3/d,,,:(1);(2),,,;(3),DMF,,,B/C,2(BOD5/COD0.3),,,,,,B/C,,,,,,,,:2008-03-06EnergyEnvironmentalProtectionVol.22,No.4Aug.,200822420088©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1),,,,,,(2),,BOD5/COD,,A/O,,,,,,,,(3),,,3,,A/O,,DMF,:(1)A/O,(2),60h,42©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3),100%50%(300%),,,,,(4),51,4(1):,=7.1m5.0m5.5m,HRT=20h,(2):,=4.1m4.5m5.5m,10h,,6.55m3/min(3):,,=4.5m2.8m5.3m,0.78m3/m2h(4):,=5.2m4.5m5.3m,HRT=12h,(5):,=8.0m5.0m5.3m,21h,(6):,=5.0m3.0m5.3m,0.65m3/m2h,o35mm(7):,=4.5m3.0m5.3m,0.94m3/m2h,o35mm5(E1):6%,136,,E1=13600006%365=223.56/d(E2):10%,E2=E110%=22.36/d(E3):49.48kW,28.11kW,592.64kWh,0.8,E3=592.640.8=474.11/d(E4):3,800,:E4=800330=80/d,:E=E1+E2+E3+E4=223.56+22.36+474.11+80=800.03/d,:E/200=4.0/m3;,E/200=2.77/m36PU,,,,COD92107mg/L,BOD52024mg/L,NH3-N1620mg/L,4652,(GB8978-1996),,,,22443©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.