Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins
    3.
    发明授权
    Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins 有权
    在含氧化合物转化为烯烃的过程中,处理含氧化合物的进料流

    公开(公告)号:US07385100B2

    公开(公告)日:2008-06-10

    申请号:US11787337

    申请日:2007-04-16

    IPC分类号: C07C1/00 B63B25/08

    摘要: This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream and a liquid stream. The heating is conducted so that a majority of the metalloaluminophosphate molecular sieve catalyst contaminants is contained in the liquid stream. The vapor stream is separated from the liquid stream, and the separated vapor stream is contacted with the metalloaluminophosphate molecular sieve catalyst to form olefin product. The heating of the feedstream and the separation of the vapor stream can be carried out in one or more stages.

    摘要翻译: 本发明涉及从用于含氧化合物到烯烃反应体系的含氧化合物的进料流中除去污染物。 用于将含氧化合物转化为烯烃并且含有污染物的氧化物进料被加热以形成蒸汽流和液体流。 进行加热,使得大部分金属铝磷酸盐分子筛催化剂污染物被包含在液体流中。 将蒸汽流与液体流分离,并将分离的蒸汽流与金属铝磷酸盐分子筛催化剂接触以形成烯烃产物。 进料流的加热和蒸汽流的分离可以在一个或多个阶段中进行。

    Heat recovery technique for catalyst regenerator flue gas
    4.
    发明授权
    Heat recovery technique for catalyst regenerator flue gas 有权
    催化剂再生器烟气回热技术

    公开(公告)号:US07404891B2

    公开(公告)日:2008-07-29

    申请号:US10812142

    申请日:2004-03-29

    IPC分类号: C10G35/14 C10G35/10

    摘要: A technique for recovering heat from a high temperature effluent stream from catalyst regeneration or the like, comprising processes and means for: (a) passing the effluent stream in heat exchange relationship in a steam generator with boiler feed water to produce high pressure steam and partially cool the effluent stream; (b) passing the partially cooled effluent stream from the steam regenerator in heat exchange relationship to preheat high pressure boiler feed water and further cool the effluent stream; and (c) passing the preheated boiler feed water to the steam generator. The apparatus and processes for thermal energy recovery may be used to treat hot regenerator effluent from FCC or OTO-type processes, thereby producing a cooled flue gas stream to discharge to ambient atmosphere.

    摘要翻译: 一种用于从催化剂再生等的高温流出物流中回收热量的技术,包括以下步骤和装置的方法和装置:(a)将蒸汽发生器中的热交换关系的流出物流与锅炉给水通过以产生高压蒸汽和部分 冷却流出物流; (b)将来自蒸汽再生器的部分冷却的流出物与热交换关系传递到预热的高压锅炉给水中,并进一步冷却流出物流; 和(c)将预热的锅炉给水送到蒸汽发生器。 用于热能回收的装置和方法可以用于处理来自FCC或OTO型方法的热再生器流出物,从而产生冷却的烟气流以排放到环境大气中。

    Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins
    5.
    发明授权
    Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins 有权
    在含氧化合物转化为烯烃的过程中,处理含氧化合物的进料流

    公开(公告)号:US07214843B2

    公开(公告)日:2007-05-08

    申请号:US10686461

    申请日:2003-10-14

    IPC分类号: C07C1/00

    摘要: This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream and a liquid stream. The heating is conducted so that a majority of the metalloaluminophosphate molecular sieve catalyst contaminants is contained in the liquid stream. The vapor stream is separated from the liquid stream, and the separated vapor stream is contacted with the metalloaluminophosphate molecular sieve catalyst to form olefin product. The heating of the feedstream and the separation of the vapor stream can be carried out in one or more stages.

    摘要翻译: 本发明涉及从用于含氧化合物到烯烃反应体系的含氧化合物的进料流中除去污染物。 用于将含氧化合物转化为烯烃并且含有污染物的氧化物进料被加热以形成蒸汽流和液体流。 进行加热,使得大部分金属铝磷酸盐分子筛催化剂污染物被包含在液体流中。 将蒸汽流与液体流分离,并将分离的蒸汽流与金属铝磷酸盐分子筛催化剂接触以形成烯烃产物。 进料流的加热和蒸汽流的分离可以在一个或多个阶段中进行。

    Oxygenate to olefin process
    6.
    发明授权
    Oxygenate to olefin process 有权
    氧化烯到烯烃工艺

    公开(公告)号:US06965057B2

    公开(公告)日:2005-11-15

    申请号:US10807818

    申请日:2004-03-24

    摘要: The invention relates to a process for converting an oxygenate feedstock into an olefin product stream comprising (a) contacting an oxygenate feedstock with a molecular sieve catalyst in a reactor under conditions effective to convert the feedstock into an olefin product stream and to form carbonaceous deposits on the catalyst; (b) contacting at least a portion of the catalyst having said carbonaceous deposits with an oxygen containing gas under conditions effective to obtain a regenerated catalyst having a reduced carbonaceous deposit level and having an increased molecular oxygen content; (c) removing at least 60% by volume of said molecular oxygen from the regenerated catalyst based upon the total volume of molecular oxygen; (d) returning said regenerated catalyst to said reactor; and (e) repeating steps (a)–(d).

    摘要翻译: 本发明涉及一种将含氧化合物原料转化成烯烃产物流的方法,该方法包括(a)在有效将原料转化成烯烃产物流并形成碳质沉积物的条件下,使反应器中的含氧化合物原料与分子筛催化剂接触 催化剂; (b)在有效获得具有降低的碳沉积物水平并且具有增加的分子氧含量的再生催化剂的条件下使至少一部分具有所述碳质沉积物的催化剂与含氧气体接触; (c)基于分子氧的总体积从再生催化剂中除去至少60体积%的所述分子氧; (d)将所述再生催化剂返回到所述反应器; 和(e)重复步骤(a) - (d)。

    Method and apparatus for regenerating catalyst during oxygenates to olefins reaction
    8.
    发明授权
    Method and apparatus for regenerating catalyst during oxygenates to olefins reaction 有权
    在含氧化合物到烯烃反应过程中再生催化剂的方法和装置

    公开(公告)号:US08178741B2

    公开(公告)日:2012-05-15

    申请号:US12793340

    申请日:2010-06-03

    IPC分类号: C07C1/00 B01J20/34 B01J19/00

    摘要: Disclosed herein is a method of recovery of the activity of a molecular sieve catalyst following use of the catalyst in an OTO conversion process. This is achieved by a regeneration apparatus and a method of regenerating a molecular sieve catalyst, comprising two stages. In a pretreatment stage, the catalyst is pretreated under pretreatment conditions by heating the catalyst to a temperature of between 320° C. to 700° C. in an oxygen depleted medium for a residence time of between 1 minute to two hours; and, in a regeneration stage, the catalyst is regenerated under regeneration conditions by heating the catalyst at a temperature of between 200° C. to 700° C. in an oxidizing medium for a residence time of between 1 to 60 minutes.

    摘要翻译: 本文公开了在OTO转化方法中使用催化剂后回收分子筛催化剂的活性的方法。 这是通过再生装置和再生分子筛催化剂的方法实现的,包括两个阶段。 在预处理阶段,催化剂在预处理条件下通过将催化剂在耗氧贫乏的介质中在320℃至700℃之间的温度下进行预处理,停留时间为1分钟至2小时; 并且在再生阶段,催化剂在再生条件下通过在氧化介质中在200℃至700℃的温度下加热催化剂,停留时间为1至60分钟而再生。

    Method of circulating catalyst between a catalyst regenerator and an external catalyst cooler
    10.
    发明授权
    Method of circulating catalyst between a catalyst regenerator and an external catalyst cooler 有权
    在催化剂再生器和外部催化剂冷却器之间循环催化剂的方法

    公开(公告)号:US07906697B2

    公开(公告)日:2011-03-15

    申请号:US12059717

    申请日:2008-03-31

    IPC分类号: C07C2/04

    摘要: This invention relates to efficiently regenerating catalyst particles by minimizing the formation of localized “hot spots” and “cold spots” in a regeneration zone. Specifically this invention relates to a method for controlling regenerator temperature in an oxygenates-to-olefins system, comprising the steps of: contacting an oxygenate feed in a reactor with a catalytically effective amount of molecular sieve-containing catalyst under conditions effective for converting said oxygenate to a product containing light olefins and forming a coked catalyst; contacting a portion of the coked catalyst in a regenerator, having a catalyst bed height (Hc), an inlet height (Hi), and an outlet height (Ho), with an oxygen-containing regeneration medium under conditions effective to at least partially regenerate the coked catalyst; and conducting a portion of the catalyst from the regenerator to a catalyst cooler to form a cooled catalyst portion, wherein Ho is greater than Hi.

    摘要翻译: 本发明涉及通过最小化再生区中局部“热点”和“冷点”的形成来有效地再生催化剂颗粒。 具体地说,本发明涉及一种用于控制含氧化合物至烯烃体系中的再生器温度的方法,其包括以下步骤:在有效转化所述含氧化合物的条件下使反应器中的含氧化合物进料与催化有效量的含分子筛催化剂接触 涉及含有轻质烯烃并形成焦化催化剂的产品; 在具有催化剂床高度(Hc),入口高度(Hi)和出口高度(Ho))的再生器中使一部分焦化催化剂与含氧再生介质在有效至少部分再生的条件下接触 焦化催化剂; 并将催化剂的一部分从再生器导入催化剂冷却器以形成冷却的催化剂部分,其中Ho大于Hi。