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Device for controlling the operating conditions in a catalytic cracking unit with two risers
Device for controlling the operating conditions in a catalytic cracking unit with two risers
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机译:在具有两个提升管的催化裂化装置中控制运行条件的装置
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摘要
The invention concerns a process for the production of gasoline and for the co-production of propylene using a catalytic cracking unit comprising a catalyst regeneration zone and a reaction zone with two risers functioning in parallel under different severity conditions, the catalyst circulating between the regeneration zone and the reaction zone in two parallel circuits, a circuit termed the principal circuit comprising a first external catalyst cooling system, and a circuit termed the secondary circuit comprising a second external catalyst cooling system.
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