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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:qd-delin@sohu.com1 ,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 :
本文标题:宠物食品加工废水处理工程实例吕涛
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