铝加工中废乳液的处理工艺改进

*650502、、。、、COD99%COD。TH177.2+2A1006－0308201503－0074－04TheTreatmentProcessImprovementofWasteEmulsioninAluminumFabricationLIANGＲui－pingLILuYunnanAluminumCo．Ltd．KunmingYunnan650502ChinaABSTＲACTThewasteemulsionisproducedfromtheproductionprocessofaluminumcastrollingboardbeltmaterialsandalloyithasthecomplexcompositionitisaspecialdifficult－to－handlewastewater．Thedemulsibilitytestiscarriedoutforthedifficult－to－handlewasteemulsionfromcastrollingboardbeltmaterialsalloyandthedemulsibilityconditionsareoptimizedthroughequip-mentupgradingwhichiseffectivelyimprovetheoilandwaterseparationefficiencyinthewasteemulsiontreatmentprocesstheCODremov-alrateisabove99%afterwasteemulsiontreatmentthedetectionresultsshowthattheoillengthandCODvalueintheliquiddischargedtothedraintankistotallymeetthenationaldischargestandardsrequirements．KEYWOＲDSwasteemulsiondemulsibilitytechnologyimprovementzerodischarge、。。2012。、。、、。、、。11.1。1。4720156443252YUNNANMETALLUＲGYJun．2015Vol.44．No.3Sum252*2014－07－011970－。1Fig.1Theoriginaltreatmentprocessflowchartofwasteemulsion1.210mg/L。2012。120131－4Tab.1ThedemulsibilitysituationcontraststatisticsinJan．toApr．2013/mg·L－1COD/mg·L－1/mg·L－1COD/mg·L－1COD/%/%1.3～1.251950054000154004200022211.25～2.17224006400018000510002019.62.17～3.102100061000174004900019173.10～3.311970055000161004500018183.31～4.2252100101000430008100019171.31。COD。、。22。2Fig.2Theimprovementtestfordemulsibilitybyacidprocess1.41。2。3、、、、、。1.530min。。215kg/t。57。∶15kg/t。2.11000mL20～80℃5℃。50～60℃2COD、。2Tab.2Thetemperatureconditionteststatisticaltableofdemulsibilityeffect%/℃2030354045505560657080COD/%21.027.542.562.071.377.582.285.586.186.386.5/%20.526.439.258.566.071.477.482.385.586.086.3220～60℃45～60℃65～80℃。2.2、55～60℃3COD、。3Tab.3Thetimeconditionteststatisticaltableofdemulsibilityeffect/min306090120180240300360COD/%23.025.128.433.039.248.559.263.3/%20.023.524.629.536.445.055.159.0355～60℃6h60%。∶15kg/t55～60℃、。、60℃、24h、。33.136kW60℃。1～2d60℃55～60℃。3.2→→→→→→、。20139、10、4。6720156443252YUNNANMETALLUＲGYJun．2015Vol.44．No.3Sum2524Tab.4Thedemulsibilitysituationstatisticaltablebynewprocess/mg·L－1COD/mg·L－1/mg·L－1/%COD/mg·L－1COD/%9.3～9.12197005500011899.444099.29.12～9.19185004900016699.1490999.19～9.2721500600008699.630099.59.27～10.75600010200016899.740899.610.7～10.14224006400017999.257699.14COD、≥99%≤200mg/L、COD≤1000mg/L。4、。→→→→→→→→、、。。1．J．20072784－7．2．J．200725822－24．3．．CNpat200610150760．6P．200810－29．4．J/OL．201127．69。3。1cm、、、3/4。15min、、、3/4。4。。5。1GB1499.2－20072S．2GB/T28900－2012S．3JJG139－1999、S．4GB/T228.1－20101S．77