劣质催化裂化柴油综合利用技术研究进展
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摘要
催化裂化柴油硫含量高,芳烃含量高,十六烷值低,是较为劣质的柴油组分。通过加氢方法一般可以实现催化裂化柴油的大幅改质,但芳烃加氢饱和对提高中间馏分油的十六烷值有限。催化裂化柴油已成为限制企业柴油质量升级的关键。针对国内外车用柴油质量升级趋势,以劣质催化裂化柴油高值化和清洁化利用为出发点,综述劣质催化裂化柴油综合利用技术的研究进展,分析劣质催化裂化柴油加氢改质后调和柴油的劣势,重点介绍由劣质催化裂化柴油生产低碳芳烃或高辛烷值汽油的工艺技术,提出利用催化裂化柴油富含芳烃的特点,加氢后生产高辛烷值汽油或轻质芳烃是最具竞争力的加工路线。下一步的工作重点是进一步提高现有技术芳烃加氢饱和与侧链断裂选择性,提高低碳芳烃产率,减少低值副产物,使经济效益最大化。
Catalytic cracking diesel oil has relatively inferior diesel composition due to its characteristics of high sulfur content,high aromatic content and low cetane number. The upgrading of diesel oil can generally be realized by hydrogenation method,but the improvement of cetane number is limited. Therefore,catalytic cracking diesel oil has been the key to limit diesel quality upgrading of refinery. For the purpose of quality upgrading,high-value and clean utilization of catalytic cracking diesel oil,the latest advances in the comprehensive utilization technologies of catalytic cracking diesel oil were reviewed. Technologies for producing low-carbon aromatics and high-octane gasoline from inferior FCC diesel oil were emphatically introduced.The technology route of hydro-upgrading was not suitable for FCC diesel oil. However,the technology of producing low-carbon aromatics and high-octane gasoline from FCC diesel oil with rich aromatics was the most competitive route. For the purpose of economic benefit maximization,the research in future were focused on the further improvement of the selectivity of aromatic hydrogenation saturation and the side-chain scission,the enhancement of low carbon aromatics yield,and the reduction of low-value by-products.
Catalytic cracking diesel oil has relatively inferior diesel composition due to its characteristics of high sulfur content,high aromatic content and low cetane number. The upgrading of diesel oil can generally be realized by hydrogenation method,but the improvement of cetane number is limited. Therefore,catalytic cracking diesel oil has been the key to limit diesel quality upgrading of refinery. For the purpose of quality upgrading,high-value and clean utilization of catalytic cracking diesel oil,the latest advances in the comprehensive utilization technologies of catalytic cracking diesel oil were reviewed. Technologies for producing low-carbon aromatics and high-octane gasoline from inferior FCC diesel oil were emphatically introduced.The technology route of hydro-upgrading was not suitable for FCC diesel oil. However,the technology of producing low-carbon aromatics and high-octane gasoline from FCC diesel oil with rich aromatics was the most competitive route. For the purpose of economic benefit maximization,the research in future were focused on the further improvement of the selectivity of aromatic hydrogenation saturation and the side-chain scission,the enhancement of low carbon aromatics yield,and the reduction of low-value by-products.
引文
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[20]钱斌,孔德金,郑均林,等.轻循环油选择性加氢脱硫催化剂及其方法:中国,CN201010513958.2[P].2010-10-21.
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[22]毛安国,龚剑洪.催化裂化轻循环油生产轻质芳烃的分子水平研究[J].石油炼制与化工,2014,45(7):1-6.Mao Anguo,Gong Jianhong.Molecular-based study on FCC LCO to light aromatics[J].Petroleum Processing and Petrochemicals,2014,45(7):1-6.
[23]南军,于海斌,臧甲忠,等.一种由催化裂化柴油生产轻质芳烃及清洁燃料油品的方法:中国,CN201410062715X[P].2014-02-24.
[24]于海斌,南军,臧甲忠,等.一种催化裂化柴油和C10+馏分油混合生产轻质芳烃的方法:中国,CN201410063056.1[P].2014-02-24.
[25]郇兴龙.加氢裂化装置掺炼催化裂化柴油可行性探讨[J].化工中间体,2015,(1):37-38.Huan Xinglong.Discussion on feasibility of processing FCC diesel in hydrocracking unit[J].Chemical Intermediate,2015,(1):37-38.
[2]Vasant P Thakkar,James F Mcgehee,Suheil F Abdo,et al.A novel approach for greater added value and improved returns[C]∥NPRA Annual Meeting.San Francisc:NPRA,2005:AM-05-53.
[3]许友好.我国催化裂化工艺技术进展[J].中国科学:化学,2014,44(1):13-24.Xu Youhao.Advance in China fluid catalytic cracking(FCC)process[J].Scientia Sinica Chimica,2014,44(1):13-24.
[4]黄新露,石培华,于淼.适应用户需求的催化柴油加氢改质技术[J].当代化工,2011,40(7):702-705.Huang Xinlu,Shi Peihua,Yu Miao.LCO Hydroupgrading technology for meeting demands of customers[J].Contemporary Chemical Industry,2011,40(7):702-705.
[5]王立松.世界燃油规范中的柴油标准现状[J].石油工业标准化,2005,(2):24-25.
[6]GB252-2000轻柴油[S].
[7]GB/T19147-2003车用柴油[S].
[8]GB19147-2009车用柴油[S].
[9]GB19147-2013车用柴油[S].
[10]DB11/239-2004车用柴油[S].
[11]DB11/239-2007车用柴油[S].
[12]DB11/239-2012车用柴油[S].
[13]Oballa M C,Simanzhenkov V,Weit Kamp J,et al.Multizone process for the production of xylene compounds:US,20070062848[P].2007-03-22.
[14]Simanzhenkov V,Oballa M C,Kim G.Technology for producing petrochemical feedstock from heavy aromatic oil fractions[J].Industrial&Engineering Chemistry Research,2010,49:953-963.
[15]钱伯章,陈惠梅.芳烃增产技术研究进展[J].精细石油化工进展,2010,11(5):1-8.Qian Bozhang,Chen Huimei.Research advance in technology for increasing production of aromatic hydrocarbon[J].Advances in Fine Petrochemicals,2010,11(5):1-8.
[16]Hong Chan KIM,Sung Won KIM.The method for producing valuable aromatics and olefin from hydrocarbonaceous oils comprising aromatic compounds:KR,1020110051473[P].2011-05-18.
[17]李大东.炼油工业:市场的变化与技术对策[J].石油学报(石油加工),2015,31(2):208-217.Li Dadong.Petroleum industry:market changes and technical strategy[J].Acta Petrolei Sinica(Petroleum Processing Section),2015,31(2):208-217.
[18]Peng C,Huang X,Liu T,et al.Improve diesel quality through advanced hydroprocessing[J].Hydrocarbon Processing,2012,91(2):65-67.
[19]黄新露.重芳烃高效转化生产轻芳烃技术[J].化工进展,2013,32(9):2263-2266.Huang Xinlu.Technology for producing light aromatics from heavy aromatics[J].Chemical Industry and Engineering Progress,2013,32(9):2263-2266.
[20]钱斌,孔德金,郑均林,等.轻循环油选择性加氢脱硫催化剂及其方法:中国,CN201010513958.2[P].2010-10-21.
[21]赵焘,曾榕辉,孙洪江,等.劣质柴油加氢改质工艺研究[J].当代化工,2013,42(4):382-385.Zhao Tao,Zeng Ronghu,Sun Hongjiang,et al.Study on the hydro-upgrading process for poor diesel oil[J].Contemporary Chemical Industry,2013,42(4):382-385.
[22]毛安国,龚剑洪.催化裂化轻循环油生产轻质芳烃的分子水平研究[J].石油炼制与化工,2014,45(7):1-6.Mao Anguo,Gong Jianhong.Molecular-based study on FCC LCO to light aromatics[J].Petroleum Processing and Petrochemicals,2014,45(7):1-6.
[23]南军,于海斌,臧甲忠,等.一种由催化裂化柴油生产轻质芳烃及清洁燃料油品的方法:中国,CN201410062715X[P].2014-02-24.
[24]于海斌,南军,臧甲忠,等.一种催化裂化柴油和C10+馏分油混合生产轻质芳烃的方法:中国,CN201410063056.1[P].2014-02-24.
[25]郇兴龙.加氢裂化装置掺炼催化裂化柴油可行性探讨[J].化工中间体,2015,(1):37-38.Huan Xinglong.Discussion on feasibility of processing FCC diesel in hydrocracking unit[J].Chemical Intermediate,2015,(1):37-38.