System and method for production of hydrogen
AssigneeGeneral Electric Company
InventorsChellappa Balan, Michael Bowman, Daniel Smith, Charles Byrd
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Abstract
A technique is disclosed for a system and method for combined production of power and hydrogen utilizing the heat from a first working fluid heated by a geothermal energy source using a steam generator and an electrolyzer designed to receive the steam produced by the steam generator for the production of hydrogen and oxygen using electrolysis.
Claims36
A system for producing hydrogen, comprising:
- a first heat recovery steam generator operable to produce steam using heat from a first working fluid heated by a geothermal energy source;
- and
- an electrolyzer configured to receive the steam produced by the first heat recovery steam generator, wherein the electrolyzer produces hydrogen and oxygen from the steam produced by the first heat recovery steam generator.
A combined hydrogen and power generation system, comprising:
- a hydrogen production system, comprising:
- a first heat recovery steam generator operable to produce steam using heat from a first working fluid heated by the geothermal energy source;
- and
- an electrolyzer operable to convert the steam from the first heat recovery steam generator into hydrogen and oxygen;
- and
- a power generation system, comprising:
- a second heat recovery system operable to transfer heat from the first working fluid to a second working fluid;
- an electric generator;
- and
- a turbine coupled to the electric generator, wherein the turbine is driven by the second working fluid to power the electric generator to produce electricity.
A method of utilizing heat from a geothermal energy source to produce hydrogen, comprising;
- extracting heat generated from a geothermal energy source to produce steam in a first heat recovery steam generator;
- directing the steam to an electrolyzer to undergo electrolysis to produce hydrogen and oxygen;
- and
- recycling heat within hydrogen and oxygen produced by electrolyzer.
A method of utilizing heat from a geothermal energy source for a combined hydrogen and power generation system, comprising:
- extracting a first part of heat from a geothermal energy source to produce steam in a first heat recovery steam generator;
- directing the steam to an electrolyzer for electrolysis to produce hydrogen and oxygen;
- extracting a second part of heat from the geothermal energy source and transferring the heat to a second working fluid in a second heat recovery system;
- applying the second working fluid to a turbine coupled to an electric generator for producing electricity;
- and
- recycling the heat within hydrogen and oxygen produced by the electrolyzer in a first heat exchanger and a second heat exchanger.
A hydrogen production system, comprising:
- an electrolyzer operable to convert steam into hydrogen and oxygen;
- and
- a heat exchanger operable to transfer heat from at least one of the hydrogen or the oxygen or a combination of both the hydrogen and the oxygen.
Dependencies are inferred from the claim text.