乳化液废水处理方法

253Vol.25No.320036JournalofUniversityofScienceandTechnologyBeijingJune20032002–03–07,26,[1][2][3,4][5][6][7][8]11600m3COD7.25g/L28g/L12g/LpH6.4COD150mg/L10mg/L200mg/LpH7~91.15W251W25PAC,PAFCPHPPACPHPPAFCPHP2W25+PAC+PHP31~3W25NaOHPAC,PHP111211000832471000W25NaOH;;;X703.11Table1FilteringexperimentofemulsionbreakersCODcr/CODcr/%//%W25,1.283.400.9096.70S417.2.565.511.4095.00EFKEPK•204•200331.2400mL200mLW25PACPHPCODNaOH,PACPHPCODcrGB1191489[9]pH(1)W252W25CODW2583mL/LW25(2)NaOHNaOH1%22NaOH17mL/L(3)PAC10%PAC34PACCODPACCOD2Table2FilteringexperimentofflocculationandassistantsCODcr/CODcr/%//%PAC+PHP9.586.890.897.14PAFC+PHP10.585.510.996.783Table2FilteringexperimentofemulsionbreakersCODcr/CODcr/%//%W25,9090.533096.25NaOH65093.161698.00PAC+PHP14098.52998.87596775839199W25/1W25Fig.1EffectoftheamountofW25ondemulsification1113151719NaOH/2NaOHFig.2EffectoftheamountofNaOHondemulsification2123252729PAC/3PACFig.3EffectoftheamountofPACondemulsificationatthefirsttimeCODCODCOD305070907080901005060708090100/%/%/%Vol.25No.3•205•PAC25mL/LPAC17mL/L(4)PHP0.5%PHP5PHP3.5mL/L1.3(1)pHpH6,pH6~9CODpHpH6.46~9pH(2)500r/min3min40r/min5min2W25,PACPHPNaOH,PACPHPCODCOD120mg/L8.5mg/L30mg/LpH8.477Fig.7FlowchartofthetreatmentforwasteemulsionW25PACPHPNaOHPACPHP1315171921PAC/4PACFig.4EffectoftheamountofPACondemulsificationatthesecondtime2.03.04.05.0PHP/(5PHPFig.5EffectoftheamountofPHPondemulsification5678910pH6pHFig.6EffectofpHvaluseondemulsification/%/%CODCOD50607080901006070809010060801007090/%COD•206•200333(1)pH6~9W2583mL/LPAC25mL/LNaOH17mL/LPAC17mL/LPAM3.5mL/L500r/min3min40r/min5min(2)1,,.[J].,2000,26(98):272,,.[J].,2001,2(2):713,.[J].,2001,27(105):204.[J].,1998,5(4):335.[J].,2001,21(6):536,.[M].:,20007.[J].,2001(4):518,,.[J].,2002(1):1109,,.PNN[J].,2000,22(1):15MethodofTreatingWasteEmulsionLIZhengyao1),WANGLi1),SONGCunyi1),WANGQiaofang2)1)CivilandEnviromentalEngineeringSchool,UniversityofScienceandTechnologyBeijingBeijing100083,China2)IrrigatingbureauofLuhunReserviorofHenanProvince,Luoyang471300,ChinaABSTRACTTheexperimentaltreatmentofwasteemulsionofsomesteeltubecompanywasconductedusingthedemulsification,floationandcarbonadsorptionprocess.W25andSodiumhydroxidewereadoptedasemulsionbreakers.ThefinalwastewatercanreachthenationalstandardsofChina.KEYWORDSwasteemulsion;emulsionbreaker;wastewatertreatment;physical-chemicalmethod