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A2/O郭金华 韩文有 张继申( 056015) A2/O、,,、、NH3NCOD。 A2/O A2/OCoagulationSedimentationProcessforTreatingCokingWastewaterGuoJinhua HanWenyou ZhangJishen(CokingPlantofHandanIronandSteelCompany Handan,Hebei056015)Abstract A2/Ocoagulationsedimentationprocessisusedtotreatcokingwastewaterandtheresultshowsthatphenol,cyanide,HN3-NandCODvalueineffluentallreachthenationalstandards.Keywords cokingwastewater wastewatertreatment A2/Oprocess coagulationsedimentation ,,,A2/O、。。1 、1.1 ,,、,,,、,、、,,CODcr4~5g/L,NH3N200~500mg/L,[1,2]。130m3/h,()130m3/h,260m3/h。《》(GB1345692)。1。 1 mg/LCODcrNH3NSS~900~8~4000~400 ~90~700~18~3000~250 ~130≤0.5≤0.5≤150≤15≤70≤8≤0.5≤0.5≤150≤25 ≤101.2 ,1。1.3 ()、A2/O、。。(1)。、。;,3 (1)。(2)COD100~580mg/L,3h,COD100mg/L,GB8978-1996。COD77%,93.7%。(3)。53.4%,80.4%,15mg/L,GB8978-1996。(4)TP。1h,2h,TP2mg/L,GB8978-1996。TP51.4%,85.6%,。1 ,,,..,2001,16(2):25~272 HanqingYu,Joo-HwaTay,FrancisWilson.ASustainableMunicipalWastewaterTreatmentProcessforTropicalandSubtropicalRegionsinDe-velopingCountries.Wat.Sci.Tech.1997,35(9):1911983 ..:,19984 ..:,1989(:20040324)·13·2005313March2005 IndustrialSafetyandEnvironmentalProtection,,,,,、、,[3,4]。1 (2)。。、,,。(3)A2/O。、、(A2/O),、,,COD、NH3N。,,;,,,。,CO2、CO2-3、HCO-3,NH3、NH+4、NO2,NH3N,。(4)。,、SSCOD,[4]。,,,COD。JY202,,,。2 2。2 18min25m33.5m112min25m33.5m1HRT=7h910m324.9m×6.7m×5.5m2HRT=7h910m310m×9.6m×9.3m2HRT=14h1820m310m×9.6m×9.3m×22HRT=34h4420m350m×5.8m×5.2m2HRT=13h1960m325m220min50m37.8m×5.1m×3.8m23.5h525m314m23 ,93,,320035。 3 20035 mg/LCODcrNH3NSS395.894.31300070.1 400.040.171269.91834 (1)。,5;8,2,30。(2)。1546;:0.29/m3,0.70/m3,0.41/m3;0.09/m3,1.51()。(3)。,:NH3N131t/a;CODcr6.249kt/a。5 A2/O、,《》(GB1345692)。1 ,..,2002,25(4):48~492 ,..,2003,23(1):12~153 ..,2003,29(7):20~214 ..,2003,23(7):4~7:郭金华,男,1963年生,工作于邯郸钢铁公司焦化厂,主要从事焦化废水处理的技术与管理工作。(:20040421)·14·
本文标题:A2O混凝沉淀工艺处理焦化废水郭金华
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