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:1002-1124(2004)03-0056-031,2(11,150076;21,100029):,,SCS,,,,:;;:TQ223112+1:AStudyonpurifyforcoalgasZHOUHong-jun1,CHENXiao-chun2(11HarbinCoalGasifyingFactory,Harbin150076,China;21BeijingUniversityofChemicalTechology,Beijing100029,China)Abstract:ThelowtemperatureSCStechnologydesignedfromgermanyisusedforthesulfide-renovingprocessinpurecoalgasproduction.Theoperationalconditionsnowarenotsuitablefortheproductionsincethefeefhavetoandthequantityofthecoalgashavebeenbothchangedcomparingtothedesignedvalues.Soitisurgentthatweadjusttheop2erationalparameterstosuitthenewconditions.Basedonthediscussionofparameterswhichaffectedtheefficiencyofthesulfide-removingprocess,wehavegivenoutanoptimixingapproachwhichofferstherelafivelypesasibleoperationpa2rameters,andtheresultsarerachessatisfactory.Keywords:lowtemperaturemethanolwashingtechnology;optimizionofopeableparameters;sulfide-removingfromcoalgas:2004-01-12:,,1987,(),,,,,SCS,,,,,,1,,,:,,,,,:111,,,,112,,,,,,,,Sum102No13ChemicalEngineer20043113,,,,,,,,;,,,,114,,,5%,15%,;,,,,115,,,;,,,,,,116,,,,,,CO,,,,,CO,COCO,CO,CO,,,2,,211,,:(1);(2)CO2,,-55CO2,,,,,,,,CO2,,,212,,,,,211215MPa213,,,,,,,,,,,4000076000m3/h,150250t/h214,,,,,7520043::1002-1124(2004)03-0058-02,(,150001):1,3.,:1,3;;:O6231736:ASynthesisofchiraloxazaborolidinoneandthemechanisminasymmetric1,3-dipolarcycloadditionGAOKun,LIShu-dan(ChemistryandEnvironmentalCollege,HarbinUniversityofScienceandTechnology,Harbin150001,China)Abstract:Asymmetric1,3-dipolarcycloadditioncanbestronglycatalyzedbychiraloxazaborolidines1AseriesofTs-aminoacidderivedfromcheapandeasy-gotaminoacidsweresynthesized1Theywereusedtopreparedchiralox2azaborolidineinsituwithborane1Thispaperdiscussedthesynthesisofchiraloxazaborolidinesandthemechanismoftheasymmetricinduction1Keywords:1,3-dipolarcycloaddition;aminoacid;chiraloxazaborolidines,10,,C=OC=NC-C[1]1,3,2-:2004-01-26:(1976-),,-,,,,,1,3,2-1,3,,,,,,,,,,,,CO2,,,,215,,,,,,CO,,CO,CO3,,,1mg/kg,,9918%,,Sum102No13ChemicalEngineer20043