简介：Inthispaper,theeffectofaddingdifferentconcentrationsofkineticinhibitorsontheinductiontimeofhydrogensulfidehydrateformationinareactorequippedwithautomaticadjustabletemperaturecontrollerisstudied.Anovelmethodnamely"suddencooling"isusedforperformingtherelevantmeasurements,inwhichtheinductiontimeofH2Shydrateinthepresence/absenceofPVPandL-tyrosinewithdifferentconcentrations(100,500,and1000ppm)isdetermined.Asaresult,PVPwiththeconcentrationof1000ppminaqueoussolutionisdetectedasamoresuitablematerialforincreasingtheinductiontimeofH2Shydrateformationamongtheinvestigatedkinetichydrateinhibitors.

简介：Effectsofspacevelocity,reactiontemperatureandsupportacidityonproductdistributionandinductionperiodin1-buteneisomerizationandmetathesisoverMo/mordenite-aluminawereinvestigated.Asrevealedbythecatalyticperformanceresults,inductionperiodandobjectiveproductwerecloselyrelatedtothereactionconditions.Lowerspacevelocityledtolongerinductionperiodandhigherpropeneyield.Theoptimalreactiontemperatureforpropeneproductionisaround150Canditshiftedto100Cforetheneproduction.1-Buteneauto-metathesispredominatedinthereactionnetworkifthesupportwithlowerdegreeofsodiumexchanged.Andpropenegraduallybecamethedominantproductuponincreasingthesupportsodiumexchangedegree.6Mo/H100Na0M-30Alcatalystwithasupportoffullsodiumexchangedegreeexhibitedthehighestpropeneyield.