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、、。、。2。SS、COD90%。+++。[1-3]。、。COD[4-5]。11.1。PAM。COD927mg/L。1.2[6]CTMAB[7-8]。。1.375μm。CTMABCOD。。40℃120r/min3g100mL2h[9]。1.4GB11914－1989[10]。22.140℃、130r/min、1hCTMAB1g/L、10mL100mL24h。0、0.5、1.0、1.5、2.0、2.5、3.0g11121.1000832.100120CTMABCOD。2.5g0.06g/100mL50℃、75min。COD78.96%。CODX793A1000-3770(2014)10-0068-0032014-02-131975－、、、13671075231terdi@sina.com4010201410TECHNOLOGYOFWATERTREATMENTVol.40No.10Oct.,2014671。1COD。2.5gCOD84.2%。COD。2.5g。2.2。40℃、130r/min、1h2.5g、100mLCTMAB1g/L24hCTMAB。CTMAB20、30、40、50、60、70mLCOD1。1CTMABCOD。CTMAB60mLCOD71.8%。70mLCOD。CTMAB60mL2.5g。2.3130r/min、1h2.5gCTMAB1g/L、60mL2h100mL。30、35、40、45、50、60℃。COD2。2COD。50℃COD75.3%。COD。25℃CODCOD。260℃CODCOD。50℃。2.4130r/min、50℃2.5gCTMAB1g/L、60mL24h100mL5、10、20、45、50、60、75、100min。COD2。2COD。75minCOD75min80.04%。COD。75min。75min。2.5[5]。50℃、75min、130r/min2h100mL2.5g。23。2CODTab.2TherelationcurveofCODremovalrateandthetemperatureθ/℃303540455060/%9.841.268.275.175.369.01CODTab.1TherelationcurveofCODremovalrateandthecoagulantdosageV/mL203040506070/%41.254.464.161.371.866.81CODFig.1TherelationcurveofremovalrateofCODandtheattapulgitedosage0.00.51.01.52.02.53.03.5020406080100/%m/g2CODFig.2TherelationcurveofCODremovalrateandthetime020406080100020406080100/%t/min401068STUDYONAPPLICATIONOFCOAGULANTINPAPERMAKINGWASTEWATERTREATMENTLiTianxin1,JiaoYuanyuan1,YangWenwen1,GuWeimin2(1.CivilandEnvironmentalEngineeringSchool,UniversityofScienceandTechnologyBeijing,100083;2.InstituteofUrbanConstruction,100120:Beijing,China)Abstract:Givenseveralprocessparametersincludingtheamountofattapulgite,thematchingamountofcoagulantaids,oscillatingtemperatureandoscillationtime,wetakeadvantageofthetreatmentprocesswhichcombinesadsorbentmaterial-attapulgiteCTMABwithpolymercoagulanttoachievethebiochemicaldegradationofpapermakingwastewater.Singlefactorexperimentalresultsshowthat,thebestvalueoftheinfluencingfactorsis:2.5gofattapulgite,matchingcoagulantaids0.06gper100mLofwastewater,thereactiontemperatureis50℃,thereactiontimewas75min.TheremovalrateoftheeffluentCODis78.96%,theeffectissimilartothetreatmenteffectofthehighqualityactivatedcarbon,however,thecostwasmuchlower.Keywords:attapulgite;papermakingwastewater;theremovalrateofCODCOD。。3———。2.5gCTMAB0.06g/100mL。50℃75min。COD78.96%COD80.04%2。[1]JieCheng,DanHu,DefangZeng.Preparationandstudyofacompositeflocculantforpapermakingwastewatertreatment[J].JournalofEnvironmentalProtection,2011,2(10):1370-1374.[2],,.[J].,2013,32(5):92-97.[3],,.-TiO2[J].,2006,21(2):102-106.[4],,,.[J].:,2008,25(2):78-81.[5]LinQintie,PanHanping,HuangHaoping,etal.Flocculationmechanismbyanovelcombinedaluminum-ferrous-starchflocculant(CAFS)[J].WaterScienceandTechnology,2012,65(12):2169-2174.[6]YiLiu,WenboWang,YelingJin,etal.Adsorptionbehaviorofmethylenebluefromaqueoussolutionbythehydrogelcompositesbasedonattapulgite[J].SeparationScienceandTechnology,2011,46(5):858-868.[7],,.Cr()[J].,2005,24(4):403-407.[8]YuancaiLv,ChenTian,AiYan,etal.Preparationofactivatedcarbonsupportednano-TiO2photocatalystmaterialanditsapplicationinpapermakingmidcoursewastewater[J].AdvancedMaterialsResearch,2011,311/313:1446-1450.[9],,,.[J].,2004,26(6):237-239.[10]GB11914－1989[S].92718519580.0478.963Tab.3ContrastoftreatmenteffectofthepapermakingwastewaterCOD/%COD/(mg·L-1)STUDYONTHEREMOVALOFANTIBIOTICSINAQUATICENVIRONMENTBYIRONLOADEDBIOCHARLeiCaihong1,ZhangLeguan2,LiBingtang2(1.HangzhouPolytechnic,Hangzhou311402,China;2.SchoolofEnvironmentalScienceandEngineeing,HuazhongUniversityofScienceandTechnology,Wuhan430074,China)Abstract:Thebiocharwasmodifiedbyhightemperaturesteamactivationandvaporphasedeoxidation,thenitwasusedtoadsorbedantibioticsinaquaticenvironment.Theadsorptionsaturationmodifiedbiocharwasregeneratedbymicrowaveirradiation.Influencefactorsinprocessofadsorptionanddesorptionwereinvestigated.Theresultshowedthatwhenthetemperature,initialmassconcentrationofTCandabsorbentdosagewas20℃,100mg/Land0.40g/L,respectively,theremovalratecouldreach97.43%.Theoptimumregenerationconditionwasasfollows:theirradiationpoweris400W,theirradiationtimeis2min,andtheconcentrationofmodifiedbiocharis30%.Inaboveconditions,theadsorptioncapacityoftetracyclinebygeneratedbiocharwas98%ofthatbytherawmodifiedbiochar,andtheregenerationrateis94.01%.Keywords:biochar;load;Fe0;antibiotics;microwaveregeneration62!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!69