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US5057203A Ultrastable Y containing framework gallium 失效
超稳Y含骨架镓

Ultrastable Y containing framework gallium
摘要:
The invention relates to framework gallium containing ultrastable Y having a framework (silica:alumina+gallium oxide) SiO.sub.2 /(Al.sub.2 O.sub.3 +Ga.sub.2 O.sub.3) mole ratio of 18:1 which contains at least 2.2% framework gallium. Moreover, the invention includes use of the framework gallium containing ultrastable Y in hydrocarbon conversion processes, such as reforming, catalytic cracking and aromatization.
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