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US 7,459,131 B2Granted
Reduced temperature regernerating/calcining apparatus for hydrogen generation
AssigneeUnited Technologies Corporation
InventorAlbert E. Stewart
Life of this patent
Estimating the term…
Abstract
A method and apparatus are disclosed for regenerating calcium oxide used in the production of hydrogen gas. The method includes steps of: (a) streaming a solid reactant into an inlet port of a contactor vessel; (b) streaming a purge oxidant into an oxidant port of the contactor vessel to reduce a partial pressure of a gas over the solid reactant; (c) venting the gas from a gas port of the contactor vessel; and (d) removing the solid reactant from a discharge port of the contactor vessel.
Claims9
A calcining apparatus comprising:
- a contactor vessel;
- a solid reactant inlet port coupled to the contactor vessel for streaming a solid reactant into the contactor vessel;
- an oxidant inlet port coupled to the contactor vessel for streaming a purge oxidant into the contactor vessel to reduce a partial pressure of a gas released from the solid reactant;
- a fuel inlet port coupled to the contactor vessel for introducing fuel to heat the solid reactant;
- a gas vent port coupled to the contactor vessel for venting the gas from the contactor vessel;
- and
- a solid reactant discharge port coupled to the contactor vessel for removing the solid reactant from the contactor vessel.
4 more elements
A calcining apparatus comprising:
- a regeneration vessel including a solid reactant feed for delivering spent solid reactant to the regeneration vessel, an oxidant gas feed for delivering oxidant gas to the vessel to reduce the partial pressure of a gas released from the solid reactant feed, a fuel gas inlet for delivering fuel gas to the vessel, a gas vent outlet for venting a product gas from regeneration of the spent solid reactant, and a solid reactant discharge outlet for removing regenerated solid reactant from the regeneration vessel.
Dependencies are inferred from the claim text.