简介:OnthebasisofMARKAL-MACROmodelof'Energy-Economy-Environment'systemandKeyfitzmodelofdemography,energydemandinChinainthefuturewascalculated.Threescenarioswereputforwardtakingintoaccountofenergyefficiency,energystructureandrestrictionofclimatechange.CO2EmissionsinChinawillreachpeakvalue11.85Gtin2042inreferencescenario;10.75Gtin2036inoptimizedscenario;and9.47Gtin2031inrestrictionscenarioofclimatechange.Comparewithreferencescenario,carbonemissionsinrestrictionscenarioofclimatechangewilldeclineby2.38Gt,andpeaktimewillbellyearsearlier.Withthedevelopmentofurbanizationandindustrialization,carbonemissionsfromelectricpower,cement,steelwillrisegraduallythengodown;butemissionsfromtrafficwillgoupcontinuouslybecauseoftheincreaseofvehiclefleet.
简介:摘要本文选取工业中油型加氢裂化催化剂开展了加氢裂化装置掺炼催化柴油模拟评价实验。实验结果表明,由于催化柴油芳烃含量较高,随着催化柴油掺炼比由5%提高至15%,在达到相同的单程转化率时,裂化剂反应温度提高了9℃;重石脑油馏分收率有所下降;芳烃潜含量提高了4.6%,航煤馏分收率虽提高了4.25个百分点,烟点降低3.9mm,柴油收率及性质影响不大。