Process for reducing coke formation in heavy feed catalytic cracking
    1.
    发明授权
    Process for reducing coke formation in heavy feed catalytic cracking 失效
    重质进料催化裂化中焦炭形成减少的方法

    公开(公告)号:US4409093A

    公开(公告)日:1983-10-11

    申请号:US285737

    申请日:1981-07-22

    CPC分类号: C10G11/02 C10G11/18

    摘要: A method for decreasing the amount of coke produced during the cracking of hydrocarbon feedstock to lower molecular weight products in a reaction zone is disclosed, where the feedstock contains at least two metal contaminants selected from the class consisting of nickel, vanadium and iron, and where these contaminants become deposited on the catalyst. The method comprises passing catalyst from the reaction zone through a regeneration zone operated under net reducing conditions and through a reduction zone maintained at an elevated temperature for a time sufficient to at least partially passivate the catalyst.

    摘要翻译: 公开了一种在反应区中将烃原料裂解成较低分子量产物时产生的焦炭量减少的方法,其中原料含有选自镍,钒和铁的至少两种金属污染物,其中 这些污染物沉积在催化剂上。 该方法包括使来自反应区的催化剂通过在净还原条件下运行的再生区,并通过保持在升高温度下的还原区足以使催化剂至少部分钝化的时间。

    Process for the desulfurization of heavy oils and bitumens
    3.
    发明授权
    Process for the desulfurization of heavy oils and bitumens 有权
    重油和沥青脱硫工艺

    公开(公告)号:US07862708B2

    公开(公告)日:2011-01-04

    申请号:US12287744

    申请日:2008-10-14

    IPC分类号: C10G45/04

    CPC分类号: C10G45/02 C10G19/02

    摘要: The present invention relates to a process for desulfurizing bitumen and other heavy oils such as low API gravity, high viscosity crudes, tar sands bitumen, or shale oils with alkali metal compounds under conditions to promote in-situ regeneration of the alkali metal compounds. The present invention employs the use of superheated water and hydrogen under conditions to improve the desulfurization and alkali metal hydroxide regeneration kinetics at sub-critical temperatures.

    摘要翻译: 本发明涉及一种在碱性金属化合物的原位再生条件下使沥青和其它重油如API重力低,高粘度原油,焦油砂沥青或页岩油脱硫的方法。 本发明使用过热水和氢气条件来改善亚临界温度下的脱硫和碱金属氢氧化物再生动力学。

    Integrated catalytic cracking and olefin producing process using staged
backflow regeneration
    6.
    发明授权
    Integrated catalytic cracking and olefin producing process using staged backflow regeneration 失效
    综合催化裂化和烯烃生产过程使用分级回流再生

    公开(公告)号:US5447622A

    公开(公告)日:1995-09-05

    申请号:US154828

    申请日:1993-11-19

    CPC分类号: C10G57/00 C10G11/18

    摘要: Disclosed is a method which combines catalytic cracking and olefin production using a coked catalytic cracking catalyst as a dehydrogenation catalyst to dehydrogenate an alkane feed stream and form an olefin rich product stream. The method uses a staged backmixed regeneration system to form the dehydrogenation catalyst and to fully reactivate deactivated cracking catalyst for reuse in the cracking reaction. The catalyst preferably comprises a crystalline tetrahedral framework oxide component.

    摘要翻译: 公开了一种使用焦化催化裂化催化剂作为脱氢催化剂将催化裂化和烯烃生产组合以使烷烃进料流脱氢并形成富烯烃产物流的方法。 该方法使用分级回混再生系统形成脱氢催化剂,并在破裂反应中完全还原失活的裂化催化剂以供再利用。 催化剂优选包含结晶四面体骨架氧化物组分。

    Integrated fluid coking paraffin dehydrogenation process
    7.
    发明授权
    Integrated fluid coking paraffin dehydrogenation process 失效
    综合流体焦化石蜡脱氢工艺

    公开(公告)号:US5435905A

    公开(公告)日:1995-07-25

    申请号:US144984

    申请日:1993-10-27

    摘要: An integrated fluid coking/paraffin dehydrogenation process. The fluid coking unit is comprised of a fluid coker reactor, a heater, and a gasifier. Solids from the fluidized beds are recycled between the coking zone and the heater and between the heater and the gasifier. A separate stream of hot solids from the gasifier is passed to the scrubbing zone after first being reduced in temperature by introduction of an effective amount of diluent, such as steam. A light paraffin stream is introduced into this stream of hot solids between the point where the diluent is added and the scrubbing zone. The hot particles act to catalyze the dehydrogenation of paraffins to olefins.

    摘要翻译: 综合流体焦化/石蜡脱氢工艺。 流体焦化装置由流体焦化反应器,加热器和气化器组成。 来自流化床的固体在焦化区和加热器之间以及加热器和气化器之间循环。 在通过引入有效量的稀释剂如蒸汽首先降低温度后,来自气化器的单独的热固体物流被传送到洗涤区。 在添加稀释剂的点和洗涤区之间,将轻质石蜡流引入该热固体物流中。 热颗粒起催化链烷烃脱氢成烯烃作用。

    Hydroconversion process using a sulfided molybdenum catalyst concentrate
    8.
    发明授权
    Hydroconversion process using a sulfided molybdenum catalyst concentrate 失效
    使用硫化钼催化剂浓缩物的加氢转化法

    公开(公告)号:US5039392A

    公开(公告)日:1991-08-13

    申请号:US532728

    申请日:1990-06-04

    IPC分类号: C10G47/26

    CPC分类号: C10G47/26

    摘要: A process for converting a heavy hydrocarbonaceous chargestock to lower boiling products which process comprises reacting the chargestock with a catalyst concentrate in the presence of hydrogen, at hydroconversion conditions, said catalyst concentrate having been prepared by the steps comprising: (a) forming a precursor catalyst concentrate by mixing together: (i) a hydrocarbonaceous oil comprising constituents boiling above about 1050.degree. F.; (ii) a metal compound, said metal being selected from the group consisting of Groups II, III, IV, V, VIB, VIIB, and VIII of the Periodic Table of the Elements, in an amount to provide from about 0.2 to 2 wt. % metal, based on said hydrocarbonaceous oil; (b) heating the precursor concentrate to an effective temperature to produce a catalyst concentrate, wherein elemental sulfur is used an a sulfiding agent in an amount such that the atomic ratio of sulfur to metal is from about 1/1 to 8/1.

    摘要翻译: 一种将重质含烃物料转化成较低沸点产物的方法,该方法包括在氢气存在下,在加氢转化条件下使所述原料与催化剂浓缩物反应,所述催化剂浓缩物已经通过以下步骤制备,所述步骤包括:(a)形成前体催化剂 通过混合在一起浓缩:(i)包含沸点高于约1050°F的组分的含烃油; (ii)金属化合物,所述金属选自元素周期表的第II,III,IV,V,VIB,VIIB和VIII族,其量为约0.2至2wt 。 基于所述烃油的%金属; (b)将前体浓缩物加热到有效温度以产生催化剂浓缩物,其中元素硫使用硫化剂,其量使得硫与金属的原子比为约1/1至8/1。