Abstract: Process for the preparation of dimethyl ether product by catalytic conversion of synthesis gas to dimethyl ether comprising the steps of contacting a stream of synthesis gas comprising carbon dioxide in a dimethyl ether synthesis step in one or more reactors and with one or more catalysts active in the formation of methanol and dehydration of methanol to dimethyl ether and forming a product mixture comprising dimethyl ether, carbon dioxide and unconverted synthesis gas; cooling and separating the product mixture into a first liquid phase comprising dimethyl ether and carbon dioxide being dissolved in the formed dimethyl ether, and into a first gaseous phase comprising unconverted synthesis gas containing carbon monoxide and carbon dioxide; passing the first liquid phase to a scrubbing zone and contacting the phase with a liquid sorbent being effective in absorption of carbon dioxide; and withdrawing a dimethyl ether product being depleted in carbon dioxide from the scrubbing zone.

Abstract: Process for the synthesis of hydrocarbon constituents of gasoline comprising catalytic conversion in a gasoline synthesis step of an oxygenate-containing feed comprising methanol and/or dimethyl ether and a mixture of at least on a total oxygenate basis 0.05 wt % C3+ higher alcohols and/or their oxygenate equivalents to hydrocarbon constituents of gasoline.

Abstract: An energy generation system including a primer mover producing a power output, and a combustion product outlet stream; and a steam generator wherein a water inlet stream and the combustion product outlet stream exchange heat to produce at least one steam outlet stream is provided. The steam generator further comprises at least one set of supplemental burners situated in the path of the combustion product outlet stream, and a hydrogen fuel inlet stream at least a portion of which is combusted in at least one of the supplemental burners or the prime mover.

Abstract: It is to provide a method for manufacturing a hydrocarbon, with which a hydrocarbon is produced at a high yield even under the condition of an ordinary temperature and an ordinary pressure. A method for manufacturing a hydrocarbon, in which carbon dioxide is reduced to produce the hydrocarbon, the method includes a step of producing the hydrocarbon by bringing magnesium or a magnesium compound such as magnesium oxide into contact with water and the carbon dioxide and reducing the carbon dioxide. Examples of the magnesium compound include magnesium oxide, magnesium hydroxide, magnesium carbonate, and basic magnesium carbonate.

Abstract: In a synthesis gas methanation process, at least one first fraction of synthesis gas to treat is fed, together with steam, to a shift reactor where a shift reaction occurs; the gas flow produced in the shift reactor is then fed to a first methanation reactor where a methanation reaction occurs and then to further second methanation reactors in series, where further methanation reactions, performed with the addition of fresh synthesis gas which has not been subjected to the shift reaction.

Abstract: The present invention includes a removable microchannel unit including an inlet orifice and an outlet orifice in fluid communication with a plurality of microchannels distributed throughout the removable microchannel unit, and a pressurized vessel adapted have the removable microchannel unit mounted thereto, the pressurized vessel adapted to contain a pressurized fluid exerting a positive gauge pressure upon at least a portion of the exterior of the removable microchannel unit. The invention also includes a microchannel unit assembly comprising a microchannel unit operation carried out within a pressurized vessel, where pressurized vessel includes a pressurized fluid exerting a positive gauge pressure upon an exterior of the microchannel unit operation, and where the microchannel unit operation includes an outlet orifice in fluid communication with an interior of the pressurized vessel.

Abstract: The present disclosure relates to a reducing method of carbon dioxide using sunlight and hydrogen, and an apparatus therefor.

Abstract: A monolith catalyst carrier for insertion in a tube of a tubular reactor has a container for holding a monolith catalyst in use. The container has a bottom surface closing the container and a skirt extending upwardly from the bottom surface of the container to a position below the location of a seal and spaced therefrom. The skirt is positioned such that there is a space between an outer surface of the monolith catalyst and the skirt. A seal is located at or near a top surface of the monolith catalyst and extends from the monolith catalyst by a distance which extends beyond an outer surface of the skirt.

Abstract: A process and system for producing high octane fuel from carbon dioxide and water is disclosed. The feedstock for the production line is industrial carbon dioxide and water, which may be of lower quality. The end product can be high octane gasoline, high cetane diesel or other liquid hydrocarbon mixtures suitable for driving conventional combustion engines or hydrocarbons suitable for further industrial processing or commercial use. Products, such as dimethyl ether or methanol may also be withdrawn from the production line. The process is nearly emission free and reprocesses all hydrocarbons not suitable for liquid fuel to form high octane products. The heat generated by exothermic reactions in the process is fully utilized as is the heat produced in the reprocessing of hydrocarbons not suitable for liquid fuel.

Abstract: A synthesis gas conversion process for carrying out the process is disclosed. A hydrogen-containing sweep gas is caused to flow across a water permselective membrane adjacent a synthesis gas conversion reaction zone in which synthesis gas is contacted with a catalyst and converted to effluent including water. Water is removed from the reaction zone through the membrane. The sweep gas has sufficient hydrogen partial pressure to cause hydrogen to pass through the membrane into the reaction zone.

Abstract: In a synthesis gas methanation process, at least one first fraction of synthesis gas to treat is fed, together with steam, to a shift reactor where a shift reaction occurs; the gas flow produced in the shift reactor is then fed to a first methanation reactor where a methanation reaction occurs and then to further second methanation reactors in series, where further methanation reactions, performed with the addition of fresh synthesis gas which has not been subjected to the shift reaction.

Abstract: A process for the production of methane comprising reacting at least part of a feed gas containing carbon monoxide and hydrogen in an internally cooled methanation reactor containing a nickel comprising methanation catalyst to produce a product gas containing methane, cooling the internally cooled methanation reactor with water, wherein the water enters the internally cooled methanation reactor at a temperature in the range from 20-120° C. below its boiling temperature.

Abstract: Method and reactor for performing Fischer-Tropsch (FT) synthesis with controlled steam partial pressure by introducing cool points in the FT reactor, typically in form of cooled solid surfaces. At the surface, the low temperature will force condensation of the water into a liquid film. Thereby, the partial pressure of steam in the gas and reactor will not exceed significantly the vapour partial pressure at the liquid film and water from the gas stream will be removed as it is produced, i.e. steam induced deactivation is avoided. In addition, the decrease of hydrogen and carbon monoxide partial pressures due to dilution by steam will be kept low ensuring a constant high reaction rate.

Abstract: A synthesis gas is produced from a carbon-containing starting material such as a coal; a CO-containing gas is separated from the resultant synthesis gas, whereby obtaining a gas containing carbon monoxide and hydrogen; a methanol- and/or dimethyl ether-containing gas is produced from the resultant gas containing carbon monoxide and hydrogen; meanwhile, a H2-containing gas is produced from the CO-containing gas and the H2O-containing gas separated from the lower-paraffin-containing gas by a shift reaction; a lower-paraffin-containing gas containing propane or butane as a main component of hydrocarbons contained therein is produced from the methanol- and/or dimethyl ether-containing gas and the H2-containing gas; and a H2O-containing gas is separated from the resultant lower-paraffin-containing gas, whereby obtaining a liquefied petroleum gas.

Abstract: Process for the preparation of dimethyl ether product by catalytic conversion of synthesis gas to dimethyl ether comprising contacting a stream of synthesis gas comprising carbon dioxide with one or more catalysts active in the formation of methanol and the dehydration of methanol to dimethyl ether to form a product mixture comprising the components dimethyl ether, methanol, carbon dioxide and unconverted synthesis gas, washing the product mixture comprising carbon dioxide and unconverted synthesis gas in a scrubbing zone with a liquid solvent being rich in potassium carbonate or amine and thereby selectively absorbing carbon dioxide in the liquid solvent, subjecting the thus treated product mixture to a distillation step to separate methanol and water from dimethyl ether and unconverted synthesis gas stream with a reduced content of carbon dioxide and separating the unconverted synthesis gas from the dimethyl ether product.

Abstract: Implementing at least one endothermic and/or exothermic reaction in a compact reactor which has passages for conducting gaseous and/or liquid media, through which passages the reactants of the endothermic or exothermic reaction as well as a heating medium or coolant are sent, whereby a) The endothermic reaction is implemented in heat exchange with a heating medium, b) The endothermic reaction is implemented in heat exchange with an exothermic reaction, or c) The exothermic reaction is implemented in heat exchange with a coolant. The heat exchange between the media mentioned in a) to c) is carried out indirectly and via a third gaseous and/or liquid medium (moderation medium).

Abstract: The process and system of the embodiments utilize a reactive separation unit to upgrade a bioprocess intermediate stream to higher value liquid fuels or chemicals. The reactive separation unit simultaneously enables molecular weight and density increases, oxygen content reduction, efficient process energy integration, optional water separation for potential reuse, and incorporation of additional hydrocarbons or oxygenated hydrocarbons as co-feed(s). The use and selection of particular co-feed(s) for this purpose enables tailoring of the intended product composition. The process and system yields a product of higher alcohols, liquid hydrocarbons, or a combination of these. These can be split into two (or more) boiling point fractions by the same reactive separations unit operation resulting in product(s) that can be used as chemicals, chemical intermediates, or alternative (non-fossil-based) liquid transportation fuels.

Abstract: Process for the preparation of dimethyl ether product by catalytic conversion of synthesis gas to dimethyl ether comprising contacting a stream of synthesis gas comprising carbon dioxide with one or more catalysts active in the formation of methanol and the dehydration of methanol to dimethyl ether to form a product mixture comprising the components dimethyl ether, methanol, carbon dioxide and unconverted synthesis gas, washing the product mixture comprising carbon dioxide and unconverted synthesis gas in a scrubbing zone with a liquid solvent being rich in potassium carbonate or amine and thereby selectively absorbing carbon dioxide in the liquid solvent, subjecting the thus treated product mixture to a distillation step to separate methanol and water from dimethyl ether and unconverted synthesis gas stream with a reduced content of carbon dioxide and separating the unconverted synthesis gas from the dimethyl ether product.

Abstract: The invention relates to a process for preparing Cu/Zn/Al catalysts. In this process, the metals are used in the form of their formates and are precipitated in a suitable form. Suitable precipitants are, for example, alkali metal carbonates. The invention further relates to a catalyst as can be obtained by the process according to the invention and to its use.

Abstract: A gasification plant and methods for producing ammonia, Fischer-Tropsch fuels, electrical power, and/or sulfur from carbon-bearing feedstocks including coal and/or petroleum coke. Methods for production of desired relative amounts of ammonia and Fischer-Tropsch liquid hydrocarbons by adjusting the amount of synthesis gas bypassing the Fischer-Tropsch reactor. The multi-product and integrated plants may be used to reduce the amount of CO2 vented into the atmosphere during the production of these products.

Abstract: A catalyst for producing a liquefied petroleum gas according to the present invention comprises a Pd-based methanol synthesis catalyst component and a ?-zeolite catalyst component. It can be used in a reaction of carbon monoxide and hydrogen to give a hydrocarbon containing propane or butane as a main component, i.e., a liquefied petroleum gas, with high activity, high selectivity and high yield. Furthermore, the catalyst has a longer catalyst life with less deterioration.

Abstract: A process for the conversion of synthesis gas to higher hydrocarbons by synthesis gas, at an elevated temperature and pressure, with a suspension of a particulate Fischer-Tropsch catalyst, in a system comprising at least one high shear mixing zone and a reactor vessel wherein the process comprises: (a) passing the suspension and the gaseous stream through the high shear mixing zone wherein the gaseous stream is broken down into gas bubbles and/or irregularly shaped gas voids; (b) discharging suspension having gas bubbles and/or irregularly shaped gas voids dispersed therein from the high shear mixing zone into the reactor vessel; and (c) maintaining the temperature of the suspension discharged into the reactor vessel at the desired reaction temperature by means of an internal heat exchanger positioned within the suspension in the reactor vessel. At least 5% of the exothermic heat of reaction is removed from the system by means of the internal heat exchanger.

Abstract: Process for the conversion of synthesis gas to hydrocarbons, at least a portion of which are liquid at ambient temperature and pressure, by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprising a particulate Fischer-Tropsch catalyst suspended in a liquid medium, in a reactor system comprising at least one high shear mixing zone and a reactor vessel. The process comprises passing the suspension and synthesis gas through the high shear mixing zone(s) where the synthesis gas is broken down into gas bubbles and/or irregularly shaped gas voids; discharging suspension having gas bubbles and/or irregularly shaped gas voids dispersed therein from the high shear mixing zone(s) into the reactor vessel; and introducing a liquid coolant into the reactor system.

Abstract: Process for the conversion of synthesis gas to higher hydrocarbons. A gaseous stream comprising synthesis gas is contacted at an elevated temperature and pressure with a suspension comprising a particulate Fischer-Tropsch catalyst suspended in a liquid medium, in a reactor system comprising at least one high shear mixing zone and a tubular loop reactor. The suspension and the gaseous stream are passed through the high shear mixing zone(s) wherein the gaseous stream is broken down into gas bubbles and/or irregularly shaped gas voids. Suspension having gas bubbles and/or irregularly shaped gas voids dispersed therein is discharged from the high shear mixing zone(s) into the tubular loop reactor, the discharged suspension is circulated around the tubular loop reactor, and a product suspension stream comprising at least a portion of the circulating suspension is withdrawn from the tubular loop reactor.

Abstract: The present invention provides an apparatus and method for optimizing the degree of backmixing within a gas agitated multiphase reactor at a given gas linear velocity. The embodiments of the present invention involve novel configurations of the multiphase reactor internal structures. In general, the configurations comprise creating a dense area of internal structures in the central region and/or wall regions of the multiphase reactor.

Abstract: A process for the production of liquid hydrocarbon products from synthesis gas in a system comprising a reaction zone and a gas separation zone wherein the process comprises: a) in the reaction zone, contacting synthesis gas at elevated temperature and pressure with a suspension of a particulate Fischer-Tropsch catalyst in a liquid medium so as to convert at least a portion of the synthesis gas into liquid hydrocarbon products; b) discharging a product suspension comprising catalyst suspended in the liquid medium and the liquid hydrocarbon products from the reaction zone into the gas separation zone, the product suspension having unconverted synthesis gas dissolved and/or entrained therein; c) in the gas separation zone, separating a gaseous stream comprising unconverted synthesis gas from the product suspension; d) recycling at least a portion of the separated gaseous stream to the reaction zone; and e) recycling at least a portion of the degassed product suspension from the gas separation zone to the reacti

Abstract: The present invention relates to the use of deactivatable biocides for hydrocarbonaceous products, in particular, rapidly biodegradable hydrocarbonaceous products. The present invention also relates to methods of inhibiting growth and reproduction of microorganisms in hydrocarbonaceous products, in particular, in rapidly biodegradable hydrocarbonaceous products, containing minor amounts of aqueous liquids. The deactivatable biocides of the present invention may be derived from a Fischer-Tropsch process.

Abstract: The present invention is generally directed to handling the wastewater, or condensate, from a hydrocarbon synthesis reactor. More particularly, the present invention provides a process wherein the wastewater of a hydrocarbon synthesis reactor, such as a Fischer-Tropsch reactor, is sent to a gasifier and subsequently reacted with steam and oxygen at high temperatures and pressures so as to produce synthesis gas. The wastewater may also be recycled back to a slurry preparation stage, where solid combustible organic materials are pulverized and mixed with process water and the wastewater to form a slurry, after which the slurry fed to a gasifier where it is reacted with steam and oxygen at high temperatures and pressures so as to produce synthesis gas.

Abstract: Methanol is synthesised in a synthesis loop wherein recycled unreacted gas, optionally together with part of the make-up gas, is passed through a bed of synthesis catalyst under methanol synthesis conditions, make-up gas is then added and the mixture passed through at least one further bed of synthesis catalyst under methanol synthesis conditions prior to separation of the synthesised methanol. Preferably the further bed of synthesis catalyst is located in a heat exchange reactor producing pressurised hot water which is employed to saturate a hydrocarbon feedstock from which the make-up gas is produced by steam reforming.

Abstract: Methanol is synthesised in a synthesis loop wherein recycled unreacted gas, optionally together with part of the make-up gas, is passed through a bed of synthesis catalyst under methanol synthesis conditions, make-up gas is then added and the mixture passed through at least one further bed of synthesis catalyst under methanol synthesis conditions prior to separation of the synthesised methanol. Preferably the further bed of synthesis catalyst is located in a heat exchange reactor producing pressurised hot water which is employed to saturate a hydrocarbon feedstock from which the make-up gas is produced by steam reforming.

Abstract: This patent is concerned with a unique process for converting natural gas into hydrocarbons. More particularly, it concerns a novel combination of processing steps wherein the natural gas is first converted into syn gas, the hydrogen of which is reacted with carbon dioxide to produce a mixture of water and carbon monoxide which is then contacted with a metal catalyst to give a mixture of hydrocarbons.

Abstract: A process of converting a feed of hydrocarbon-containing gases into liquid hydrocarbon products including a first reaction of converting the feed into one to 2.5 parts of hydrogen to one part carbon monoxide in the presence of carbon dioxide and then secondly reacting the hydrogen and carbon monoxide in a Fischer-Tropsch synthesis reactor using a promoted iron oxide catalyst slurry to form liquid hydrocarbon products, wherein the carbon dioxide from the first and second reactions is separated from the product streams and at least a portion of the separated carbon dioxide is recycled into the first reaction feed.

Abstract: A particulate, precalcined low silica content zirconia, especially one stabilizer with yttria, is useful as a catalyst support or as a heat transfer solids component for conducting chemical reactions at high temperature, in oxidizing, reducing or hydrothermal conditions, especially in syn gas operations. An admixture of precalcined particulate low silica content zirconia, particularly a low silica content yttria-stabilized zirconia, is employed in a preferred embodiment as a heat transfer solid, in concentrations ranging generally from about 10 wt. % to about 99.9 wt. % with a particulate catalyst notably a nickel-on-alumina catalyst, in concentration ranging generally from about 0. 1 wt. % to about 90 wt. %. Such an admixture provides a particularly useful catalytic contact mass in high temperature oxidizing, reducing and hydrothermal environments, notably in conducting synthesis gas generation operations.

Abstract: The addition of water into a Fischer-Tropsch hydrocarbon synthesis reaction zone employing passing a CO and H.sub.2 feed mixture over a catalyst comprising cobalt, ruthenium and mixtures thereof preferably on a titania support and which may include a promoter metal, that results in 90% CO conversion to hydrocarbons and increased C.sub.5 + hydrocarbon selectivity, along with a decrease in methane production.

Abstract: In producing methanol by the reaction of carbon monoxide and hydrogen, a starting gas deficient in hydrogen, e.g. as produced by coal gasification, is mixed with a hydrogen rich gas and fed to a synthesis loop where it is mixed with unreacted gas from the synthesis stage. A part stream of gas is taken from the loop. Either that part stream, or the gas in the loop prior to synthesis, is subjected to the catalytic shift reaction with steam. Carbon dioxide is removed from the gas taken from the loop to form the hydrogen rich stream.

Abstract: The present invention relates to an improvement to a process for the production of methanol from synthesis gas containing carbon monoxide and hydrogen utilizing a three phase or liquid-phase reaction technology. The improvement to the process is the addition of relatively small amounts of water to the liquid-phase reactor thereby allowing for the use of a CO-rich synthesis gas for the production of methanol by effectuating in the same reactor the methanol synthesis and water-gas shift reactions. A portion of the unreacted synthesis gas stream from the liquid-phase reactor is separated into a hydrogen-rich component and a carbon monoxide-rich component.

Abstract: This invention relates to a process for synthesizing hydrocarbons; more particularly, the invention relates to a process for synthesizing long-chain hydrocarbons known as polymethylene from carbon monoxide and hydrogen or from carbon monoxide and water or mixtures thereof in the presence of a catalyst comprising iron and platinum or palladium or mixtures thereof which may be supported on a solid material, preferably an inorganic refractory oxide. This process may be used to convert a cabon monoxide containing gas to a product which could substitute for high density polyethylene.

Abstract: Silicon containing methanation catalysts e.g. those prepared by coprecipitation techniques, may be stabilized to prevent leaching of silicon species by a hydrothermal treatment comprising heating the reduced catalyst in a steam reducing gas atmosphere, lowering the temperature until liquid water species condense out, reheating to evaporate the condensed water and passivation in a mildly oxidizing atmosphere.

Abstract: A process is described using novel thallium-promoted iron catalysts in CO hydrogenation with steam. Mixtures of CO and steam are converted to liquid C.sub.6 -C.sub.13 hydrocarbons containing substantial amounts of C.sub.6 -C.sub.13 aromatics.

Abstract: A process for reacting carbon monoxide and water in the presence of a cadmium-containing catalyst is disclosed.

Abstract: This invention provides an improved, simple and energy saving process for producing a gas containing methane, which process utilizes a reactor having a catalyst bed of a structure wherein a synthesis gas is allowed to pass perpendicularly to the longitudinal directions of a plurality of cooling tubes installed vertically within the catalyst bed. Within the cooling tubes, a liquid coolant at its boiling temperature is flowed upwardly under pressure. A portion of the reaction product gas leaving the catalyst bed is mixed, without cooling, with fresh feed gas and is recirculated to the catalyst bed. The amount of the recycled gas is less than 5 times the amount of fresh feed gas. The foregoing process produces a product gas containing methane from a feed gas containing carbon monoxide and hydrogen.

Abstract: Process for the catalytic synthesis of methane by reaction of carbon oxides with hydrogen in the presence of liquid water, wherein the catalyst is formed of a carrier consisting either of coal or charcoal, preferably of plant origin, or of alumina-silica, on which is deposited ruthenium, for example by impregnation with ruthenium acetylacetonate, said catalyst being preferably used as particles suspended in water.

Abstract: Hydrocarbons and especially as gasoline are prepared by the catalytic conversion in two subsequent reactors of a synthesis gas containing hydrogen and carbon oxides and having a mole ratio CO/H.sub.2 above 1 and when the conversion commences a mole ratio CO/CO.sub.2 of 5 to 20. In the first reactor, which is preferably a cooled reactor, the synthesis gas is converted into a methane-containing first intermediate and this at least partly further into a second intermediate containing dimethyl ether, at 5-100 bar and 150.degree.-400.degree. C., in the presence of catalyst(s), the effluent from this reactor is combined with a recycle stream containing low boiling components of the effluent from the second reactor, and then passed to the second reactor, which is adiabatic, where the conversion of the second intermediate is carried out at substantially the same pressure as in the first reactor and 150.degree.-600.degree. C.

Abstract: Methane is produced by passing hydrogen, carbon monoxide and an aqueous liquid phase downwardly through a fixed bed of a catalyst containing ruthenium on a carrier such as alumina, separating and externally coolng in a heat exchanger the resultant aqueous phase before recycling, thereby limiting the reaction temperature within a range from 200.degree. to 320.degree. C.

Abstract: A method of catalytic conversion of feed gases, particularly of a low-sulphur gas mixture rich in carbon monoxide and hydrogen, into a product gas mixture containing methane and/or higher hydrocarbons under high pressure includes the step of removing heat of reaction from the catalytic conversion from a reaction zone by feeding both water and steam to form a cooling medium through a pipe coil in the reaction zone. This forms superheated steam in the pipe coil and the superheated steam is then converted into another form of energy, for example in a turbo-generator. Preferably the reaction zone is a fluidized bed. For carrying out this method a reactor is used, which is preferably a fluidized bed reactor and in this reactor the piping system forming the superheater is disposed in the lower part of the reaction zone. The superheater is connected to a feedwater line and to a steam inlet line and a steam turbine is connected to a steam output line leading from the superheater.

Abstract: Middle distillate hydrocarbons are produced from feed mixtures of carbon monoxide and hydrogen by contacting said feed at elevated temperature and pressure in a first stage with certain impregnated catalysts and contacting at least the middle distillate fraction of the product of the first stage in the presence of hyrogen with a catalyst containing at least one metal having hydrogenation activity supported on a porous carrier.

Abstract: A process for synthesizing light paraffinic hydrocarbons, preferably C.sub.1 -C.sub.3 in carbon number, from CO and steam is described utilizing novel molybdenum oxycarbonitride catalyst.

Abstract: Methane-rich gas is produced by reacting gas mixtures comprising CO and at least one member selected from the group consisting of H.sub.2 and H.sub.2 O, such as synthesis gas, in a reactor containing an improved unsupported catalyst comprising an alkali-metal promoted partially reduced mixture of at least one nickel uranate and at least one oxide of nickel. The weight percent uranium present in the activated catalyst, based on total weight of catalyst composition, is in the range of over 50 to about 90.

Abstract: The conversion of less than 1 H.sub.2 /CO ratio syngas to high yield of C.sub.3 plus product is accomplished with a CO reducing catalyst comprising shift characteristics and the product of Fischer-Tropsch synthesis is converted to premium gasoline and distillate fuels by contact with acidic ZSM-5 zeolite.The syngas conversion may be accomplished in any catalyst system permitting a very close temperature control on the exotherm encountered and the gasoline-distillate yield relationship may be varied as a function of temperature and pressure.

Abstract: A method of converting low H.sub.2 /CO ratio syngas to carbonaceous products comprising reacting the syngas with water or steam at 200.degree. to 350.degree. C. in the presence of a metal catalyst supported on zinc oxide. Hydrocarbons are produced with a catalyst selected from cobalt, nickel or ruthenium and alcohols are produced with a catalyst selected from palladium, platinium, ruthenium or copper on the zinc oxide support. The ratio of the reactants are such that for alcohols and saturated hydrocarbons:(2n+1).gtoreq.x.gtoreq.Oand for olefinic hydrocarbons:2n.gtoreq.x.gtoreq.Owhere n is the number of carbon atoms in the product and x is the molar amount of water in the reaction mixture.