罐头食品加工废水处理工程改造高光智

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高光智1, 赵 仁2, 陈辅利1(1.大连水产学院土木工程学院,辽宁大连116023;2.大连灏源环境工程有限公司,辽宁大连116023)   : 罐头食品加工废水成分复杂,水质经常因加工品种变化而剧烈变化。以生物接触氧化作为预处理,再经过土地处理,整个流程运行稳定,处理效果好,出水各项指标均达到《污水综合排放标准》(GB8978—1996)的一级排放标准。  : 罐头食品废水; 接触氧化; 土地处理:X506  :C  :1000-4602(2009)10-0066-03ReconstructionofWastewaterTreatmentProjectofCannedFoodProcessingGAOGuang-zhi1, ZHAORen2, CHENFu-li1(1.CollegeofCivilEngineering,DalianFisheriesUniversity,Dalian116023,China;2.DalianHaoyuanEnvironmentalEngineeringCo.Ltd.,Dalian116023,China)  Abstract: Thecomponentsofcannedfoodprocessingwastewaterarecomplicated,andthewastewaterqualitychangeswiththeprocessingvariety.Withthepretreatmentofbiologicalcontactoxida-tion,thelandtreatmentresultisstableandeffective,andallindexesreachthedischargestandard.  Keywords: cannedfoodwastewater; contactoxidation; landtreatment  ,、、,。,,。(),,,,《》(GB8978—1996)。1 罐头食品加工废水的特点,。:COD600~1800mg/L、BOD5400~1300mg/L、NH3-N15~57mg/L、SS180~260mg/L、0.8%~21%、40~600,pH5~14。、、、,。① 、、,:※※※※※※※※※※※※。,,COD(600mg/L)SS(200mg/L),pH5.5~6.5,25℃。② ,:※※※()※※※※※※※※※。,COD、SS,COD600~1500mg/L,SS220~270mg/L,pH5.5~14。③ ·66·第25卷 第10期2009年5月            中国给水排水CHINAWATERWASTEWATER             Vol.25No.10May2009,:※※※※※※※※※※※※※※※※※。,COD、SS,COD600~1200mg/L,SS180~230mg/L,0.1%~0.4%。④ ,:※※※※※※※※※※※※※。,COD、SS,COD600~800mg/L,SS180~210mg/L,300~600。2 改造前的废水处理设施,《》(GB8978—1996)。600m3/d,,1。1 FIg.1 Flowchartofsewagetreatmentprocessbeforereconstruction,,;,;,。:①MLSS,MLSS2000mg/L,MLSS1000mg/L,HRT,;②,,;③,,;④,,MLSS;⑤、,。3 废水处理设施的改造,。800m3/d,2。,7h,;,,,18h;。2 Fig.2 Flowchartofsewagetreatmentprocessafterreconstruction,,,,。,;1g/cm3,,,。2.2h,,。3。3 Fig.3 Structureoflandtreatmentsystem,,,。,,。80m,10m,1.5m,1200m3,36h。0.8m,。、,。4 运行结果,,1。51h,4,8·67·高光智,等:罐头食品加工废水处理工程改造第25卷 第10期。,。,,。COD82%~85%,COD42%~49%。,,。,。1 Tab.1 MonitoringresultsofwastewaterqualityafterreconstructionCOD/(mg·L-1)/(mg·L-1)SS/(mg·L-1)/%pH/604124387677227.632.738.628.41672231971820.060.070.370.066.511.46.36.7568064550597122689268724.333.940.230.21822171841770.060.070.360.066.411.66.26.652786650086.720617313811.421.624.914.546.450.249.846.30.060.070.290.067.08.86.96.938444022082.418315711210.819.822.723.842.347.647.047.20.060.070.270.067.18.67.07.140444219049.692.789.464.26.713.413.98.917.223.020.519.00.060.070.190.067.27.97.07.13036323847.293.591.259.66.312.112.87.616.718.921.120.30.060.070.200.067.28.07.17.134323440  、、、。4,1.55m,,1、5、。,[1],。4 Fig.4 Monitoringresultsofdegradationinlandtreatmentsystem5 结论① ,。② ,,,,,;。③ ,。:[1] ,,,.[J].,2008,24(2):46-51.:(0411)84762602 13898669528E-mail:guangzhigao38@hotmail.com:2009-01-06·68·第25卷 第10期              中国给水排水            

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