草浆木质素混凝剂处理印染废水的实验研究卢徐节

111221.4300562.312000CODCODX791A1673-0143201003-0034-03121t100t400t11.1COD5000~10000mg/L25%50pH=31052%20%pH=812310.020.050.0g/L1.2pH322.125%2%20100416(1974—)38320109()JournalofJianghanUniversity(NaturalSciences)Vol.38No.3Sep.2010201033510%10BJJ-4A722PHS-3C2.2pHCOD4%=A0A1/A0×100%.A0A1CODpH11pHA/gL1B/rmin1C/sD/minE1254501004020226500150503032755020060404286002507050535500150605063645010070407375502004030838600250502094555020070301046600250602011474501005050124850015040401355600250504014565502004050155750015070201658450100603032163COD56.2%65.3%pH=27g/L550200r/min60s40min2RARERBRDRCRpH1pH1COD363841pH=27g/L550200r/min60s40minCOD56.2%65.3%2pH3COD[1].[J].2000,20(1)14-18.[2].[J].2007,30(6)80-82.[3].[J].2005,25(4)35-36.[4].[M]4.:,2002.402pHABCDECOD11111150.0%56.3%21222237.5%41.7%31333356.2%65.3%41444450.0%67.3%52133435.7%40.1%62244335.7%39.8%72321228.5%37.7%82412121.4%30.1%93144226.3%37.4%103233121.0%31.2%113322426.3%36.8%123411321.0%32.4%134122325.0%35.9%144211410.0%26.3%154344110.0%29.2%164433215.0%30.5%K11.93851.37011.21011.08071.1062K21.21391.05351.09951.11481.0033K30.95321.07981.13981.29001.4360K40.60001.20221.25621.22011.1601M10.48460.34250.30250.27020.2766M20.30350.26340.27490.27870.2508M30.23830.27000.28500.32250.3590M40.15000.30060.31410.30500.2900R0.33460.07980.03920.05230.10824038tureionicliquidsforelectrochemistry,spectroscopy,andsynthesis[J].InorgChem,1982,21(3):1263-1264.[6],.N-[J].,2006,22(4):430-435.[7].[J].,2007,24(8):737-742.SynthesisCharacterizationandCatalyticPropertiesofStannousChloride-caprolactamIonicLiquidsPENGWang-ming,ZHANGYing(SchoolofChemistryandEnvironmentalEngineering,JianghanUniversity,Wuhan430056,Hubei,China)AbstractAnewionicliquidwassynthesizedwithstannouschlorideandcaprolactam.Theelectricalconductivitiesoftheionicliquidsatdifferentmolarratiosofstannouschlorideandcaprol-actamweremeasuredandthestructureoftheionicliquidswerecharacterizedwithUV.Whenthemolarconcentrationofstannouschloridewas0.53,theelectricalconductivitywas5400S/cm,andtheabsorptionwavelengthofC=Obondincaprolactamchangedfrom203.20nmto232.80nm,whichprovedthatthecarbonyloxygenatomsandmetalionshadbeencoordinated.Inaddition,eth-andandaceticacidwerecatalyticsynthesizedbytheionicliquid,andthereactionconductionswerestudied.Whenthemoleratioofethanolandaceticacidwas41,thereactiontemperaturewas94,theamountofcatalystwas5%ofthetotalmassandthereactiontimewas2h,theconversionrateofaceticacidwasupto81.20%.Keywordsionicliquid;caprolactam;stannouschloride;ethylacetate;esterificationrate;synthesis()(36)ExperimentStudyonTreatmentofPrintingandDyeingWastewaterUsingStrawPulpLigninasCoagulantLUXu-jie1,LIUQiong-yu1,LIUYan-xiang1,LILing-long2ZHANGMiao-jia2(1.SchoolofChemistryandEnvironmentalEngineering,JianghanUniversity,Wuhan430056,Hubei,China2.CollegeofLifeSciences,ShaoxingUniversity,Shaoxing312000,Zhejiang,China)AbstractThetreatmentofwastewaterfromprintinganddyeingisaproblemofgreatdifficultyandafocusofpublicattentionasaresultofitshighcolorintensityvariationofwaterqualityandpoorbiodegradation.Coagulantsarebecomingthemainwaterandwastewatertreatmentreagentsbecauseoftheirsuperiorefficiencyandrelativelylowercost.Inthispaper,ligninisextractedfromstrawpulppaper-makingblackliquior,whichisusedascoagulantfordecolorationandCODremovalinprintinganddyeingwastewater.Theexperimentalresultsshowthatligninisapromisingcoagu-lant.Goodtreatmenteffectisachievedintheexperimentusingstrawpulpligninascoagulant,whichnotonlyreclaimstheusefulmaterialsfromwastewaterinpaper-makingfactories,butalsocanpro-duceconsiderablesocialbenefitsandeconomicbenefits.KeywordslignincoagulantprintinganddyeingwastewaterCODcolor