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    • 76. 发明申请
    • Regeneration of ionic liquid catalyst by hydrogenation using metal and acid
    • 使用金属和酸通过氢化再生离子液体催化剂
    • US20070142217A1
    • 2007-06-21
    • US11316629
    • 2005-12-20
    • Saleh ElomariThomas Harris
    • Saleh ElomariThomas Harris
    • B01J27/125B01J27/06B01J31/00
    • B01J27/32B01J27/125B01J31/0278B01J31/0284B01J31/0287B01J31/0288B01J31/40C07C2/862Y02P20/584
    • A process for regenerating a used acidic ionic liquid catalyst which has been deactivated by conjunct polymers comprising combining the used catalyst, a metal and a Broensted acid which acts a source of hydrogen in a reaction zone under hydrogenation conditions for a time sufficient to hydrogenate at least a portion of the conjunct polymer is disclosed. An embodiment of a process for regenerating a used acidic ionic liquid catalyst which has been deactivated by conjunct polymers comprising the steps of combining the used ionic liquid catalyst, a metal and HCl in a reaction zone under hydrogenation conditions for a time sufficient to hydrogenate at least a portion of the conjunct polymer; removing reaction product from the reaction zone; mixing the removed reaction product with a hydrocarbon solvent in which the hydrogenated conjunct polymers are soluble; allowing the mixture to separate into two phases, a lighter phase which contains the hydrogenated conjunct polymers and a heavier phase which contains a regenerated ionic liquid catalyst; and recovering at least a portion of the heavier phase is also disclosed.
    • 一种再生使用的酸性离子液体催化剂的方法,其已经通过结合聚合物失活,包括将氢化条件下的反应区中使用的催化剂,金属和作为氢源的布朗斯台德酸组合至少足以氢化至少 公开了一部分结合聚合物。 用于再生已使用的结合聚合物失活的酸性离子液体催化剂的方法的一个实施方案包括以下步骤:在氢化条件下将反应区中使用的离子液体催化剂,金属和HCl组合至少足以氢化至少 结合聚合物的一部分; 从反应区除去反应产物; 将除去的反应产物与其中氢化结合聚合物可溶的烃溶剂混合; 允许混合物分离成两相,其中较轻的相含有氢化结合聚合物和较重相,其含有再生离子液体催化剂; 并且还公开了至少一部分较重相的回收。