Process for preparing light olefins by dehydrogenation of the corresponding paraffins
    1.
    发明授权
    Process for preparing light olefins by dehydrogenation of the corresponding paraffins 失效
    通过相应的链烷烃的脱氢制备轻质烯烃的方法

    公开(公告)号:US07235706B2

    公开(公告)日:2007-06-26

    申请号:US10184888

    申请日:2002-07-01

    IPC分类号: C07C5/327 C07C5/333

    摘要: A process for preparing light olefins from corresponding paraffins consists of reacting said paraffins in a reactor, operating at a temperature of between 450 and 800° C., a pressure of between 0.1 and 3 atm absolute and a GHSV of between 100 and 10000 h−1, with a catalytic system containing gallium, platinum, possibly one or more alkaline or alkaline-earth metals, and a support consisting of alumina in delta or theta phase or in delta+theta or theta+alpha or delta+theta+alpha mixed phase, modified with silica, the gallium, expressed as Ga2O3, being in a quantity of between 0.1 and 33.6 wt %, the platinum being in a quantity of between 1 and 99 ppm, the alkaline or alkaline-earth metals, expressed as oxide, being in a quantity of between 0 and 5 wt %, and the silica being in a quantity of between 0.08 and 3 wt %, the rest to 100% being alumina, and regenerating said catalytic system in a regenerator by burning off the coke which has deposited on its surface, without subsequently reducing it.

    摘要翻译: 从相应的链烷烃制备轻质烯烃的方法包括使反应器中的所述链烷烃反应,在450至800℃之间的温度下操作,绝对压力为0.1至3atm,GHSV为100至10000h, 具有含镓,铂,可能一种或多种碱金属或碱土金属的催化体系,以及由δ或θ相中的氧化铝或δ+θ或θ+α或 用二氧化硅改性的δ+θ+α混合相,以Ga 2 O 3 N 3表示的镓的量为0.1至33.6重量%,铂 以1至99ppm的量存在,表示为氧化物的碱金属或碱土金属的量为0至5重量%,二氧化硅的量为0.08至3重量% 其余为100%为氧化铝,并通过烧掉沉积在其上的焦炭,在再生器中再生所述催化体系 表面,不后来减少它。

    Process for dehydrogenating light paraffins in a fluidized bed reactor
    5.
    发明授权
    Process for dehydrogenating light paraffins in a fluidized bed reactor 失效
    在流化床反应器中使轻链烷烃脱氢的方法

    公开(公告)号:US5633421A

    公开(公告)日:1997-05-27

    申请号:US392616

    申请日:1995-02-22

    摘要: A process for dehydrogenating light paraffins, in particular C.sub.2 -C.sub.5, to obtain the corresponding light olefins, comprising reacting said paraffins with a catalytic system containing platinum, tin and an alumina support and possibly an element of the lanthanide group in a fluidized bed reactor, where the heat required for the reaction is provided by said catalytic system as sensible heat, operating at a temperature of between 500.degree. and 700.degree. C. and at a pressure of between 1 and 2 kg/cm.sup.2, and regenerating said catalytic system by burning the coke which has deposited on the surface of the catalytic system, said regeneration being conducted in air and/or oxygen, if necessary by increasing the temperature of the catalytic system to a suitable level, followed by reduction of said catalytic system with a reducing agent.

    摘要翻译: 一种使浅链烷烃,特别是C 2 -C 5脱氢以获得相应的轻质烯烃的方法,包括使所述链烷烃与在流化床反应器中含有铂,锡和氧化铝载体以及可能的镧系元素的元素的催化体系反应, 其中反应所需的热量由所述催化体系作为显热提供,在500-700℃的温度和1-2kg / cm2的压力下操作,并通过燃烧再生所述催化体系 已经沉积在催化体系表面上的焦炭,如果需要,再生在空气和/或氧气中进行,将催化体系的温度升高至合适的水平,然后用还原剂还原所述催化体系 。

    Catalytic composition for the dehydrogenation of alkylaromatic hydrocarbons
    6.
    发明授权
    Catalytic composition for the dehydrogenation of alkylaromatic hydrocarbons 有权
    用于烷基芳烃脱氢的催化组合物

    公开(公告)号:US07473668B2

    公开(公告)日:2009-01-06

    申请号:US10494523

    申请日:2002-12-18

    IPC分类号: B01J23/00 B01J21/00 B01J20/00

    摘要: Process for the catalytic dehydrogenation of alkylaromatic hydrocarbons optionally mixed with ethane which comprises: A) dehydrogenating the hydrocarbon stream, optionally mixed with an inert gas, in a fluid bed reactor in the presence of a catalytic composition based on gallium and manganese supported on alumina modified with silica, at a temperature ranging from 400 to 700° C., at a total pressure ranging from 0.1 to 3 ata and with a GHSV (Gas Hourly Space Velocity) ranging from 50 to 10,000 h−1; and B) regenerating and heating the catalyst, by means of the catalytic oxidation of a fuel, in a fluid bed regenerator at a temperature higher than 400° C.

    摘要翻译: 用于任选与乙烷混合的烷基芳烃的催化脱氢方法,该方法包括:A)在流化床反应器中在基于负载在氧化铝上的镓和锰的催化组合物存在下,将任选与惰性气体混合的烃流脱氢改性 二氧化硅,温度范围为400-700℃,总压力为0.1至3ata,GHSV(Gas Hourly Space Velocity)为50至10,000h -1; 和B)在温度高于400℃的流化床再生器中,通过燃料的催化氧化来再生和加热催化剂。

    PROCESS FOR RECOVERING METALS FROM A STREAM RICH IN HYDROCARBONS AND CARBONACEOUS RESIDUES
    8.
    发明申请
    PROCESS FOR RECOVERING METALS FROM A STREAM RICH IN HYDROCARBONS AND CARBONACEOUS RESIDUES 有权
    从碳氢化合物和碳氢化合物中回收金属的方法

    公开(公告)号:US20120279358A1

    公开(公告)日:2012-11-08

    申请号:US13516045

    申请日:2010-12-13

    IPC分类号: C22B3/04

    摘要: A process for recovering metals from a stream rich in hydrocarbons and carbonaceous residues by means of a treatment section characterized in that it comprises the following steps: sending said stream to an extraction by mixing said stream with a suitable hydrophilizing agent, i.e. being capable of removing the hydrophobic qualities of said stream; sending the mixture consisting of said stream and said hydrophilizing agent to separation, separating a liquid phase containing most of the hydrophilizing agent and hydrocarbons dissolved from a “solid” phase; preferably subjecting the “solid” phase separated to drying effected at a maximum temperature of 3500C in order to remove the medium-light hydrocarbon components from the “solid” phase; sending the “solid” phase separated, preferably dried, to leaching with an alkaline solution in the presence of air and/or oxygen and possibly in the presence of an emulsifying agent or its precursor; sending the leached mixture to separation, separating the solid residue from the liquor.

    摘要翻译: 一种通过处理部分从富含烃和碳质残余物的物流中回收金属的方法,其特征在于其包括以下步骤:将所述物流与合适的亲水剂混合,将所述物流与所述物流混合,即能够除去 所述流的疏水性; 将由所述流和所述亲水化物组成的混合物送入分离,分离含有大部分亲水剂的液相和从固相中溶解的烃; 优选在350℃的最高温度下对分离的固相进行干燥以从固相中除去中轻烃组分; 在空气和/或氧气存在下并且可能在乳化剂或其前体的存在下,将分离的,优选干燥的固相发送到碱性溶液中浸出; 将浸出的混合物送入分离,将固体残余物与液体分离。