公开(公告)号：US20060283777A1

公开(公告)日：2006-12-21

申请号：US11513020

申请日：2006-08-31

申请人： Claudia Maria de Alvarenga Baptista ,  Elizabeth Moreira ,  Henrique Cerqueira

发明人： Claudia Maria de Alvarenga Baptista ,  Elizabeth Moreira ,  Henrique Cerqueira

IPC分类号： C10G11/00

CPC分类号： C10G11/18 ,  C10G11/05 ,  C10G11/187

摘要： A process is described for fluid catalytic cracking of hydrocarbons with high levels of basic nitrogen, where hydrocarbon feedstocks A and B with different levels of basic nitrogen are injected in a segregated fashion, into different risers of a multiple riser FCCU that possesses at least two risers. The injection of the feedstocks is made in such a way that feedstock A, to be injected in the riser with greater volume—main riser 7—possessing a level of basic nitrogen at least 200 ppm lower than the level of feedstock B to be injected into the riser with lower volume—secondary riser (8).

摘要翻译： 描述了一种用于具有高水平碱性氮的烃的流体催化裂解的方法，其中具有不同水平的碱性氮的烃原料A和B以分离的方式注入到具有至少两个提升管的多提升管FCCU的不同提升管中 。 原料的注入以这样一种方式进行，使原料A注入提升管中较大体积主提升管7，其具有比待注入的原料B的水平低至少200ppm的碱性氮的水平 具有较低容积的二次提升管（8）的立管。