SUPPORT STRUCTURE FOR A CATALYST
    71.
    发明申请
    SUPPORT STRUCTURE FOR A CATALYST 审中-公开
    催化剂支撑结构

    公开(公告)号:WO1997047926A1

    公开(公告)日:1997-12-18

    申请号:PCT/US1996009910

    申请日:1996-06-10

    CPC classification number: F23R3/40 F05B2230/60 F05B2230/606

    Abstract: A support structure (53) for securing a catalyst structure (52) comprising a multiplicity of longitudinally disposed channels for passage of a flowing gas mixture within a reactor, said support structure being comprised of a monolithic open celled or honeycomb-like structure formed by thin strips or ribs of high temperature resistant metal or ceramic which abuts against one end of the catalyst structure, and extends in a direction perpendicular to the longitudinal axis of the catalyst structure to essentially cover an end face (at either the inlet end or outlet end or both) of the catalyst structure with the support structure being secured (54) on its periphery to the reactor wall. The strips or ribs making up the support structure are bounded together to form a unitary structure having cellular openings at least as large as the catalyst structure channel openings. The cellular openings in the support structure are also positioned to be in fluid communication with the channels of the catalyst structure thus affording essentially unaltered gas flow (50) from the catalyst structure through the support structure.

    Abstract translation: 一种用于固定催化剂结构(52)的支撑结构(53),所述催化剂结构(52)包括多个纵向设置的通道,用于使反应器内的流动气体混合物通过,所述支撑结构包括由薄的薄片形成的单片开孔或蜂窝状结构 耐高温金属或陶瓷的条或肋邻接催化剂结构的一端,并且沿着垂直于催化剂结构的纵向轴线的方向延伸,以基本上覆盖端面(在入口端或出口端或 两个)催化剂结构,其中支撑结构在其周边上被固定(54)到反应器壁上。 构成支撑结构的条或肋条被结合在一起以形成具有至少与催化剂结构通道开口一样大的孔口的整体结构。 支撑结构中的细胞开口还被定位成与催化剂结构的通道流体连通,从而从催化剂结构通过支撑结构提供基本上未改变的气流(50)。

    COMBUSTION PROCESS AND CATALYST STRUCTURE
    72.
    发明申请
    COMBUSTION PROCESS AND CATALYST STRUCTURE 审中-公开
    燃烧过程和催化剂结构

    公开(公告)号:WO1997028357A1

    公开(公告)日:1997-08-07

    申请号:PCT/US1996001718

    申请日:1996-01-31

    Abstract: This invention is an improved catalyst structure and its use in highly exothermic processes like catalytic combustion. This improved catalyst structure employs integral heat exchange in an array of longitudinally disposed, adjacent reaction passageways or channels, which are either catalyst-coated or catalyst-free, wherein the configuration of the catalyst-coated channels differs from the non-catalyst channels such that, when applied in exothermic reaction processes, such as catalytic combustion, the desired reaction is promoted in the catalytic channels and substantially limited in the non-catalyst channels. The invention further comprises an improved reaction system and process for combustion of a fuel wherein catalytic combustion using a catalyst structure (112) employing integral heat exchange, preferably the improved structures of the invention, affords a partially-combusted, gaseous product which is passed to a homogeneous combustion zone (114) where complete combustion is promoted by a flameholder (118) including combustion processes where extremely lean fuel/air mixtures can be employed to afford complete combustion with little or no concomitant NOx production.

    Abstract translation: 本发明是改进的催化剂结构及其在高度放热过程如催化燃烧中的应用。 这种改进的催化剂结构在纵向设置的相邻的反应通道或通道的阵列中采用整体热交换,它们是催化剂涂覆的或不含催化剂的,其中催化剂涂覆的通道的构型不同于非催化剂通道,使得 当用于放热反应过程如催化燃烧时,在催化通道中促进所需的反应,并且在非催化剂通道中基本上受限制。 本发明还包括改进的燃料燃烧反应系统和方法,其中使用采用整体热交换的催化剂结构(112)的催化燃烧,优选本发明的改进结构,提供部分燃烧的气态产物,其被传递到 均质燃烧区(114),其中完全燃烧由包括燃烧过程的火焰稳定器(118)促进,其中可以使用非常贫的燃料/空气混合物来提供几乎或不伴随的NOx产生的完全燃烧。

    PALLADIUM PARTIAL COMBUSTION CATALYSTS AND A PROCESS FOR USING THEM
    76.
    发明申请
    PALLADIUM PARTIAL COMBUSTION CATALYSTS AND A PROCESS FOR USING THEM 审中-公开
    气体部分燃烧催化剂及其使用方法

    公开(公告)号:WO1992009848A1

    公开(公告)日:1992-06-11

    申请号:PCT/US1991008918

    申请日:1991-11-26

    Abstract: This invention is a catalyst comprising palladium on a support (102) and a partial combustion process in which the fuel is partially combusted using that catalyst. The palladium catalyst (106) may also comprise palladium mixed with metals selected from Group VIII or IB, may be graded (Fig. 1b) such as to have higher activity in the forward edge (112) of the catalyst, or may be placed on a support comprising zirconia. The choice of catalysts (106) and supports (102, 110) specified each solves a variety of problems dealing with the long term stability of the palladium as a partial combustion catalyst. The catalyst structure is stable in operation, has a comparatively low operating temperature, has a low temperature at which oxidation begins, and yet is not susceptible to temperature "runaway". The combustion gas produced by the catalytic process typically is at a temperature below the autocombustive temperature and may be used at that temperature or it may be fed to other combustion stages for further use in a gas turbine, furnace, boiler, or the like.

    Abstract translation: 本发明是一种催化剂,其包含在载体(102)上的钯和部分燃烧方法,其中燃料使用该催化剂部分燃烧。 钯催化剂(106)还可以包含与选自VIII或IB族的金属混合的钯,其可以分级(图1b),例如在催化剂的前沿(112)中具有较高的活性,或者可以放置在 包含氧化锆的载体。 催化剂(106)和载体(102,110)的选择各自解决了作为部分燃烧催化剂的钯的长期稳定性的各种问题。 催化剂结构在运行中稳定,工作温度较低,氧化开始时温度低,但不易受温度“溢流”影响。 通过催化过程产生的燃烧气体通常处于低于自燃温度的温度,并且可以在该温度下使用,或者可以将其供给到其他燃烧级,以进一步用于燃气轮机,炉,锅炉等。

    CATALYTIC SYSTEM FOR OLEFIN OXIDATION TO CARBONYL PRODUCTS
    78.
    发明申请
    CATALYTIC SYSTEM FOR OLEFIN OXIDATION TO CARBONYL PRODUCTS 审中-公开
    用于烯烃氧化成羰基产物的催化体系

    公开(公告)号:WO1991013851A1

    公开(公告)日:1991-09-19

    申请号:PCT/US1991001508

    申请日:1991-03-05

    Inventor: CATALYTICA, INC.

    Abstract: The present invention provides aqueous catalyst solutions useful for oxidation of olefins to carbonyl products, comprising a palladium catalyst, a polyoxoacid or polyoxoanion oxidant comprising vanadium, and chloride ions. It also provides processes for oxidation of olefins to carbonyl products, comprising contacting olefin with the aqueous catalyst solutions of the present invention. It also provides processes for oxidation of olefins to carbonyl products by dioxygen, comprising contacting olefin with the aqueous catalyst solutions of the present invention, and further comprising contacting dioxygen with the aqueous catalyst solutions. The present invention also provides a process for the oxidation of palladium (0) to palladium (II) comprising contacting the palladium (0) with an aqueous solution comprising chloride ions and a polyoxoacid or polyoxoanion oxidant comprising vanadium.

    Abstract translation: 本发明提供了用于将烯烃氧化成羰基产物的含水催化剂溶液,其包含钯催化剂,包含钒和氯离子的聚氧酸或聚氧化负离子氧化剂。 它还提供了将烯烃氧化成羰基产物的方法,包括使烯烃与本发明的含水催化剂溶液接触。 它还提供了通过双氧将烯烃氧化成羰基产物的方法,包括使烯烃与本发明的含水催化剂溶液接触,并且还包括使二氧化铈与含水催化剂溶液接触。 本发明还提供了将钯(0)氧化成钯(II)的方法,包括使钯(0)与包含氯离子的水溶液和包含钒的多氧酸或多氧阴离子氧化剂接触。

    PREPARATION OF PHOSPHOMOLYBDOVANADATE POLYOXOANIONS
    79.
    发明申请
    PREPARATION OF PHOSPHOMOLYBDOVANADATE POLYOXOANIONS 审中-公开
    磷酰胺多糖的制备

    公开(公告)号:WO1991013681A1

    公开(公告)日:1991-09-19

    申请号:PCT/US1991001517

    申请日:1991-03-05

    Inventor: CATALYTICA, INC.

    Abstract: The present invention provides a process for the preparation of acidic aqueous solutions consisting essentially of phosphomolybdovanadate salts. Certain processes of the present invention dissolve in water an oxide, oxoacid, or mixtures thereof, and at least one oxoanion salt of phosphorus, molybdenum, and vanadium, wherein the sum of salt cationic charges does not exceed the sum of the phosphomolybdovanadate anionic charges in the solution. Other processes of the present invention dissolve in water a) an oxide, oxoacid, oxoanion salt, or mixtures thereof of phosphorus, molybdenum, and vanadium and b) a carbonate salt, bicarbonate salt, hydroxide salt or mixtures thereof, wherein the sum of salt cationic charges does not exceed the sum of the phosphomolybdovanadate anionic charges in the solution. The present invention also provides processes for the preparation of solid phosphomolybdovanadate salts by evaporating the so produced aqueous solutions to recover essentially all the dissolved phosphomolybdovanadate salt in solid form.

    Abstract translation: 本发明提供了一种制备基本上由磷钼钒酸盐组成的酸性水溶液的方法。 本发明的某些方法在水中溶解氧化物,含氧酸或其混合物,以及磷,钼和钒的至少一种氧阴离子盐,其中盐阳离子电荷的总和不超过磷钼钒酸盐阴离子电荷的总和 解决方案。 本发明的其它方法溶解于水中a)氧,氧酸,氧代阴离子盐或其磷,钼和钒的混合物,和b)碳酸盐,碳酸氢盐,氢氧化物盐或其混合物,其中盐的总和 阳离子电荷不超过溶液中磷钼钒酸盐阴离子电荷的总和。 本发明还提供了通过蒸发所产生的水溶液来制备固体磷钼钒酸盐的方法,以基本上全部溶解固体形式的溶解的磷钼钒酸盐。

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