Method of enhancing strength of molecular sieve catalyst

Method of enhancing strength of molecular sieve catalyst

  • CN 103,934,039 A
  • Filed: 01/23/2013
  • Published: 07/23/2014
  • Est. Priority Date: 01/23/2013
  • Status: Active Application
First Claim
Patent Images

1. a method that improves molecular sieve catalyst intensity, comprises the following steps successively:

  • 1) acid solution that is 0.5~

    4 by pH value is processed molded molecular sieve catalyst, and treatment temperature is 100~

    300 ℃

    , and the processing time is 1~

    200 hour, and the weight ratio of acid solution and molded molecular sieve catalyst is 3~

    100;

    1;

    2) to the molded molecular sieve catalyst after processing be dried, after roasting finished catalyst.

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