General Electric Company

Arnaldo Frydman

Ke Liu

Paul Steven Wallace

Vladimir Zamansky

Narendra Digamber Joshi

Roy James Primus

Gregory Ronald Gillette

Parag Prakash Kulkarni

Pradeep Stanley Thacker

Jonathan Lloyd Male

Teresa Grocela Rocha

Sachin Suhas Naphad

Gregg Anthony Deluga

Aaron John Avagliano

Raul Eduardo Ayala

Harish Radhakrishna Acharya

Omprakash Mall

Qiong Zhou

Jinmesh Pranav Majmudar

Shailesh Vijay Potnis

Saumar Jyoti Hazarika

Thomas Glen Cobb

Gregory Anthony DeLuga

David Eric Ladd

Deila Peng

A method of producing substitute natural gas (SNG) includes providing a gasification reactor having a cavity defined at least partially by a first wall. The reactor also includes a first passage defined at least partially by at least a portion of the first wall and a second wall, wherein the first passage is in heat transfer communication with the first wall. The reactor further includes a second passage defined at least partially by at least a portion of the second wall and a third wall. The method also includes coupling the cavity in flow communication with the first and second passages. The method further includes producing a first synthetic gas (syngas) stream within the cavity. The method also includes channeling at least a portion of the first syngas stream to the first and second passages.

Methods to facilitate substitute natural gas production

A system includes a heat exchanger and an organic Rankine cycle system. The heat exchanger is configured to exchange heat between extraction air from a power block and nitrogen from an air separation unit. The organic Rankine cycle system is coupled to the heat exchanger. In addition, the organic Rankine cycle system is configured to convert heat from the extraction air into work.

Heat recovery using organic rankine cycle

A gas dehydrator system, including, a desiccant transport wheel configured to rotate a solid desiccant from a first dehydration section to a first regeneration section, a first gas path extending through the first dehydration section, wherein the solid desiccant is configured to collect moisture from a first gas in the first gas path, and a second gas path extending through the first regeneration section, wherein the solid desiccant is configured to release the moisture into a second gas in the second gas path to regenerate the solid desiccant.

Gas dehydration system with desiccant transporter

A method of producing substitute natural gas (SNG) includes providing at least one steam turbine engine. The method also includes providing a gasification system that includes at least one gas shift reactor configured to receive a boiler feedwater stream and a synthesis gas (syngas) stream. The at least one gas shift reactor is further configured to produce a high pressure steam stream. The method further includes producing a steam stream within the at least one gas shift reactor and channeling at least a portion of the steam stream to the at least one steam turbine engine.

Method and apparatus to facilitate substitute natural gas production

In one embodiment, a system includes a hydrogen sulfide (HS) absorber, a first flash tank, a flash gas treatment column, and a COabsorber. The system also includes a first fluid path extending sequentially through the HS absorber, the first flash tank, the flash gas treatment column, the HS absorber, and the COabsorber.

System for integrating acid gas removal and carbon capture

In an embodiment, a system includes a methanation section generally including a fuel inlet configured to receive a first fuel, a fuel outlet configured to output methane, and a first fuel path configured to route a first flow of the first fuel from the fuel inlet to the fuel outlet. The first fuel path includes a first methanator configured to generate the methane from the first fuel in an exothermic methanation region. The system also includes a second fuel path configured to route a second flow of a second fuel without conversion to methane. The second fuel path is also configured to receive heat from the exothermic methanation region.

System for heat integration with methanation system

A system comprising a multi-stage reactor. The multi-stage reactor may include a water gas shift (WGS) reactor and a sour methanation reactor configured to generate methane without prior removal of acid gas. Furthermore, the multistage reactor may be a single unit having both the WGS reactor and the methanation reactor.

Method and apparatus for substitute natural gas generation

A fuel preparation system includes a fractionation unit for treating fuel containing vanadium. A gas turbine is connected to the fractionation unit to receive treated fuel. The gas turbine may deliver exhaust from the gas turbine to the fractionation unit. The fuel preparation system may include a burner for burning a heavy fuel fraction from the faction unit and for delivering exhaust from the burner to the fractionation unit. The fuel preparation unit may include a boiler to receive the heavy fuel fraction for combustion and for delivering steam to the fractionation unit.

Systems for removing vanadium from low-grade fuels

Methods and systems for handling sour carbon dioxide (CO) streams are provided. In one aspect, a method for sequestering an emissions-heavy gas includes removing at least a portion of an acid gas from a rich solvent in an acid gas stripper to create the emissions-heavy gas, and channeling the emissions-heavy gas to a storage system.

Systems and methods for carbon dioxide capture

A method of operating a carbon-to-liquids system is provided. The method includes receiving a flow of syngas at the carbon-to-liquids system, shifting the syngas to facilitate increasing a hydrogen to carbon monoxide ratio (H/CO) of the syngas, adding additional hydrogen to the shifted syngas to increase the H/CO ratio, reacting the hydrogen/shifted syngas mixture with a catalyst in a vessel, extracting hydrogen from the syngas mixture, recycling the hydrogen to facilitate increasing the H/CO ratio, and recycling naphta to act as solvent for wax extraction, and to facilitate catalyst recovery.

Methods and systems for reactor low product variation

Disclosed herein is a system for reducing NOemissions comprising a fuel tank in fluid communication with a fuel converter, wherein the fuel converter is located down stream of the fuel tank and wherein the fuel converter comprises a catalyst composition that is operative to continuously convert heavy hydrocarbon molecules having 9 or more carbon atoms per molecule into light hydrocarbon molecules having 8 or less carbon atoms per molecule; a selective catalytic reduction catalyst reactor in fluid communication with the fuel converter and located downstream of the fuel converter; and an engine in fluid communication with the fuel tank and the selective catalytic reduction catalyst reactor, wherein the engine is located downstream of the fuel tank and upstream of the selective catalytic reduction catalyst reactor.

[object Object]

A method for treating fuel containing vanadium including extracting vanadium from the fuel with an adsorption material and fractionating the fuel into a light oil fraction and a heavy fuel fraction. The light fuel fraction has a reduced amount of vanadium. Systems for fuel preparation are also provided.

Methods and systems for removing vanadium from low-grade fuels

A system and method for the reduction of NOemissions from combustion sources are provided. The system includes a fuel tank, fuel converter unit, condensor unit, selective catalytic reduction (SCR) unit and an engine. The condenser unit includes a generally cylindrical inner wall defining a cavity having a first lower end and a second upper end, the first lower end is configured to include a gas inlet for receiving a gas mixture from the fuel converter and the second upper end is configured to include a gas outlet in fluid communication with the SCR unit. A heat exchanger is disposed within the cavity of the condensor unit to contact the gas mixture and separate heavy hydrocarbons from light hydrocarbons, wherein the light hydrocarbons are fed to the SCR unit and the heavy hydrocarbons are condensed and either send back to the fuel tank or directly to the engine for combustion.

The disclosed embodiments relate to a method and system for regeneration of a catalyst. The system includes an engine that creates an exhaust stream and a fuel supply adapted to supply a fuel stream to the engine. A reactor includes a catalyst and is in fluid communication with the engine to receive the exhaust stream. A sensor senses a system parameter and produces a signal corresponding to the system parameter. A controller receives the signal and directs at least a portion of the exhaust stream or at least a portion of the fuel stream to the catalyst to control a regeneration operation based on a value of the system parameter sensed by the sensor.

Growing community of inventors

Houston, TX, United States of America

Arnaldo Frydman