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Process to prepare a catalyst aperfeicoado, reformacao type zeolite L and catalyst which comprises a zeolite type L
Process to prepare a catalyst aperfeicoado, reformacao type zeolite L and catalyst which comprises a zeolite type L
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机译:制备催化剂高沸石,重整型L型沸石和包含L型沸石的催化剂的方法
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摘要
A reforming catalyst comprising a type L zeolite containing at least one Group VIII noble metal may be prepared by a method involving contacting the freshly prepared catalyst with oxygen, hydrogen or an inert gas and optionally water at elevated temperatures, contacting the catalyst at elevated temperatures with a source of chlorine such as HCl or Cl2 and preferably oxygen and water, and contacting the catalyst at elevated temperatures with oxygen and optionally water. Prior to use the catalyst is reduced by contact at elevated temperatures with hydrogen and optionally water. This process enhances the dispersion of the noble metal particles.
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