FCB退锡废水回收利用研究

25120122JournalofSichuanUniversityofScience＆EngineeringNaturalScienceEditionVol.25No.1[e-mail]1673-1549201201-0010-04FCB643000FCB、、、。。FCBX38APCB6×104m315%～18%1。。PCBPCB。1PCBPCB－、、、、、、、、、、、、、、、、、2。。100g/L、20～30g/L、20%－30%3。、、、。、。2PCB。PCB。Sn+HNO3+H2O→SnH2O62++HNO2SnH2O62+Fe3+/Fe2+、Cu2+/Cu+、HNO3/HNO2、O2/H2OSn4+/Sn2+SnH2O62+SnH2O64+SnH2O2OH4。α、βαβ。αβ。β。3、、、。2。、、、、。。4-5。70℃30%～40%。。6。、、。、。。7-870%。。。Man－SeungLee950%TBP。4、、、－、－、。10。。。、、。。、6HENKELLix9832/0.8/。———、、0.9/、1．2/0.7/、、、。———2619-20。201%0.7/、1.3/0.5/。6。、、PAM－Na2S3%～10%PAM0.75%～1%/+13-15。16-17、、。－。Man－SeungLee9－－50%TBPPbOH2pH1.5SnOH2。。。8、18－、10%。62%60%。。11251FCB5。6。。β－。。5pH6～10100℃～300℃150g/L～250g/L4～870℃～100℃2～51.2g/cm3～1.3g/cm3。。。1910%～15%100℃～110℃2～3。850℃～950℃2.0～2.588℃～92℃1.0～1.5。β－99%。。1。120pH3.5～9.01～2103℃～115℃30～304～9。。“”。。1。。2。311～2。β－α－。。。43。5421201221。、、。6PCB/PCB。PCB。。1．J．2001225211-213．2．P．12880752001-03-21．3．J．200834615-17．4．J．20031254-55．5．P．CN15304662004-09-22．6．P．CN15696442005-01-26．7．J．2007556-58．8．J．2006586-89．9LeeMSAhnJGAhnJW．RecoveryofcoppertinandleadfromthespentnitricetchingsolutionsofprintedcircuitboardandregenerationoftheetchingsolutionJ．Hydrometallurgy20037023-29．10JiangJiang-guoWangWei．StudyonthemechanismofpolymerchelatingagentcapturingheavymetalleadJ．EnvironmentalSci1997231-33．11．PCBJ．200013517-19．12．J．2001273172-173．13．PAM-Na2SJ．2004346-47．14．J．20031256-58．15FujiwaraS．Selectiveprecipitationofheavymetalsby25-dimercaptol-34-thiodiazoleJ．Bull．ChemSocJpn196437344-350．16．、P．CN1472362A2004．17．、P．14723622004-02-04．18KerrC．SustainabletechnologiesfortheregenerationofacidictinstrippingsolutionsusedinPCBfabrica-tionJ．CircuitWorld20043051-58．19．P．CN1014974582008-08-05．20．P．CN101532096A2009-09-16．StudyontheRetrieveandUtilizingofSpentTinStripperFromPrintedCircuitBoardZHANGLiLIUXing-yongSchoolofBiotechnologyEngineeringSichuanUniversityofScience＆EngineeringZigong643000ChinaAbstractSpenttinstripperfromprintedcircuitboardPCBindustryisoneofthedifficultlytreatedwastewaterwhichwillproduceseriousenvironmentalpollutionbecauseofitssignificantamountsofmetalsorganicacidandinorganicacidsuchastincopperironnitricacid．Ithasstrongcorrosive．Thecharacteristicandavailabilityofspenttinstripperwhichcanbeusedareintroduced．syntheticalrecyclingtechnologyanditsprogressofspenttinstripperarealsosummarized．Keywordsprintedcircuitboardspenttinstripperretrieveandutilizing31251FCB