改性膨润土和海泡石在污水处理中的实验研究

412Vol.41No.220192ChinaEnergyandEnvironmentalProtectionFeb．20192018－09－28DOI10．19389/j．cnki．1003－0506．2019．02．025415730061972—1996。1962—2006。．J．2019412115-118．WuXiangdongFuYong．ExperimentalstudyonwastewatertreatmentusingmodifiedbentoniteandsepioliteJ．ChinaEnergyandEnviron-mentalProtection2019412115-118．121．4500002．454000400℃2h500℃4h。500mL15min12h150mLpH。pH8．09。∶1∶34.4。X703A1003－0506201902－0115－04ExperimentalstudyonwastewatertreatmentusingmodifiedbentoniteandsepioliteWuXiangdong1FuYong21．YellowＲiverSurveyandPlanningandDesignLimitedCompanyZhengzhou450000China2．CollegeofＲesourcesandEnvironmentHenanPolytechnicUniversityJiaozuo454000ChinaAbstractThebentonitewascalcinedat400°Cfor2handthesepiolitewascalcinedat500°Cfor4htoobtainmodifiedbentoniteandsepiolite．Mixthetwointo500mLofXinheSewageindifferentproportionsstirfor15minletstandfor12htake150mLofsuper-natantdeterminethepHvalueandturbidityandinvestigatethemodifiedbentoniteandsepiolite．Theeffectofsewagetreatmentontheratioandtheuseofnaturalbentoniteandsepioliteinthecorrespondingratioforsewagetreatmentasacontrol．TheresultsshowedthatafterusingmodifiedbentoniteandsepiolitemixedwaterpurifyingagentthesewagewasalkalineandtheaveragepHvaluewas8．09．Whenbentonite∶sepioliteis1∶3theturbidityisminimum4.4thetreatmenteffectisbest．Keywordsbentonitesepioliterationwastewatertreatment02070。McBride1。T．G．Danis23。Ｒ．Naseem150～200℃Pb2+96%4。5Zn2+。6。7CTMAB-0.5gCTMAB-Al500mL87.5%COD。、·511·20192418-12。300℃、、300～800℃1000℃。、、。、、500℃。13、。14-15、、。。、。1。。1.1。。1.2pH500mL。1.3、。、。400℃2h500℃4h。1.41。2。。316500mL15min12h。。4150mLpH。5。212。pH34。1、2。1Tab.1Detailedcompositionofeachgroupmodifiedmixture/mL/g/g∶15000.250.251∶125000.500.501∶135001.001.001∶145002.002.001∶155000.250.501∶265000.501.001∶275001.002.001∶285000.500.252∶195001.000.502∶1105002.001.002∶1115000.250.751∶3125000.501.501∶3135001.003.001∶3145000.750.253∶1155001.500.503∶1165003.001.003∶1·611·20192412Tab.2Detailedcompositionofeachgroupnaturalmixture/mL/g/g∶15000.250.251∶125000.500.501∶135001.001.001∶145002.002.001∶155000.250.501∶265000.501.001∶275001.002.001∶285000.500.252∶195001.000.502∶1105002.001.002∶1115000.250.751∶3125000.501.501∶3135001.003.001∶3145000.750.253∶1155001.500.503∶1165003.001.003∶13Tab.3EachdataofmodifiedsamplepHNTU18.105.628.088.238.136.848.148.658.056.768.017.778.075.388.039.8pHNTU97.939.0108.096.6118.164.4128.346.0138.087.1148.098.2158.0812.34Tab.4EachdataofnaturalsamplepHNTU18.0711.828.148.938.1615.348.1919.258.0815.568.1313.478.2220.088.1014.3pHNTU98.1013.1108.2013.0118.1015.6128.1316.3138.1625.0148.0811.5158.1512.7168.0822.0pH7.6465。pH41。1—4pH。pH6.5～8.5pH。。,.013,,,.,0,17:986;82*/2*-2*+1*254=1*11*32*,2*.1pHFig.1pHdistributionofwateraftertreatment+-./0+++-+.+/=6-*,*+**,.+..412398;75:;72Fig.2Turbiditydistributionofwateraftertreatment1pHpHpH。4∶=1∶1pH5—7∶=1∶2pHpH8—10∶=2∶1pHpH11—13∶=1∶3pH14—16∶=3∶1pHpH。2。2。。·711·20192411—4、11—13、14—16。。。21—8、11—14。120.5g1.5g80.5g0.25g4.45.3。∶=1∶3∶=2∶1∶=2∶1。2。31、。。20.5g1.5g500mL∶1∶315min12hpH7.648.166.81%414.483.18%。Ｒeferences1McBrideMBPinnavaiaTJMortlandMM．Adsorptionofaromat-icmoleculesbyclaysinaqueoussuspensionA．1997．145-154．2DanisTGAibanisTA．Ｒemovalofchlorinatedphenolsfroma-queoussolutionsbyadsorptiononaluminapillaredclaysandmeso-porousaluminumphosphatesJ．WaterＲes1998322295-302．3．D．2009．4．J．2007162100-102．HuGongrenYuＲuilian．LeadwastewatertreatmentusingmodifiedbentoniteJ．ChinaMining2007162100-102．5．J．2001204579-582．DingShuliPengSupingLiuQinpuetal．AffectfactorsadsorbingheavymetalusingbentoniteJ．PetrologyandMineralogy2001204579-582．6．、J．1992333-35．SunJiashouWuXiaoyun．Studyonadsorptionpropertiesofben-toniteforchromiumandphosphorusJ．Non-MetallicMines1992333-35．7．J．199420156-60．ZhuLizhongＲenJianshengZhangJianyingetal．DecolorizationofbentonitefordyeingwastewaterJ．WaterTreatmentTechnolo-gy199420156-60．8．J．201332178-80．LiDongChenHuajun．TheapplicationofsepioliteinthetreatmentofheavymetalwastewaterJ．IntroductiontoEnvironmentSci-ence201332178-80．9．——J．1993142-45．HangHu．Wastewatertreatmentbybentonite-adsorption-floccula-tionJ．EnvironmentScience1993142-45．10．J．20108428-33．XiaoLipingPanChunlinDengTegang．StudyontheapplicationofbentoniteinwatertreatmentJ．WaterＲesourcesandWaterEngineering20108428-33．11．J．200522318-19．SunChenguangGaoLijunSongHeietal．Studyontheapplica-tionofbentoniteinwastewatertreatmentJ．JournalofHebeiConstructionScienceandTechnologyCollege200522318-19．12．J．200831142-44．CaoJifeiYangQiurongLiYingjieetal．StudyontheclayfortheadsorptionofharmfulheavymetalsJ．EnvironmentScienceandTechnology200831142-44．13．、J．1993212139-144．GaoTingyao．StudyonadsorptionofbentoniteandsepioliteforbenzeneJ．JournalofTongjiUniversity1993212139-144．14．J．1990318344-346．NieLihua．SepioliteusedfortreatmentofwastewaterofleadandcadmiumandmercuryJ．ChemicalWorld1990318344-346．15．J．199111220-22．NieLihua．SepioliteusedfortreatmentofwastewaterofnickelJ．ElectroplatingandEnvironmentProtection199111220-22．·811·