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当前位置:首页 > 商业/管理/HR > 企业文化 > 复合絮凝剂对染料废水的脱色作用毕韶丹
ThedecolorizationofdyeingwasterwaterbyusingcompositeflocculantsBiShaodan,ShenChunxu(SchoolofEnvironmentalandChemicalEngineering,ShenyangUniversityofScienceandTechnology,Shenyang110168,China),(,110168)[](CMCTS)(PFC)。,PFCCMCTS。pH=5,CMCTSPFC90mg/L2mg/L。,93.8%,COD89.6%。[];;;;[]X703.1[]B[]1005-829X(2009)07-0057-03Abstract:Theapplicationofcompositionflocculantsofcarboxymethylchitosan(CMCTS)andpolyferricchloride(PFC)tothedecolorizationofdyeingwastewaterhasbeencarriedout.Thedyeusedisreactivedyewithsmallmolecularweight.TheresultsshowthattheeffectofusingPFCascoagulantaidisbetterthanthatofusingCMCTSalone.Theoptimalconditionsareasfollows:pH=5,CMCTSdosage=90mg/L,andPFCdosage=2mg/L.Undertheseconditions,therateofdecolorizationcouldachieve93.8%andremovalrateofCODreaches89.6%.Keywords:flocculant;carboxymethylchitosan;polyferricchloride;dyeingwastewater;decoloration、COD、,,,。、、。、、。、,、、,〔1〕,。(CMCTS),,、、,。CMCTS〔2-7〕。CMCTS(PFC),、,CM-CTS、PFC,。11.1721E();JJ-4();pHS-1()。:KN-R、,,100mg/L;(CMCTS),,10g/L;(PFC),0.5g/L;、、、,。1.25g30mL1h,32mL45%1h,,,12g4,60℃,3.0h。pH7,,75%29720097IndustrialWaterTreatmentVol.29No.7Jul.,200957——2009-07,29(7),,,。1.3200mL,pH,,1min,3min,,598nm,(η)。η=[(A0-A)/A0]×100%:A0、A———。1.4CODCODK2Cr2O7〔8〕。22.1CMCTS2.1.1CMCTSCMCTS,CMCTSpH4、5、6,1。1,CMCTS,,CMCTS110mg/L,,89.1%,,。CMCTS110mg/L。2.1.2pHCMCTSCMCTS110mg/L,HClNaOHpH,2。2,pH。CMCTS,pH,CMCTS,,H+,,。pH,,,CMCTS,。pH,CMCTS,,CMCTS、,,。pH4~6,pH5。2.1.3CMCTS,,,,,,,。4h,,,4h。2.1.4、CMCTS,,。,1min,3min,。2.2PFC2.2.1pHPFCPFC250mg/L,pH,3。3,pH,,pH5,。pH,,806040200345678pH/%2pHCMCTS70605040302010345678pH/%3pHPFC90858075708090100110120130CMCTS/(mg·L-1)pH=4pH=5pH=6/%1CMCTS58——2009-07,29(7)2/(mg·L-1)/%COD/%CMCTS11089.185.4PFCCMCTS-PFC35090+278.293.868.089.6(85),:Fe(OH)2+、Fe(OH)2+、Fe4(OH)84+,,。pH,,,Fe(OH)3、[Fe(OH)4]-、[Fe(OH)5]2-,,,。pH,pH4~6,pH5。2.2.2PFCPFC,4。4,PFC350mg/L,,。。350mg/L。2.3CMCTS-PFCCMCTS,PFC。2.3.1CMCTS-PFCCMCTSPFC,1。1,CMCTSPFC。CMCTS,PFC,PFC,。PFC,,,,CMCTS,,。PFC,。PFC,。PFC,CMCTS,,,CMCTS,,,,,。CMCTSPFC90、2mg/L。,,。2.3.2pH,pH,,pH=5,。PFCpH。2.4CMCTS、PFCCMCTS-PFC3,,2。2,CMCTS,。PFCCMCTS,。PFCCMCTS,,COD。3(1)CMCTS,、,767472706866200250300350400450PFC/(mg·L-1)/%4PFC1CMCTS-PFC01234565056.564.865.666.066.266.065.37080.289.191.491.591.592.091.89084.793.193.893.593.093.391.711089.193.687.887.386.484.182.913084.886.787.486.585.285.082.4CMCTS/(mg·L-1)/%PFC/(mg·L-1)59——2009-07,29(7)[](1968—),1990,。:13940159527,E-mail:bisd@163.com。[]2009-03-10(),:,3L-1。,。3.21685.03,173.38/a,1.61/t,,(360d):CODCr≥6454t,BOD5≥3772t,SS≥320t。4(1),,,,。(2),。[][1]GB/T18920—2002—[S].[](1980—),2005,。:13781846621,E-mail:wu8047@hncj.edu.cn。[]2009-03-20()≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥(59),,2009912—13。、、。、、、、、。:1200/,1000/,600/()。91()。:2009911,912—13。:(58):0512—82120888:(100011):010-64262499,64262348:010-64262348:zhaoxvming@yahoo.com.cn:、≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥≥COD。(2)PFCCMCTS,CMCTS。:,pH5,CMCTS、PFC90、2mg/L,COD93.8%89.6%。[][1],,.[J].,1999,85(2):8-10.[2],.[J].,2005,25(2):23-25.[3],,,.[J].,2005,27(5):50-53.[4],,.[J].,2007,30(9):86-88.[5],,.[J].,2006,22(2):223-226.[6].[J].,2002,24(2):210-212.[7],,,.[J].,2001,18(1):5-8.[8].[M].:,1997:211-213.2CODCrBOD5SS598435613243591249398UASB90562430906315BAF207450105mg/L··85——
本文标题:复合絮凝剂对染料废水的脱色作用毕韶丹
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