231 Vol.23 No.120032SHANXICHEMICALINDUSTRYFeb.2003N-503庞世平(同煤集团煤气厂,山西 大同 037003):N-503。、、、。:N-503;;:X784 :A :1004-7050(2003)01-0005-02 ,2000mg/L,5000mg/L。、、。,,200mg/L,,,。,80%~90%,。N-503,。1 1.1 萃取试验50mL250mL,,,,。1.2 分析方法“”,4-AAP,。2 2.1 萃取剂中N-503浓度对分配系数的影响N-503,,:2002-12-13:,,1967,1987,,,。,、、。,,,,N-503。,()1∶1,pH4.0,2000mg/L,N-5035%~95%,N-503(m)(k),1。1 N-503 1,N-5035%~40%,,。,,,;,N-503,。N-50320%。2.2 进水pH对分配系数的影响2(6)1∶1、DOI:10.16525/j.cnki.cn14-1109/tq.2003.01.004N-50320%,pH。2,pH1~4,,pH,,pH,,,N-503pH5。2 3 2.3 油水比对分配系数的影响pH4.0,3。3,。,;,。,,。,1∶1。2.4 温度对萃取效果的影响,,,;,。,,。,,35℃。2.5 萃取和澄清时间对萃取效果的影响451∶1、pH4.0,。4、5,,2min,,pH5,1min。,5min,10min。4 5 2.6 萃取前后废水中有关成分的变化,,1。1 /mg·L-1/mg·L/%235058.539.297.5323183.537.797.4COD2268448013.7278.8BOD5798114204.6282.2 255842.0467.1NH3N15011455--()1050820-21.9 ,N-503,37.3,97%,200mg/L,。,COD、BOD5,。3 (下转第12页)·9· 20032 ,N-503 d)4#,,,,,。e)、,,。5 、,,、。:[1] .,6[M].:,1993.[2] .,3[M].:,1993.[3] .、[M].:,1997.[4] .[M].:,1991.FormulationoftheRubberMaterialoftheRubberStandsFANZai-chun(TheHeadCo.ofTiangongofTaiyuanRailwayGroup,ShanxiTaiyuan030009,China)Abstract:Thispaperdescribedtheprincipleofdesignfortheformulationoftherubberstandsandtheprocessoftheexperi-mentation.ThestandspreparedaccordingtothisformulationhadpassedthetestbyTheMinistryofRailwayandTheMin-istryofCommunication,andwasawardedthequalityattestationbythetwoministries.Therubberstandshadalsogainedthecustomer′sgoodopinion.Keywords:stands;rubber;formulation;disign(上接第9页),N-503,,,,。10%NaOH,,,。:[1] .[J].,1991(1):7~15.[2] .N-503[J].,1991(7):37~38.[3] .[J].,1999(2):80~83.[4] .[J].,2001(3):174~177.StudyonTreatmentofCoking-PlantWastewaterbyExtractionProcesswithN-503PANGShi-ping(DatongCoalMiningCo.Ltd.,ShanxiDatong037003,China)Abstract:ThecokingplantwastewaterwasextractedwithN-503.Theinfluenceofthecompositionofextractant,theratioofoiltowaterandtheacidityofthewastewateronthedistributioncoefficientwereinvestigated.Theeffectofextractiontemper-atureandtimeonphenolremovalwerealsostudied.Keywords:N-503;extraction;phenol-containingwastewater·12· 20032