PROCESS FOR THE PREPARATION OF ETHANOL AND HIGHER ALCOHOLS
    22.
    发明申请
    PROCESS FOR THE PREPARATION OF ETHANOL AND HIGHER ALCOHOLS 有权
    制备乙醇和高级醇的方法

    公开(公告)号:US20130123377A1

    公开(公告)日:2013-05-16

    申请号:US13808240

    申请日:2011-05-17

    IPC分类号: C07C29/151

    摘要: Process for the preparation of ethanol and/or higher alcohols comprising the steps of: (a) providing an alcohol synthesis gas comprising carbon monoxide and hydrogen in a molar ratio of higher than 0.5; (c) adding an amount of methanol and/or higher alcohols to the synthesis gas to obtain a synthesis gas mixture. (d) converting the synthesis gas mixture from step (c) in presence of one or more catalysts catalysing the conversion of the synthesis gas mixture into a ethanol and/or higher alcohols containing product; and (e) withdrawing the product from step (d), wherein the synthesis gas is purified by removing iron and nickel carbonyl compounds prior or after the addition methanol and/or higher alcohols to the synthesis gas and optionally (I) cooling the withdrawn product in step (e); and (g) contacting the cooled product with a hydrogenation catalyst.

    摘要翻译: 制备乙醇和/或高级醇的方法包括以下步骤:(a)提供摩尔比高于0.5的一氧化碳和氢气的醇合成气; (c)向合成气中加入一定量的甲醇和/或高级醇以得到合成气体混合物。 (d)在催化合成气混合物转化为乙醇和/或高级醇的产物的一种或多种催化剂的存在下,转化来自步骤(c)的合成气混合物; 和(e)从步骤(d)中取出产物,其中通过在向合成气中加入甲醇和/或高级醇之前或之后除去铁和镍羰基化合物来纯化合成气,并且任选地(I)冷却所提取的产物 在步骤(e)中; 和(g)使冷却的产物与氢化催化剂接触。

    Process for the preparationn of hydrocarbons from oxygenates
    23.
    发明授权
    Process for the preparationn of hydrocarbons from oxygenates 有权
    从含氧化合物制备烃的方法

    公开(公告)号:US08067474B2

    公开(公告)日:2011-11-29

    申请号:US12725555

    申请日:2010-03-17

    IPC分类号: C07C27/00

    摘要: A process for the preparation of hydrocarbon products comprising the steps of a) providing a synthesis gas comprising hydrogen, carbon monoxide and carbon dioxide; (b) reacting at least part of the synthesis gas to an oxygenate mixture comprising methanol and dimethyl ether in presence of one or more catalysts which together catalyse a reaction of hydrogen and carbon monoxide to oxygenates at a pressure of at least 3 MPa; (c) withdrawing from step (b) a reaction mixture comprising amounts of methanol, dimethyl ether, carbon dioxide and water together with unreacted synthesis gas and cooling the reaction mixture to obtain a liquid phase with the amounts of methanol, dimethyl ether and water and simultaneously dissolving carbon dioxide in the liquid phase; (d) separating the carbon dioxide containing liquid phase from a remaining gaseous phase comprising hydrogen and carbon monoxide; (e) evaporating and reacting the liquid phase being withdrawn from step (d) in presence of a catalyst being active in the conversion of oxygenates to higher hydrocarbons and a tail gas comprising carbon dioxide; (f) separating tail gas from a liquid phase with the higher hydrocarbons; and wherein pressure employed in step (c) to step (f) is substantially the same as employed in step (b).

    摘要翻译: 一种用于制备烃产物的方法,包括以下步骤:a)提供包含氢气,一氧化碳和二氧化碳的合成气体; (b)在一种或多种催化剂的存在下使至少部分合成气与包含甲醇和二甲醚的含氧化合物反应,所述催化剂在至少3MPa的压力下共同催化氢和一氧化碳与含氧化合物的反应; (c)从步骤(b)中取出含有甲醇,二甲醚,二氧化碳和水以及未反应的合成气的反应混合物并冷却反应混合物以获得具有甲醇,二甲醚和水的量的液相,以及 同时将二氧化碳溶解在液相中; (d)从包含氢气和一氧化碳的剩余气相中分离含二氧化碳的液相; (e)在将氧化物转化为高级烃和包含二氧化碳的尾气的催化剂存在下,使从步骤(d)中取出的液相蒸发和反应; (f)用高级烃分离尾气与液相; 并且其中在步骤(c)至步骤(f)中使用的压力与步骤(b)中采用的基本相同。

    Process for reforming ethanol to hydrogen-rich products
    25.
    发明授权
    Process for reforming ethanol to hydrogen-rich products 有权
    将乙醇重整成富氢产品的方法

    公开(公告)号:US07585339B2

    公开(公告)日:2009-09-08

    申请号:US10940762

    申请日:2004-09-15

    IPC分类号: C01B3/02

    摘要: Process for selectively reforming ethanol to a hydrogen-rich product in the presence of at least one catalyst comprising a catalytically active material supported on a carrier, the process comprising the following steps in which the at least one catalyst is active: transferring a stream of ethanol and steam and a hydrogen-comprising stream, the molar ratio of ethanol to hydrogen being 0.2-1, to a dehydration/hydrogenation reactor for dehydrating ethanol to ethylene and for hydrogenating ethylene to produce an ethane-containing stream, adiabatically pre-reforming the ethane-comprising stream to a stream comprising methane, steam reforming the stream comprising methane to produce a mixture comprising hydrogen and carbon monoxide, converting the mixture comprising hydrogen and carbon monoxide from the steam reforming step under water gas shift conditions to produce a hydrogen-rich product stream.

    摘要翻译: 在至少一种包含负载在载体上的催化活性物质的催化剂存在下,将乙醇选择性地重整成富氢产物的方法,所述方法包括以下步骤:其中所述至少一种催化剂是有活性的:将乙醇流 和蒸汽和含氢气流,乙醇与氢气的摩尔比为0.2-1,用于脱乙醇/氢化反应器,用于将乙醇脱水成乙烯和氢化乙烯以产生含乙烷的流,绝热地重整乙烷 包含甲烷的流,对包含甲烷的流进行蒸汽重整以产生包含氢气和一氧化碳的混合物,在水煤气变换条件下将来自蒸汽重整步骤的氢和一氧化碳的混合物转化,以产生富氢产物 流。

    Process for the preparation of hydrocarbons from synthesis gas
    27.
    发明授权
    Process for the preparation of hydrocarbons from synthesis gas 有权
    从合成气制备碳氢化合物的方法

    公开(公告)号:US08598238B2

    公开(公告)日:2013-12-03

    申请号:US13376545

    申请日:2010-06-03

    IPC分类号: C07C27/00

    摘要: A process for the preparation of hydrocarbon products comprising the steps of (a) providing a synthesis gas comprising hydrogen, carbon monoxide and carbon dioxide; (b) reacting the synthesis gas to an oxygenate mixture comprising methanol and dimethyl ether in presence of one or more catalysts which together catalyse a reaction of hydrogen and carbon monoxide to oxygenates at a pressure of at least 4 MPa; (c) withdrawing from step (b) the oxygenate mixture comprising amounts of methanol, dimethyl ether, carbon dioxide and water together with unreacted synthesis gas and introducing the entire amount of the oxygenate mixture without further treatment into a catalytic oxygenate conversion step (d); (d) reacting the oxygenate mixture in presence of a catalyst being active in the conversion of oxygenates to higher hydrocarbons; (e) withdrawing an effluent from step (d) and separating the effluent into a tail gas, a liquid hydrocarbon phase containing the higher hydrocarbons produced in step. (d) and a liquid aqueous phase, wherein the pressure employed in steps (c) to (e) is substantially the same as employed in step (b).

    摘要翻译: 一种用于制备烃产物的方法,包括以下步骤:(a)提供包含氢气,一氧化碳和二氧化碳的合成气; (b)在一种或多种催化剂的存在下使合成气与包含甲醇和二甲醚的含氧混合物反应,所述催化剂在至少4MPa的压力下一起催化氢和一氧化碳与含氧化合物的反应; (c)从步骤(b)中取出含有甲醇,二甲醚,二氧化碳和水的含氧化合物混合物以及未反应的合成气,并将全部量的含氧化合物混合物引入催化氧化合物转化步骤(d)中, ; (d)在含氧化合物转化为高级烃的催化剂存在下使含氧化合物混合物反应; (e)取出来自步骤(d)的流出物并将流出物分离成尾气,所述尾气是包含步骤中产生的高级烃的液体烃相。 (d)和液体水相,其中步骤(c)至(e)中使用的压力基本上与步骤(b)中使用的相同。