A process for treating effluent streams in a renewable transportation fuel production process is described. One or more of the sour water stream and an acid gas stream are treated directly in thermal oxidation section. The process allows the elimination or size reduction of a sour water stripper unit, waste water treatment plant, and sulfur recovery unit.

A process for treating effluent streams in a renewable transportation fuel production process is described. One or more of the sour water stream and an acid gas stream are treated directly in thermal oxidation section. The process allows the elimination or size reduction of a sour water stripper unit, waste water treatment plant, and sulfur recovery unit.

Disclosed are methods useful in applications relating to blast furnace processes. The methods of the present invention provide enhanced deposition inhibition of particulate matter in top-pressure recovery turbines. The methods of the present invention comprise adding nitrogen-containing compounds to a top-pressure recovery turbine, inhibiting deposition of solids formed from blast furnace gas on top-pressure recovery turbine components.

Disclosed are methods useful in applications relating to blast furnace processes. The methods of the present invention provide enhanced deposition inhibition of particulate matter in top-pressure recovery turbines. The methods of the present invention comprise adding nitrogen-containing compounds to a top-pressure recovery turbine, inhibiting deposition of solids formed from blast furnace gas on top-pressure recovery turbine components.

A method for producing a hydrocarbon product from a hydrocarbon mixture containing at least 1 ppm of organically bound halogen includes providing the hydrocarbon mixture containing at least 1 ppm of organically bound halogen, heating the hydrocarbon mixture in order to obtain a gaseous hydrocarbon stream, bringing the gaseous hydrocarbon stream into contact with a composition containing at least one nitrogen compound in order to obtain a gaseous mixture, as a result of which organically bound halogen is converted into halide ions, and separating the halide ions in order to obtain the hydrocarbon product.

A method of forming a syngas for producing liquid hydrocarbons, the method comprising: providing a feed gas comprising carbon dioxide, hydrogen and compounds of sulfur; providing a carbon-monoxide-enriched feed gas by passing the feed gas to a reverse-water-gas-shift reaction chamber to convert a portion of the carbon dioxide and a portion of the hydrogen to carbon monoxide and water, and to convert at least a portion of the compounds of sulfur to hydrogen sulfide; passing the carbon-monoxide-enriched feed gas to a carbon-dioxide-removal unit to provide the syngas and a carbon-dioxide-enriched stream, the carbon-dioxide-enriched stream comprising carbon dioxide and hydrogen sulfide; providing a purified carbon-dioxide stream by passing the carbon-dioxide-enriched stream to a hydrogen-sulfide-removal unit to remove hydrogen sulfide from the carbon-dioxide-enriched stream; and recycling the purified carbon-dioxide stream into the feed gas.

A sour gas stream is sub-stoichiometrically combusted to produce soot and a sour syngas stream. At least 10% of the carbon in the sour gas stream is converted into the soot. At least a portion of the hydrogen sulfide of the sour syngas stream is reacted with sulfur dioxide to produce a syngas stream comprising the carbon dioxide, the carbon monoxide, the hydrogen, water, elemental sulfur vapor, a residual portion of the hydrogen sulfide, and a residual portion of the sulfur dioxide. The syngas stream is reacted with steam to produce a shifted sour gas stream including more carbon dioxide, more hydrogen, more hydrogen sulfide, and less carbon monoxide in comparison to the syngas stream. Water and hydrogen sulfide is separated from the shifted sour gas stream to produce a sweet gas stream. The sweet gas stream is separated into a hydrogen product stream and an exhaust stream.

A system and method of producing syngas is provided. The system includes a low tar gasification generator that receives at least a first and second feedstock stream, such as a solid waste stream. The first and second feedstock streams are mixed and gasified to produce a first gas stream. An operating parameter is measured and a ratio of the first and second feedstock streams is changed in response to the measurement.

A sour gas stream is sub-stoichiometrically combusted to produce soot and a sour syngas stream. At least 10% of the carbon in the sour gas stream is converted into the soot. At least a portion of the hydrogen sulfide of the sour syngas stream is reacted with sulfur dioxide to produce a syngas stream comprising the carbon dioxide, the carbon monoxide, the hydrogen, water, elemental sulfur vapor, a residual portion of the hydrogen sulfide, and a residual portion of the sulfur dioxide. The syngas stream is reacted with steam to produce a shifted sour gas stream including more carbon dioxide, more hydrogen, more hydrogen sulfide, and less carbon monoxide in comparison to the syngas stream. Water and hydrogen sulfide is separated from the shifted sour gas stream to produce a sweet gas stream. The sweet gas stream is separated into a hydrogen product stream and an exhaust stream.

Provided is a biomass gasification and carbon capture coupled system to solve the problem that how to realize efficient utilization of the biomass energy, effective emission reduction of the carbon dioxide (CO.sub.2), and low-cost production of the alkaline compounds. The biomass gasification and carbon capture coupled system includes a fluidized bed device configured to gasify a biomass raw material, where an output end of the fluidized bed device is connected to a pressure swing adsorption (PSA) device; an output end of the PSA device is connected to an ammonia (NH.sub.3) production device; an output end of the NH.sub.3 production device is connected to a carbon capture device; the PSA device is further connected to a heat utilization device; and the heat utilization device is configured to provide heat energy for the NH.sub.3 production device.