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ZSM-5 catalytic cracking processs using large size ZSM-5 crystals
ZSM-5 catalytic cracking processs using large size ZSM-5 crystals
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机译:使用大尺寸ZSM-5晶体的ZSM-5催化裂化工艺
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摘要
Octane improvement in catalytic cracking of petroleum fractions is obtained by adding to conventional cracking catalysts small amounts of an additive comprising zeolites having a silica to alumina mole ratio greater than 12, a constraint index of 1 to 12, and crystal size of between 0.2 to 10 microns.
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