简介:<正>NaYzeolitewasmodifiedthroughdealuminationwithoxalicacid,andtheHYzeolitewasobtainedbycalcinationofthemodifiedNaYzeolite.Thezeolitemoldingprocesswascarriedoutatambienttemperature(25℃),andtheinfluenceofsolid/fuelmassratioandadsorptivedesulfurizationtimeontheHYzeolitewereinvestigatedthroughtestsonstaticselectiveadsorptivedesulfurizationofFCCgasolinecontainingorganicsulfurcompounds(withaScontent=135ppm).ThesulfurcontentandsulphidetypesintheFCCgasolinewereanalyzedbyaGC2010sulfuranalyzerandaGC-SCDchromatograph.ThetestresultsshowedthatthemoldedHYzeolitewasbetterthantheunmoldedHYzeolite.AtastaticadsorptivedesulfurizationtimeonthemoldedHYzeoliteequatingto6hours,asolid/fuelmassratioof1:3,thesulfurcontentofFCCgasolinewasdecreasedto30ppm,andthedesulfurizationratewasequalto78%.WhenthebreakthroughpointofthemoldedHYwasequalto50ppm,themoldedHYzeolitewascapableofadsorbing4.86mgofsulfurpergramofadsorbent.AndtheregenerationrateofmoldedHYzeolitewasequalto98%.
简介:新疆油田车89井区产油量350t左右,油气中的硫化氢含量平均在1000mg/m3以上。含硫化氢的油气集输系统存在着硫化氢泄漏中毒、火灾等潜在危险。通过采用重大事故后果数学模拟方法,定量计算出车89井区集输系统在运行过程中发生硫化氢泄漏后的安全影响半径和发生火灾后的热辐射影响半径,为该井区集输系统建设过程中的安全防范提供了有针对性和实用性的依据,保证安全生产。