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    • 6. 发明授权
    • Two-stage fluid bed regeneration of catalyst with shared dilute phase
    • 具有共同稀释相的催化剂的两阶段流化床再生
    • US5198397A
    • 1993-03-30
    • US797678
    • 1991-11-25
    • Michael F. Raterman
    • Michael F. Raterman
    • B01J8/26C10G11/18
    • B01J8/26C10G11/182
    • A process and apparatus for multi-stage fluidized bed regeneration of spent FCC catalyst in a single vessel. At least two isolated relatively dense phase fluidized beds are disposed beneath a common dilute phase region. Spent catalyst discharged into a primary regeneration stage is regenerated to produce flue gas and partially regenerated catalyst, which preferably overflows into the second stage. Flue gas and entrained catalyst from each fluidized bed are processed in two trains of separation means, preferably cyclones. The inlets of each train are disposed above the isolated fluidized beds, and are effectively separated although sharing an open dilute phase region.
    • 用于在单个容器中废催化裂化催化剂多阶段流化床再生的方法和装置。 至少两个分离的相对致密的相流化床设置在公共稀相区域的下方。 排出到初级再生阶段的废催化剂被再生,以产生烟气和部分再生的催化剂,其优选地溢出到第二阶段。 来自每个流化床的烟气和夹带的催化剂在两个分离装置的列车中进行处理,优选旋风分离器。 每个列车的入口设置在分离的流化床之上,并且有效地分离,尽管共享开放的稀相区。
    • 9. 发明申请
    • Process for producing a high stability desulfurized heavy oils stream
    • 生产高稳定性脱硫重油料流的方法
    • US20100155298A1
    • 2010-06-24
    • US12590157
    • 2009-11-03
    • Michael F. RatermanDaniel P. LetaWalter D. VannRoby Bearden, JR.
    • Michael F. RatermanDaniel P. LetaWalter D. VannRoby Bearden, JR.
    • C10G67/00
    • C10G19/00C10G29/04C10G29/06C10G29/16C10G45/02
    • The present invention relates to a process for desulfurizing heavy oil feedstreams with alkali metal compounds and improving the compatibility of the to stream components in either the feed stream, an intermediate product stream, and/or the reaction product stream in the desulfurization process. The present invention utilizes a high stability aromatic-containing stream that is preferably added to the heavy oil prior to reaction with the alkali metal compounds. The resulting stream resists precipitation of reaction solids in the desulfurization reactors. Even more preferably, the desulfurization system employs at least two desulfurization reactors in series flow wherein the high stability aromatic-containing stream is contacted with the reaction product from the first reactor prior to the second reactor, wherein the first reactor can be operated at a higher severity than without the use of the high stability aromatic-containing component stream.
    • 本发明涉及一种使用碱金属化合物脱硫重油进料流并提高脱硫过程中进料流,中间产物流和/或反应产物流中的流组分的相容性的方法。 本发明利用在与碱金属化合物反应之前优选加入到重油中的高稳定性含芳族物流。 所得流阻止脱硫反应器中反应固体的沉淀。 甚至更优选地,脱硫系统使用至少两个串联流量的脱硫反应器,其中高稳定性含芳族物流与第二反应器之前的来自第一反应器的反应产物接触,其中第一反应器可以在较高 严重程度高于不使用高稳定性的含芳烃的组分流。