dandwashedwithdistilledwater,followedbydryingatKforhandcalcinationatKforh.ThisprecursorwasthenreducedbyaflowofhydrogeninnitrogenatKforhandsuccessivelypassivatedbyoxygendilutedbyargon.TheBETsurfaceareaforthecatalystwas.m/g.ThecatalysthereisdenotedasCu/ZnO(A).Intheexperimentsusingreactantgasofdifferentcomposition,acommerciallyavailableICIcatalyst(ICI-)wasalsousedthroughthesamereductionpretreatment,denotedhereasCu/ZnO(B).TheBETsurfaceareaforCu/ZnO(B)was.m/g.Toconfirmtheinfluenceofthecatalystpassivation,atailor-madereactorwhereinsitureductionofthecatalystbeforeethanolintroductionwasavailable,wasusedtoperformthecatalystreductionandreaction;butnodifferenceinreactionbehaviorwasobserved.Sousingpassivatedcatalystreducedseparatelyhadnoinfluence.Inthereaction,aclosedtypicalbatchreactorwithinnervolumeofmLandastirrerwasused.Thestirringspeedofthepropeller-typestirrerwascare当低。
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