宠物食品加工废水处理工程实例吕涛

吕　涛(,266200)　　王可暖(,266200)郭长昊(,266023)　　--。,CODCr、BOD5SS2500mg/L、1600mg/L250mg/L,CODCr、BOD5SS70mg/L、15mg/L40mg/L,《》(GB8978-96)。1,、、。　　　　TheengineeringcaseofpetfoodprocessingwastewatertreatmentLuTao1　WangKenuan2　GuoChanghao3(1.JimoMunicipalEnvironmentalProtectionBureau,ShandongProvince,Jimo266200;2.JimoTechnicalSchool,ShandongProvince,Jimo266200;3.QingdaoDelinEnvironmentalEngineeringCo.Ltd.,Qingdao266023)Abstract　Thepetfoodprocessingwastewateristreatedbyhydrolysis-contactoxidation-airflotationpro-cess.TherunningresultsshowthattheprocesscanreduceCODCrfrom2500mg/Lto70mg/L,BOD5from1600mg/Lto15mg/L,SSfrom250mg/Lto40mg/L,andtheendeffluentqualitycanmeetthefirstgradeofnationaldischargestandards(GB8978-96).Afteroneyearandsixmonths′srunning,thetreatmentprocesshassuchadvantagesasstableperformance,highremovalefficiencyandsimplemaintenanceandmanagement.Keywords　hydrolysis;contactoxidation;airflotation;petfoodprocessingwastewater:2004-02-10;:2004-06-10:(1968～),,,。E-mail:[e-mail]1　　,1100t,:※※※※※※,、、,COD、BOD,、。--,2,《》(GB8978-96)。2　、2.1　110m3,20m3,150m3/d。2.2　,,,:COD=2800mg/L;BOD=1800mg/L;SS=300mg/L;pH=7～8。2.3　,《》(GB8978-96),COD≤100mg/L,BOD≤30mg/L,SS≤70mg/L,pH=6～9。3　1。4　1。57Vol.5,No.720047TechniquesandEquipmentforEnvironmentalPollutionControlJul.20041　Fig.1　Schematicoftreatmentprocess1　Table1　Mainstructuresandparameters(m3)()2(11),,461HRT=6h,,4013,HRT=18h,,1121100mg/LPAC,,40%201425　5.1　,。,。5.2　、、,[1]。,,,,、。,,。5.3　3,。50,45m3;35,35m3;25,30m3。COD1.8kgCOD/m3·d,40∶1。5.4　,,[2],。(PAC),100mg/L,。,40%。6　6.1　20025。2,、、,、。,,COD、BOD,。7d,30d,,,COD1100～1300mg/L,。,,10d、,22d、,,。1,,,、,。6.2　905,2。,《》(GB8978-96)。2　Table2　MonitoringresultsCOD(mg/L)BOD(mg/L)SS(mg/L)pH2512.61587.5275.27.567.514.638.77.210030706～9　　:2d,5,7　　--,1,,,。[1],..:,2000[2].().:,1996(上接第88页),,70%～75%。(3)UBF,,,。100d,,。(4),,,,,,CODCr、BOD5SS70%。(5),,,,。(6),pH,,,。5　900,、、、600,120,0.65/m3。6　、SS,,,-UBF-,《》(GWPB2-1999),。,。[1].———.,1999,15(12):41～42[2],,..,2002,22(4):54～55917　: