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US4362652A Cracking catalysts containing silica-alumina gels 失效
含二氧化硅 - 氧化铝凝胶的裂化催化剂

Cracking catalysts containing silica-alumina gels
摘要:
This invention relates to the production of a cracking catalyst derived from hydrothermal treatment of an ammoniated silica-alumina gel, the alumina component of which is formulated from a mixture of anionic and cationic aluminum containing salts.
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