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    • 7. 发明授权
    • Process for preparing benzene from methane
    • 从甲烷制备苯的方法
    • US08796496B2
    • 2014-08-05
    • US13393837
    • 2010-08-23
    • Christian SchneiderMartin KarchesJoana Coelho TsouSebastian AhrensDieter Stuetzer
    • Christian SchneiderMartin KarchesJoana Coelho TsouSebastian AhrensDieter Stuetzer
    • C07C2/76C07C15/02
    • C07C2/76Y02P20/584C07C15/02
    • The present invention relates to a process for nonoxidatively dehydroaromatizing a reactant stream comprising C1-C4-aliphatics, comprising the steps of I. feeding reactant stream E into a reaction zone 1, converting reactant stream E under nonoxidative conditions in the presence of a particulate catalyst to a product stream P comprising aromatic hydrocarbons and discharging product stream P from reaction zone 1, II. transferring the catalyst with reduced activity as a result of deposited coke into a reaction zone 2, III. at least partly regenerating the catalyst with supply of a hydrogen-comprising gas stream H in a reaction zone 2, at least some of the coke deposited being converted to methane to form a methane-comprising gas stream M which is fed at least partly to reaction zone 1, IV. discharging the catalyst from reaction zone 2 and V. recycling at least a portion of the discharged catalyst into reaction zone 1, reaction zone 1 and reaction zone 2 being arranged spatially adjacent to one another in the same reactor.
    • 本发明涉及一种使含有C 1 -C 4脂族化合物的反应物流非氧化脱氢芳化的方法,其包括以下步骤:将反应物流E加入到反应区1中,在非氧化条件下在颗粒催化剂存在下转化反应物流E 涉及包含芳族烃并从反应区域1排出产物流P的产物流P。 由于沉积的焦炭进入反应区域2,III而导致活性降低的催化剂。 在反应区2中供应含氢气流H至少部分地再生催化剂,沉积的焦炭中的至少一些转化成甲烷以形成含甲烷的气流M,其至少部分地进料至反应 区1,IV。 从反应区2排出催化剂,并将至少一部分排出的催化剂再循环到反应区1中,反应区1和反应区2在相同的反应器中彼此空间上相邻布置。