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US4400262A Fluid coking with the addition of polymetaphosphoric acid catalysts 失效
加入聚偏磷酸催化剂进行流化焦化

Fluid coking with the addition of polymetaphosphoric acid catalysts
Abstract:
A fluid coking process is provided in which a polymetaphosphoric acid, a salt of a polymetaphosphoric acid or precursors thereof are present in the fluid coking zone.
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