252 Vol.25 No.220055SHANXICHEMICALINDUSTRYMay2005:2004-12-12:,,1971,2000,,,。 李德永, 武丽丽(太原科技大学化学与生物工程学院,山西 太原 030021):(、、、、、、、),(、、),()。:,;:TQ085+41 :A :1004-7050(2005)02-0018-031 、。,、、、、、,。、,、。,,、。、,,,,。,、、、,“”,,、、,。2 、。、、,。2.1 化学法2.1.1 [1](85%,)。pH10(10~12)。pH8HCNCNCl,。500mL/L。(CN1000mg/L),,CNCl,,,。、、,。191。,。,,,,。,,,。2.1.2 ,,[2]。FeSO4·7H2OFe2++SO2-4+7H2OFe2++6CN-Fe(CN)4-6DOI:10.16525/j.cnki.cn14-1109/tq.2005.02.0052Fe2++Fe(CN)4-6Fe2[Fe(CN)6],,。,,,92%~95%,2mg/L~4mg/L,,。1 /mg·L-1 NaCN+2NaOH+Cl2NaCNO+2NaCl+H2O2NaCNO+4NaOH+3Cl26NaCl+2CO2+N2+2H2O,,,。0.6 Ca(OCl)2+2H2O2HOCl+Ca(OH)22NaCN+2HOCl+Ca(OH)22CaCNO+CaCl2+3H2O2NaCNO+2HOCl2NaCl+2CO2+N2+H2,,,,。0.5 NaCN+NaOCl+H2OCNCl+2NaOHCNCl+2NaOHNaCNO+NaCl+H2O2NaCNO+3NaOCl+H2ON2+2NaHCO3+3NaClNaCNO+3H2ONH3·H2O+NaHCO3,,,。0.52.1.3 [3]H2O2。40℃,H2O237%,1h。::CN-+H2O2+CNOCNO-+H2OCN-+HCHO+H2OHOCH2CN+OH-:HOCH2CN+H2OHOCH2CONH2CNO-+2H2OH2O2NH4+CO2-3CN-+2H2OHCOO-+NH3,HCN,,。2.1.4 ,180℃HCOONaNH3。NaCN+2H2OHCOONa+NH3:,。,NH3,。,。2.1.5 :O3+KCNKCNO+O2KCNO+O3+H2OKHCO3+N2+O2,,。,10mg/L。,,。,。,1kgO312kW·h~15kW·h,。,。,。2.1.6 [4],:SXS2-+CN-SX-1S2-+SCN-X=1~4,(,CaSXS)。,,。,(2000mg/L)1h90%。。,,、。,,。,,、(20000mg/L~60000mg/L)。2.1.7 、,,[5]:NaCN+O2Na2O+CO2+NOX,,、。·19· 20055 , 2.1.8 [6],。,,50000mg/L。80℃~90℃,15A~45A,4∶1~5∶1:CN-+2OH-CNO-+H2O+2e2CNO-+4OH-2CO2+N2+2H2O+6eCNO-+2H2ONH+4+CO-3:Mn++neM,,,,。,,。,,,,。,,。,。2Cl-Cl2+2eCN-+Cl2+2OH-CNO-+2Cl-+H2O2CNO-+3Cl2+4OH-2CO2+N2+6Cl-+2H2O2.2 物理化学法2.2.1 ,[7]。,,。CN-、HCN,3mgCN/gAC~8mgCN/gAC(),。,,,,。,,,,,,,,。24.0mgCN/gAC(18h),5~8。(6000/t~8000/t),,,,。-,,。2.2.2 [3],,,。,,,。,。,,。,。、、CN-、Cu2+、Ni2+95%,。2.2.3 [3],,NaOH,。:CN-+H2OHCN+OH-HCN,NaOHNaCN,NaCN,,NaCN。NaCNNa4[Fe(CN)6],,。,、。、、。2.3 物理法[3]。,pH2~6,,。:1);2);3),;4),。,,,,,,。,500m3~1000m3,100。(下转第73页)·20· 20055BusinessAccountingoftheCapacityof4M16CompressorandReasonableRunningafterAlterationPANZe-xiao(ShanxiCokingCo.Ltd.,Hongdongshanxi041606,China)Abstract:Compressorisoneofmainequipmentsinsyntheticammoniasystem.Inthealterationofsyntheticammoniasystem,theca-pacityoftwoleavingunused4M16compressorsisanalyzedandaccounted.Asaresult,therunningstatusisconsistentwiththeory.Keywords:Compressor;Capacity;Businessaccounting(上接第20页) ,、。,250mg/L,,。,,,,。2.4 生化法,。、[8]。、,90%,0.5~0.8,。(10mg/L)[9]。、,、、、,。,,,,。-,。,。。,。,。,,。:[1] ,.[J].,1998,13(3):18~20.[2] ,.[J].,1989,9(2):98~102.[3] .[EB/OL].[4] ,,,.[J].,1996,16(5):276~279.[5] 《》.[M].:,1984.[6] ,,.[J].,1995,15(14):224~227.[7] , .[J].,1991,11(2):3~8.[8] ,.[J].,2001,10(4):331~332.[9] .[J].,2002,14(8):105~112.TreatmentMethodsofCyanideWastewaterLIDe-yong,WULi-li(CollegeofChemicalandBiologicalEngineering,TaiyuanUniversityofScienceandTechnology,TaiyuanShanxi030021,China)Abstract:Thisarticleintroducesvarioustreatmentmethodsofwastewatercontainingcyanideandgivessomeadvicesonhowtohandlethewastewatercontainingcyanide.Keywords:cyanidewastewater,wastewatertreatment·73· 20055 ,4M16