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    • 4. 发明授权
    • Method for decreasing chloride emissions from a catalyst reduction
process
    • 从催化剂还原过程中减少氯化物排放的方法
    • US6117809A
    • 2000-09-12
    • US773812
    • 1996-12-19
    • Paul A. SechristDelmar W. Robinson
    • Paul A. SechristDelmar W. Robinson
    • B01J38/10B01J38/42C10G35/06B01J20/34
    • C10G35/06B01J38/10B01J38/42
    • A method is disclosed for recovering chlorine-containing species from an outlet stream of a zone in which the catalytic metal of a chloride-containing catalyst is reduced. The outlet stream is passed to a sorption zone which contains catalyst and which is maintained at sorption conditions. The catalyst in the sorption zone sorbs the chlorine-containing species from the outlet stream. This method captures and retains within the process the chlorine-containing species that would otherwise be lost from the process and that would need to be replaced by the injection of make-up chlorine-containing species. This method results in a significant savings in capital and operating costs of a catalyst regeneration process that includes a reduction step. This method is adaptable to many catalytic hydrocarbon conversion processes which pass catalyst particles between or among moving bed reaction and regeneration zones.
    • 公开了用于从含有氯化物的催化剂的催化金属还原的区域的出口流中回收含氯物质的方法。 出口流被传递到含有催化剂并且保持在吸附条件下的吸附区。 吸附区中的催化剂从出口流吸附含氯物质。 该方法捕获并保留过程中含氯物质,否则将会从该方法中丢失,并需要通过注入含氯含量物种代替。 该方法导致催化剂再生过程的资本和操作成本的显着节省,其包括还原步骤。 该方法适用于在移动床反应和再生区之间或之间通过催化剂颗粒的许多催化烃转化方法。
    • 7. 发明授权
    • Cyclic catalytic hydrocarbon conversion process with reduced chloride
emissions
    • 循环催化烃转化过程,减少氯化物排放
    • US5965473A
    • 1999-10-12
    • US764868
    • 1996-12-13
    • Paul A. SechristDelmar W. Robinson
    • Paul A. SechristDelmar W. Robinson
    • B01D53/68B01J38/10B01J38/42B01J38/44C10G35/06B01J20/34
    • B01D53/685B01J38/10B01J38/42B01J38/44C10G35/06B01D2259/40
    • A method is disclosed for recovering chlorine-containing species from the outlet gas of a hydrocarbon conversion process with a cyclic regeneration operation. The outlet gas from an off-stream catalyst bed in which regeneration is occurring is passed to another off-stream catalyst bed which contains spent catalyst and which is maintained at sorption conditions. The spent catalyst particles sorb the chlorine-containing species from the outlet gas. This method captures and retains within the hydrocarbon conversion process chlorine-containing species that would otherwise be scrubbed and lost from the process and that would need to be replaced by the injection of make-up chlorine-containing species. This method results in significant savings in operating costs of a cyclic regeneration process. This method is adaptable to many processes for the catalytic conversion of hydrocarbons in which deactivated catalyst are regenerated by a cyclic regeneration operation.
    • 公开了一种利用循环再生操作从烃转化过程的出口气中回收含氯物质的方法。 来自再生发生的离岸催化剂床的出口气体被传递到另一个含有废催化剂并且保持在吸附条件下的脱氢催化剂床。 废催化剂颗粒从出口气体中吸附含氯物质。 该方法捕获并保留了碳氢化合物转化过程中含氯物质,否则该物质将被洗涤并从该方法中流失,并且需要通过注入含氯含量物质代替。 这种方法可以显着节省循环再生过程的运行成本。 该方法适用于催化转化烃的许多方法,其中通过循环再生操作再生失活的催化剂。
    • 9. 发明授权
    • Method for reducing chloride emissions from a moving bed catalyst
regeneration process
    • 从移动床催化剂再生过程中减少氯化物排放的方法
    • US6153091A
    • 2000-11-28
    • US452862
    • 1999-12-08
    • Paul A. SechristDelmar W. Robinson
    • Paul A. SechristDelmar W. Robinson
    • B01D53/68B01J38/10B01J38/42B01J38/44C10G35/06C10G35/085
    • B01J38/42B01D53/685B01J38/10B01J38/44C10G35/06B01D2259/40
    • A method is disclosed for decreasing the emissions of chlorine-containing species from a moving bed process for regenerating spent catalyst particles with a recycle gas stream. A recycle gas stream contacts spent catalyst particles at regeneration conditions, thereby producing a flue gas stream. The flue gas stream which contains chlorine-containing species contacts spent catalyst particles at sorption conditions. The spent catalyst particles sorb the chlorine-containing species from the flue gas stream, thereby producing the recycle gas stream. A portion of the recycle gas stream is vented from the process. This method captures and returns to the process the chlorine-containing species that would be lost from the process and that would need to be replaced by the injection of make-up chlorine-containing species. This method results in a significant savings in capital and operating costs of the process. This method is adaptable to many processes for the catalytic conversion of hydrocarbons in which deactivated catalyst particles are regenerated in a moving bed.
    • 公开了一种减少来自用循环气流再生废催化剂颗粒的移动床方法中含氯物质的排放的方法。 循环气流在再生条件下与废催化剂颗粒接触,从而产生烟气流。 含有含氯物质的烟道气在吸附条件下与废催化剂颗粒接触。 废催化剂颗粒从烟道气中吸附含氯物质,从而产生循环气流。 循环气流的一部分从该过程排出。 该方法捕获并返回过程中将含有的含氯物质将从该过程中丢失,并需要通过注入含氯含量物质来代替。 这种方法可以大大节省资金和运营成本。 该方法适用于烃的催化转化的许多方法,其中失活催化剂颗粒在移动床中再生。