常州某纺织园印染废水处理工艺改造研究张凤娥

5　3环境工程学报Vol.5,No.320113ChineseJournalofEnvironmentalEngineeringMar.2011张凤娥1　李　飞1　董良飞1　宋　伟2　涂保华1　李　稳1　赵玲萍1(1.,213164;2.,213000)　　,、,,/ClO2,,pH4、10g/L、ClO260mL/L,20min,ClO28min,COD20mg/L,30,,。　　　　ClO2　X703.1　　　A　　　1673-9108(2011)03-0589-04AstudyofdyeingwastewatertreatmenttechnologyinChangzhoutextileparkZhangFenge1　LiFei1　DongLiangfei1　SongWei2　TuBaohua1　LiWen1　ZhaoLingping1(1.SchoolofEnvironmentalandSafetyEngineering,ChangzhouUniversity,Changzhou213164,China;2.ChangzhouGoldenStateWaterCo.Ltd.,Changzhou213000,China)Abstract　ThisresearchisaboutaprintinganddyeingwastewatertreatmentplantinChangzhou,whichhassomedisadvantage,suchashighoperatingcostofcoagulationandsedimentationandactivatedcarbon,largequantityofsludge,andsoon.Asaconsequence,thisadvancedtreatmentprocessneedstobeimproved.Modi-fiedmagneticpowder/ClO2oxidationprocessisstudiedtoreplacetheoldadvancedtreatmentprocess.Thecon-tinuouslyresultsshowthatwhenpHisabout4,dosageofmodifiedmagneticpowderis10g/L,dosageofClO2is60mL/L,adsorptiontimeis20min,andthenoxidationtimeofusingClO2is8min,thetreatedeffluentCOD20mg/L,color30.ThequalityofeffluentislowerthanlimitsfordyeingwastewaterofJiangsuTaihuareasew-agetreatmentplants,andtheprocessiseconomicandreasonable.Keywords　dyeingandprintingwastewater;technologyimprovement;modifiedmagneticpowder;ClO2ox-idation:2010-01-27;:2010-03-23:(1945～),,,,。E-mail:[e-mail]　　,、,,,[1-2]。:※※※※。COD60～90mg/L,55～60,,(DB32/1072-2007),,。,,,,NaClO。1。1　Fig.1　Wastewatertreatmentplantprocess,,COD;,,;,。51。1　Table1　RawwaterqualityCOD(mg/L)pH()≤100011≤100060～907.8655～60607.520～30506～9401　1.1　,,,。[3-4],ClO2,2。2　Fig.2　WastewatertreatmentplantprocessClO2,;,ClO2,ClO2[5],ClO2。,/ClO2,,。;ClO2。1.2　ClO2[6],1.24～1.47mg/L。COD,、,COD,[7]。,,2%pH=4,20min,1.24～1.47mg/LClO2,8min,,。2　,,,。2.1　pH8,1.2,pH,3。3　pHFig.3　EffectofpHonremoval3,pH=4,COD,70%63.64%,pH,COD,ClO2;,。,,[8]。Fe2+Fe3+,,,pH4。2.2　2.2.1　磁粉投量对处理效果的影响6,1.2,,4。4　Fig.4　Effectofmodifiedmagneticpowderdosageonremoval4,,COD,10g/L,98.2%53.6%。5903:,,COD,,,,,[9]。10g/L。2.2.2　ClO2投量对处理效果的影响8,1.2,ClO2,5。5　ClO2Fig.5　EffectofClO2dosageonremovalrate7,ClO2,COD,81.2%60%,,,。,1.47mg/L,ClO28.82×10-2g/L。,ClO210g/L8.82×10-2g/L。2.3　2.3.1　吸附时间对处理效果的影响6,1.2,,6。6　Fig.6　Effectofmagneticadsorbingtimeonremovalrate,COD,20min,COD8.93mg/L,22,86.9%60%。COD,COD25min。,,,,COD[10]。,20min。2.3.2　氧化时间对处理效果的影响6,1.2,ClO2,7。7　ClO2Fig.7　EffectofreactiontimeofClO2onremovalrate7,8min,COD,,ClO2,。,8min。,20min8min。,,,,。,ClO288.2g/t,4/kg,0.353/t;0.5/t,0.853/t。1t0.4kW·h,kW·h0.5,0.2。1.053/t,。59153　　(1),,/ClO2,,。(2)/ClO2,,pH4,ClO210g/L8.82×10-2g/L(1.24～1.47mg/L),20min8min,COD94.56%60%。(3),2/t。,,。[1],..,2008,28(3):87-88[2]..,2005,(1):12-13[3],.Fe3O4B.,2004,24(3):435-439[4],,..,CN200810020645.6.2008.02.12[5],,,.ClO2/TiO2.,2007,29(4):303-305[6]..,2004,20(4):53-54[7]..:,2002[8],,,..,2007,23(13):83-86[9],,,.Fe3O4.,2007,24(1):52-54[10],..,2008,33(5):118-120592