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    • 5. 发明授权
    • Method for producing aromatic hydrocarbon
    • 芳烃生产方法
    • US08853480B2
    • 2014-10-07
    • US13805756
    • 2011-06-24
    • Yuji OgawaHongtao Ma
    • Yuji OgawaHongtao Ma
    • C07C2/46C07C2/42C07C2/76
    • C07C2/76C07C2529/48Y02P20/52Y02P20/584Y10S585/904C07C15/04
    • When producing an aromatic hydrocarbon by a contact reaction of a lower hydrocarbon with a catalyst, the aromatic hydrocarbon is produced stably for a long time while maintaining a high aromatic hydrocarbon yield. In a process for producing an aromatic hydrocarbon by being equipped with a reaction step for obtaining the aromatic hydrocarbon by a contact reaction of a lower hydrocarbon with a catalyst and a regeneration step for regenerating the catalyst used in this reaction step, and by repeating the reaction step and the regeneration step, yield of the aromatic hydrocarbon is calculated at constant intervals of time. A yield as the standard is set up from this calculated yield. Based on the change of yield relative to this standard, the regeneration time of the regeneration step is prolonged. A threshold value is set up in the change of yield. In case that the change of yield of the aromatic hydrocarbon has been lower than the threshold value in the reaction step, the regeneration time of the regeneration step is prolonged.
    • 当通过低级烃与催化剂的接触反应生产芳族烃时,长时间稳定地生产芳族烃,同时保持高的芳烃产率。 在通过配置通过低级烃与催化剂的接触反应获得芳香族烃的反应步骤和用于再生该反应步骤中使用的催化剂的再生步骤的反应步骤的制备芳烃的方法中, 步骤和再生步骤,芳香烃的产率以恒定的时间间隔计算。 作为标准的收益率由该计算的收益率设定。 基于相对于该标准的产量变化,再生步骤的再生时间延长。 在产量变化中建立阈值。 在反应步骤中芳族烃的收率变化低于阈值的情况下,再生步骤的再生时间延长。
    • 6. 发明申请
    • METHOD FOR PRODUCING AROMATIC HYDROCARBON
    • 生产芳香烃的方法
    • US20130090506A1
    • 2013-04-11
    • US13805756
    • 2011-06-24
    • Yuji OgawaHongtao Ma
    • Yuji OgawaHongtao Ma
    • C07C2/76
    • C07C2/76C07C2529/48Y02P20/52Y02P20/584Y10S585/904C07C15/04
    • When producing an aromatic hydrocarbon by a contact reaction of a lower hydrocarbon with a catalyst, the aromatic hydrocarbon is produced stably for a long time while maintaining a high aromatic hydrocarbon yield.In a process for producing an aromatic hydrocarbon by being equipped with a reaction step for obtaining the aromatic hydrocarbon by a contact reaction of a lower hydrocarbon with a catalyst and a regeneration step for regenerating the catalyst used in this reaction step, and by repeating the reaction step and the regeneration step, yield of the aromatic hydrocarbon is calculated at constant intervals of time. A yield as the standard is set up from this calculated yield. Based on the change of yield relative to this standard, the regeneration time of the regeneration step is prolonged. A threshold value is set up in the change of yield. In case that the change of yield of the aromatic hydrocarbon has been lower than the threshold value in the reaction step, the regeneration time of the regeneration step is prolonged.
    • 当通过低级烃与催化剂的接触反应生产芳族烃时,长时间稳定地生产芳族烃,同时保持高的芳烃产率。 在通过配置通过低级烃与催化剂的接触反应获得芳香族烃的反应步骤和用于再生该反应步骤中使用的催化剂的再生步骤的反应步骤的制备芳烃的方法中, 步骤和再生步骤,芳香烃的产率以恒定的时间间隔计算。 作为标准的收益率由该计算的收益率设定。 基于相对于该标准的产量变化,再生步骤的再生时间延长。 在产量变化中建立阈值。 在反应步骤中芳族烃的收率变化低于阈值的情况下,再生步骤的再生时间延长。
    • 9. 发明授权
    • Method of regenerating lower hydrocarbon aromatizing catalyst
    • 再生低级烃芳构化催化剂的方法
    • US08735310B2
    • 2014-05-27
    • US12594902
    • 2008-03-17
    • Hongtao MaYuji Ogawa
    • Hongtao MaYuji Ogawa
    • C07C15/02
    • B01J29/48B01J27/22B01J27/28B01J29/90B01J37/0009B01J38/10B01J38/12B01J2229/12B01J2229/123B01J2229/18B01J2229/32B01J2229/42C07C2/76Y02P20/584C07C15/00
    • To improve stability of catalytic performance, an aromatizing catalyst for converting lower hydrocarbons into aromatic compounds is regenerated. A regeneration process of the aromatizing catalyst according to the present invention includes the steps of: (a) reacting the aromatizing catalyst with a hydrogen gas in an atmosphere containing the hydrogen gas after using the aromatizing catalyst in an aromatizing reaction for converting lower hydrocarbons into aromatic compounds; (b) decreasing a temperature of the atmosphere containing the hydrogen gas reacted with the aromatizing catalyst, by supplying one of an inert gas and a reducing gas to the atmosphere; (c) reacting the aromatizing catalyst reacted with this inert gas, with an oxidizing gas; and (d) reacting the aromatizing catalyst reacted with the oxidizing gas, with a reducing gas.
    • 为了提高催化性能的稳定性,再生了将低级烃转化为芳族化合物的芳构化催化剂。 根据本发明的芳构化催化剂的再生方法包括以下步骤:(a)使芳构化催化剂在芳族化反应中将低级烃转化为芳族化合物后,使芳构化催化剂与含氢气氛中的氢气反应 化合物 (b)通过将惰性气体和还原气体中的一种供给到大气中,降低含有与芳构化催化剂反应的氢气的气氛的温度; (c)使与该惰性气体反应的芳构化催化剂与氧化气体反应; 和(d)使与氧化气体反应的芳构化催化剂与还原气体反应。