IP Library › Granted Patent US 12,459,813
Granted Patent B1
US 12,459,813 · App. 19/047,961 · Granted Nov 4, 2025

Systems and methods for producing hydrogen with integrated capture of carbon dioxide

Inventors: Maulik R. Shelat (Macungie, PA); Shankar Nataraj (Allentown, PA); Yun Wu (Davidson, NC)
Assignee: 8 Rivers Capital, LLC
C01B3/384B01D53/047C01B3/48C01B3/56F01K13/00F22B1/18B01D2256/16B01D2257/504C01B2203/0233C01B2203/0283C01B2203/043C01B2203/0475C01B2203/0822C01B2203/0827C01B2203/0833C01B2203/1241C01B2203/86
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Quick Facts
Patent No.
US 12,459,813
App. No.
19/047,961
Granted
Nov 4, 2025
Kind
B1
Abstract

The present disclosure provides systems and methods for hydrogen production as well as apparatuses useful in such systems and methods, including steam generation systems and methods. Hydrogen is produced by reforming of a hydrocarbon in a plurality of reformers to achieve improved reforming efficiency. A CO 2 convective reformer (CCR) and an oxygen secondary reformer (OSR) are used in series to convert hydrocarbon and steam to synthesis gas with substantially complete carbon capture. Steam generation is provided along separate pathways to provide separate steam streams of different composition.

Claims (10)

1 . A steam generation system comprising:

a reforming envelope configured with a heating line or series of lines for passage of heat source stream from a heat source; and

a steam generation envelope comprising:

a first steam generation pathway comprising a first water line or series of lines arranged for passage of water from a first water source to a first heat exchange train and passage of steam from the first heat exchange train to one or more steam turbines; and

a second steam generation pathway comprising a second water line or series of lines arranged for passage of water from a second water source to a second heat exchange train and passage of steam from the second heat exchange train.

2 . The steam generation system of claim 1 , wherein the first water line or series of lines is separate from the second water line or series of lines for an entire length of the first steam generation pathway and an entire length of the second steam generation pathway.

3 . The steam generation system of claim 1 , wherein the first heat exchange train and the second heat exchange train include one or more components in common.

4 . The steam generation system of claim 1 , wherein the heat source is a syngas production unit.

5 . The steam generation system of claim 1 , comprising a first heating line or series of lines for passage of a first heat source stream from a first heat source and a second heating line or series of lines for passage of a second heat source stream from a second heat source.

6 . The steam generation system of claim 5 , wherein one of the first heat source stream and the second heat source stream is not a syngas stream.

Continuity (1)
Division 18910258 · Oct 9, 2024
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