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    • 1. 发明申请
    • PROCESSES FOR PRODUCING LIGHT OLEFINS
    • 生产光油的方法
    • US20120123179A1
    • 2012-05-17
    • US13298137
    • 2011-11-16
    • Guozhen QISiqing ZhongWei ChenZhinan Yu
    • Guozhen QISiqing ZhongWei ChenZhinan Yu
    • C07C1/24B01J19/00
    • B01J8/1836B01J8/005C07C1/20C07C2529/85Y02P20/584Y02P30/42C07C11/04C07C11/06
    • A process for producing light olefins. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream and a catalyst to be regenerated; the gas-phase stream and catalyst to be regenerated enter at least one riser, and the gas-phase stream and catalyst to be regenerated pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.
    • 一种生产轻质烯烃的方法。 原料进入预反应区并与包含至少一种硅铝磷酸盐分子筛的催化剂接触并产生气相流和待再生的催化剂; 待再生的气相流和催化剂进入至少一个提升管,并且待再生的气相物流和催化剂从至少一个提升管的出口通过并进入气固快速分离区; 分离的气相流进入分离段; 分离的催化剂的第一部分返回到预反应区,并且第二部分在再生器中再生; 其中所述至少一个提升管的入口延伸到所述预反应区域中,所述至少一个提升管的高度的大约60%至大约90%通过热交换区域,并且所述出口延伸到所述气体 - 固体快速 分离区。
    • 2. 发明申请
    • PROCESSES FOR PRODUCING LIGHT OLEFINS
    • 生产光油的方法
    • US20140186231A1
    • 2014-07-03
    • US14197450
    • 2014-03-05
    • Guozhen QISiqing ZHONGWei CHENZhinan YU
    • Guozhen QISiqing ZHONGWei CHENZhinan YU
    • B01J8/00
    • B01J8/1836B01J8/005C07C1/20C07C2529/85Y02P20/584Y02P30/42C07C11/04C07C11/06
    • A process for producing light olefins is provided. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream; the gas-phase stream and the catalyst enter at least one riser, and the gas-phase stream and the catalyst pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.
    • 提供了一种生产轻质烯烃的方法。 原料进入预反应区并与包含至少一个硅铝磷酸盐分子筛的催化剂接触并产生气相流; 所述气相流和所述催化剂进入至少一个提升管,并且所述气相物流和所述催化剂从所述至少一个提升管的出口通过并进入气固快速分离区; 分离的气相流进入分离段; 分离的催化剂的第一部分返回到预反应区,并且第二部分在再生器中再生; 其中所述至少一个提升管的入口延伸到所述预反应区域中,所述至少一个提升管的高度的大约60%至大约90%通过热交换区域,并且所述出口延伸到所述气体 - 固体快速 分离区。