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US08920630B2 Systems and methods for making a middle distillate product and lower olefins from a hydrocarbon feedstock 有权
从烃原料制备中间馏分产物和低级烯烃的系统和方法

Systems and methods for making a middle distillate product and lower olefins from a hydrocarbon feedstock
摘要：
A system comprising a riser reactor comprising a gas oil feedstock and a first catalyst under catalytic cracking conditions to yield a riser reactor product comprising a cracked gas oil product and a first used catalyst; a intermediate reactor comprising at least a portion of the cracked gas oil product and a second catalyst under high severity conditions to yield a cracked intermediate reactor product and a second used catalyst; wherein the intermediate reactor feedstock comprises at least one of a fatty acid and a fatty acid ester.
摘要（中）：

一种包括提升管反应器的系统，其包括在催化裂化条件下的瓦斯油原料和第一催化剂，以产生包含裂化瓦斯油产物和第一使用催化剂的提升管反应器产物; 中间反应器，其包括至少一部分裂化瓦斯油产物和第二催化剂，在高苛刻度条件下产生裂化的中间反应器产物和第二使用的催化剂; 其中所述中间体反应器原料包含脂肪酸和脂肪酸酯中的至少一种。

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