Processes for the reduction of alkylation catalyst deactivation utilizing low silica to alumina ration catalyst

Processes for the reduction of alkylation catalyst deactivation utilizing low silica to alumina ration catalyst

  • CN 101,511,753 A
  • Filed: 08/27/2007
  • Published: 08/19/2009
  • Est. Priority Date: 09/05/2006
  • Status: Active Application
First Claim
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1. alkylation system, it comprises:

  • Preliminary alkylation system, it is suitable for accepting to import logistics and the input logistics is contacted with the preliminary alkylation catalyst that wherein is provided with, and forms the first output logistics, and described preliminary alkylation catalyst comprises SiO 2/ Al 2O 3Ratio is less than about 25 zeolite catalyst, and wherein, described input logistics comprises alkylaromatic hydrocarbon;

    With First alkylation system, it is suitable for accepting the first output logistics and the first output logistics is contacted with alkylating agent with first alkylation catalyst that wherein is provided with, thereby forms the second output logistics.

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