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6855737 Fischer-tropsch process  
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...
6852762 Integrated process for hydrocarbon synthesis  
The invention relates to a process for producing liquid hydrocarbons from a hydrocarbonaceous feedstock involving: (i) catalylically reforming at least part of the hydrocarbonaceous feedstock at...
6849664 Process for disposing biocide-containing cooling water  
The present invention relates to the use of deactivatable biocides in cooling water systems of industrial processes that require dissipation of heat. The present invention relates to methods of...
6846404 Reducing CO2 levels in CO2-rich natural gases converted into liquid fuels  
Provided is a process for converting CO2-rich natural gas into liquid fuel. The process includes introducing a CO2-rich natural gas feed stream into a synthesis gas formation reactor and then...
6846848 Production of high purity fisher-tropsch wax  
A hydrocarbon wax product from a hydrocarbon synthesis slurry comprising liquid synthesis product and catalyst particles is purified by introducing a portion of hydrocarbon synthesis slurry from a...
6835756 Fischer-tropsch synthesis process  
Process for the conversion of synthesis gas to liquid hydrocarbon products by contacting, in a slurry reactor, synthesis gas at an elevated temperature and pressure with a suspension of catalyst...
6833078 Solid-liquid separation system  
Methods and apparatus for separating liquid products and catalyst fines from a slurry used in a Fischer-Tropsch reactor. A settling system continuously or intermittently removes catalyst fines...
6825237 Method for producing hydrocarbons from syngas in three-phase reactor  
A process for synthesising hydrocarbons by reacting a mixture comprising at least carbon monoxide and hydrogen in the presence of a catalyst is carried out in a three-phase reactor in which the...
6824574 Process for improving production of Fischer-Tropsch distillate fuels  
Olefins and alcohols present in Fischer-Tropsch light naphthas are converted to dialkyl ethers of the formula: R—O—R′ where R and R′ are each primarily non-tertiary alkyl groups of more than four...
6822006 Methods of controlling the temperature of an exothermic reaction  
Novel methods of controlling the temperature of an exothermic reaction are disclosed. Such methods are particularly applicable to a Fischer-Tropsch synthesis reaction, and comprise removing a...
6822007 Process for converting synthesis gas into higher hydrocarbons  
Apparatus suitable for the conversion of synthesis gas to liquid hydrocarbon products, comprising a plurality of injector-mixing nozzles, a tank reactor, a gas recycle line having a first end and...
6812260 Method of conducting an exothermic reaction  
A reactor comprises a plurality of triple tubes having reaction tube, inner tube and central tube and disposed in a main body of the reactor, a first supply port formed in the main body and...
6809122 Method for reducing the maximum water concentration in a multi-phase column reactor  
The present invention relates to a method and apparatus for reducing the maximum water concentration in multi-phase reactors operating at Fischer-Tropsch conditions. In a preferred embodiment of...
6809121 Cogeneration of methanol and electrical power  
A process for the production of methanol and/or dimethyl ether and/or other xygenates thereof, a H2-rich and a CO2-rich stream and an integrated plant for the production in said process of...
6806296 Process of producing liquid hydrocarbon oil or dimethyl ether from lower hydrocarbon gas containing carbon dioxide  
A process for the production of a liquid hydrocarbon oil from a gas feed containing a lower hydrocarbon and CO2, wherein the gas feed is mixed with H2O to obtain a mixed gas having specific CO2,...
6800579 Catalyst regeneration  
There is provided a process for regenerating the activity of used metal catalysts for the hydrogenation of carbon monoxide comprising decreasing the hydrocarbon content thereof, calcining under an...
6800101 Deactivatable biocides for hydrocarbonaceous products  
The present invention relates to the use of deactivatable biocides for hydrocarbonaceous products, in particular, rapidly biodegradable hydrocarbonaceous products. The present invention also...
6800665 Method for producing dimethyl ether  
A method for producing dimethyl ether comprising: (a) reacting a raw material gas containing carbon monoxide and hydrogen in the presence of a catalyst to produce a reaction gas including dimethyl...
6797252 Hydrocarbon gas to liquid conversion process  
The present invention is directed towards a process that allows for the adjustment of hydrogen concentration in a syngas product or Fischer-Tropsch feedstock stream. In particular, the invention...
6794417 System and method for treatment of water and disposal of contaminants produced by converting lighter hydrocarbons into heavier hydrocarbon  
A system and method are provided for treatment and disposal of water produced by converting a lighter hydrocarbon to a heavier hydrocarbon using a Fischer-Tropsch process. The system and method...
6787576 Linear alpha olefins from natural gas-derived synthesis gas over a nonshifting cobalt catalyst  
Linear alpha olefins having from four to twenty carbon atoms and low amounts of oxygenates are synthesized, by producing a synthesis gas containing H2 and CO from natural gas and passing it over a...
6784212 Production of liquid hydrocarbon products  
A process for producing liquid hydrocarbon products includes converting a natural gas feedstock to synthesis gas, which is reacted, in a hydrocarbon synthesis stage and by a Fischer-Tropsch...
6777451 Catalyst enhancement  
A process for enhancing metal catalysts for carbon monoxide hydrogenation comprising reducing the catalyst so that at least a portion is in the metallic state, impregnating under a non-oxidative...
6768035 Manufacture of high octane alkylate  
A Fischer-Tropsch C3-C4 olefin stream is simultaneously dehydrated and isomerized to convert alcohols to olefins and 1-butenes to 2-butenes and thereby lower the oxygenate content. Another...
6765025 Process for direct synthesis of diesel distillates with high quality from synthesis gas through Fischer-Tropsch synthesis  
Diesel fuels or blending stocks having excellent lubricity, oxidative stability and high cetane number are directly produced from synthesis gas over activated carbon supported cobalt based...
6762209 Bubble column apparatus for separating wax from catalyst slurry  
Novel methods and devices for production of liquid hydrocarbon products from gaseous reactants are disclosed. In one aspect, a method for separating a liquid hydrocarbon, typically a wax, from a...
6759438 Use of oxygen analysis by GC-AED for control of fischer-tropsch process and product blending  
Methods for producing a substantially paraffinic Fischer-Tropsch product or a blended Fischer Tropsch product comprising a selected oxygenate concentration, and if required, a selected oxygenate...
6756411 Process for producing oxygenated products  
A process for producing oxygenated products from an olefin-rich feedstock comprise reacting, in a hydroformylation stage, a Fischer-Tropsch derived olefinic product comprising linear and methyl...
6753354 Fischer-tropsch catalyst enhancement  
There is provided a process for hydrocarbon synthesis wherein a supported metal catalyst for hydrogenating carbon monoxide to form a mixture of hydrocarbons is regenerated by decreasing its...
6753352 Method for manufacturing synthesis gas and method for manufacturing methanol  
There is disclosed a method of manufacturing a synthesis gas comprising reacting hydrocarbons with water vapor in a reformer to produce a synthesis gas containing hydrogen, carbon monoxide and...
6753351 Supported catalyst activation  
A process for activating a supported metal catalyst or catalyst precursor useful for the hydrogenation of carbon monoxide to form a mixture of hydrocarbons, comprising reducing with a...
6753353 Method for production of mixed alcohols from synthesis gas  
A method for production of mixed alcohols by using a sulfided transition metal catalyst selected from Group VI metals; nano-sizing the metal catalyst during its synthesis; suspending the catalyst...
RE38532 Hydrodealkylation processes  
Carburization and metal-dusting while hydrodealkylating a hydrodealkylatable hydrocarbon are reduced even in the substantial absence of added sulfur.
6743829 Integrated processing of natural gas into liquid products  
An integrated process for producing LNG and GTL products is provided comprising cooling natural gas in at least one cooling step so as to provide a cooled natural gas stream; processing the cooled...
6740683 Chemicals from synthesis gas  
This invention relates to a process for selectively producing linear alcohols, olefins and paraffins from hydrogen-poor carbonaceous fuels such as coal, petroleum coke, or heavy residue oil in a...
6730221 Dynamic settler  
Catalyst particles are separated from the wax in a reactor slurry reactor by feeding a portion of the slurry to a dynamic settler. Heavier catalyst particles settle and are removed as the slurry...
6730708 Fischer-Tropsch processes and catalysts using aluminum borate supports  
A process is disclosed for the hydrogenation of carbon monoxide. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst system in a reaction zone...
6723756 Aqueous separation of syngas components  
Unreacted syngas containing CO2 from a Fischer-Tropsch synthesis reactor, a methanol synthesis reactor or a dual functional syngas conversion is scrubbed with an aqueous medium to adsorb at least...
6720358 Water stripping and catalyst/liquid product separation system  
The present invention relates to a method and system for water removal and optionally liquid product separation in slurry reactors operating at Fischer-Tropsch conditions. More particularly, the...
6720359 Scrubbing CO2 from a CO2-containing gas with an aqueous stream  
A process for removing CO2 from a CO2-containing gas. The process includes scrubbing CO2 from a CO2-containing gas using an aqueous phase liquid forming a CO2-enriched aqueous phase. The...
6717024 Slurry hydrocarbon synthesis with liquid hydroisomerization in the synthesis reactor  
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbon liquid, which...
6713657 Condensation of olefins in fischer tropsch tail gas  
Light olefins including LPG contained in unreacted tail gas from a Fischer-Tropsch process are catalytically condensed using an acidic oligomerization/aromatization catalyst to form higher...
6706770 Co-production of hydrogen and methanol from steam reformate  
Method for the production of methanol and hydrogen which comprises steam reforming a hydrocarbon-containing feed in a steam reforming zone to yield a synthesis gas comprising hydrogen, carbon...
6703429 Process for converting synthesis gas into hydrocarbonaceous products  
The present invention discloses a process for converting synthesis gas into hydrocarbonaceous products including the steps of: (a) subjecting a first portion of synthesis gas to a dual functional...
6703430 Slurry catalyst rejuvenation in-situ in slurry reactor  
A process for rejuvenating reversibly deactivated catalyst particles in a three-phase slurry body of gas bubbles and catalyst particles in a slurry liquid, includes passing slurry from the top...
6696502 Slurry hydrocarbon synthesis with fresh catalyst activity increase during hydrocarbon production  
Fresh catalyst particles are added to a slurry hydrocarbon synthesis reactor and their activity increased by contact with hydrogen in-situ in the slurry in a catalyst activity increasing means,...
6696501 Optimum integration of Fischer-Tropsch synthesis and syngas production  
A method is described for conversion of natural gas or other fossil fuels to higher hydrocarbons, comprising the following steps: a) reaction of natural gas with steam and oxygenic gas in at least...
6693138 Reduction of carbon dioxide emissions from Fischer-Tropsch GTL facility by aromatics production  
Provided is a process for reducing CO2 emissions generated by a Fischer-Tropsch GTL facility. The process includes introducing a synthesis gas into a Fischer-Tropsch reactor and performing a...
6686398 Method and arrangement for producing methanol  
By a method for the methanol synthesis from hydrogen, carbon monoxide and carbon dioxide under pressure, comprising at least one methanol reactor filled with catalyst, whereby in the presence of a...
6673845 Production of hydrocarbon products  
An integrated process for producing hydrocarbon products and energy includes reforming a hydrocarbonaceous gaseous feed stock to synthesis gas, and exothermally reacting the synthesis gas at...