Process for treating a carrier, process for preparing a catalyst, the catalyst, and use of the catalyst

Process for treating a carrier, process for preparing a catalyst, the catalyst, and use of the catalyst

  • CN 104,857,996 A
  • Filed: 11/15/2007
  • Published: 08/26/2015
  • Est. Priority Date: 11/20/2006
  • Status: Active Application
First Claim
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1. for the treatment of carrier or its precursor to go a deimpurity method at least partly from described carrier or its precursor, described method comprises:

  • Be greater than to make at the temperature of 90-110 DEG C carrier or its precursor with comprise concentration at least 0.001M and at the most the Treatment Solution of the salt of 0.009M contact, wherein said salt comprises cation and anion, be selected from ammonium, alkylammonium and their combination with wherein said cation, and wherein said anion is selected from nitrate anion, nitrite anions, acetate and their combination;

    WithAt least part of Treatment Solution is separated with carrier or its precursor.

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