# US 12,091,621 B2 · Bio-multi-reactor hydrogen generation method and system

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- Number: US 12,091,621 B2
- Document ID: US12091621B2
- Status: Granted
- Kind: B2
- Application number: 18/476,492
- Filed: 2023-09-28
- Published: 2024-04-11
- Granted: 2024-09-17
- Earliest claimed: 2022-10-07
- Applicants: Kozon Takahashi
- Inventors: Kozon Takahashi
- Web page: https://patentgrep.com/patent/US12091621B2

## CPC

- C10J 3/66: by introducing them into the gasification zone
- C01B 3/16: using catalysts
- C10K 3/026: {Increasing the carbon monoxide content, e.g. reverse water-gas shift [RWGS]}
- C10K 3/04: reducing the carbon monoxide content {, e.g. water-gas shift [WGS]}
- C10J 2200/06: Catalysts as integral part of gasifiers
- C10J 2300/0916: Biomass
- C10J 2300/093: Coal
- C10J 2300/0933: Coal fines for producing water gas
- C10J 2300/0959: Oxygen
- C10J 2300/0976: as steam
- C10J 2300/1207: using pyrolysis gas as fuel
- C10J 2300/1253: by injecting hot gas
- C10J 2300/1675: making use of a steam turbine
- C10J: PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES (synthesis gas from liquid or gaseous hydrocarbons C01B; underground gasification of minerals E21B43/295); CARBURETTING AIR OR OTHER GASES
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- C10K: PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE

## Abstract

A bio-multi-reactor hydrogen generation method using a bio-multi-reactor hydrogen generation system including a plurality of carbonization-water gasification furnaces and a plurality of heating furnaces arranged alternately side by side includes: arranging solid combustibles in each carbonization-water gasification furnace; dry distilling the solid combustibles by heating from each heating furnace adjacent to each carbonization-water gasification furnace; gasifying carbide obtained by dry distillation within each carbonization-water gasification furnace by supplying steam to the carbide to cause a water gasification reaction to take place; and maintaining each heating furnace at a temperature for dry distilling the solid combustibles in each carbonization-water gasification furnace by collecting a combustible gas generated in dry distillation of the solid combustibles in each carbonization-water gasification furnace in a tank and supplying the combustible gas to each heating furnace for combustion.

## Claims

### Claim 1

A bio-multi-reactor hydrogen generation method using a bio-multi-reactor hydrogen generation apparatus including a plurality of carbonization-water gasification furnaces and a plurality of heating furnaces arranged alternately side by side, the method comprising:
arranging solid combustibles in each of the carbonization-water gasification furnaces;
dry distilling the solid combustibles by heating from each of the heating furnaces adjacent to each of the carbonization-water gasification furnaces;
gasifying carbon obtained by dry distillation within each of the carbonization-water gasification furnaces by supplying steam to the carbon to cause a water gasification reaction to take place; and
maintaining each of the heating furnaces at a temperature for dry distilling the solid combustibles in each of the carbonization-water gasification furnaces by collecting a combustible gas generated in the dry distilling of the solid combustibles in each of the carbonization-water gasification furnaces in a tank and supplying the combustible gas to each of the heating furnaces for combustion.

### Claim 2 (depends on 1)

The bio-multi-reactor hydrogen generation method according to claim 1, wherein
the gasifying of the carbon includes gasifying the carbon into a water gas containing carbon monoxide.

### Claim 3 (depends on 1)

The bio-multi-reactor hydrogen generation method according to claim 1, wherein
the solid combustibles and a catalyst are arranged in each of the carbonization-water gasification furnaces.

### Claim 4 (depends on 3)

The bio-multi-reactor hydrogen generation method according to claim 3, wherein
a shift reaction catalyst for oxidizing carbon monoxide to carbon dioxide is arranged as the catalyst within a breathable container installed at a top of each of the carbonization-water gasification furnaces.

### Claim 5 (depends on 3)

The bio-multi-reactor hydrogen generation method according to claim 3, wherein
a shift reaction catalyst for oxidizing carbon monoxide to carbon dioxide is arranged as the catalyst within a pipe connecting each of the carbonization-water gasification furnaces to a water gas collection pipe collecting a water gas generated by the water gasification reaction.

### Claim 6 (depends on 3)

The bio-multi-reactor hydrogen generation method according to claim 3, wherein
a reverse shift reaction catalyst for reducing carbon dioxide to carbon monoxide is arranged as the catalyst within a breathable container installed at a top of each of the carbonization-water gasification furnaces.

### Claim 7 (depends on 3)

The bio-multi-reactor hydrogen generation method according to claim 3, wherein
a reverse shift reaction catalyst for reducing carbon dioxide to carbon monoxide is arranged as the catalyst within a pipe connecting each of the carbonization-water gasification furnaces to a water gas collection pipe collecting a water gas generated by the water gasification reaction.

### Claim 8 (depends on 1)

The bio-multi-reactor hydrogen generation method according to claim 1, further comprising
performing power generation using heat generated in each of the heating furnaces and power generation utilizing heat generated in each of the heating furnaces by repeatedly performing heat collection or using heat generated in each of the carbonization-water gasification furnaces.

### Claim 9 (depends on 1)

The bio-multi-reactor hydrogen generation method according to claim 1, wherein
soot or tar having stuck to an inside of each of the carbonization-water gasification furnaces during the dry distilling of the solid combustibles is water gasified by steam blown from steam blowing pipes in two or more upper and lower rows installed in each of the carbonization-water gasification furnaces.

### Claim 10

A bio-multi-reactor hydrogen generation method using a bio-multi-reactor hydrogen generation system including a plurality of carbonization-water gasification furnaces and a plurality of heating furnaces arranged alternately side by side, the method comprising:
arranging biomass of different sizes or coal, which are solid combustibles, and a water gasification catalyst in each of the carbonization-water gasification furnaces;
dry distilling the solid combustibles by heating from each of the heating furnaces adjacent to each of the carbonization-water gasification furnaces;
gasifying carbon obtained by the dry distilling within each of the carbonization-water gasification furnaces into a water gas containing carbon monoxide by blowing steam through a top of each of the heating furnaces into the carbon to cause a water gasification reaction to take place;
increasing reaction speed at which the water gas is generated by the water gasification catalyst;
maintaining each of the heating furnaces at a temperature for dry distilling the solid combustibles in each of the carbonization-water gasification furnaces by collecting a combustible gas generated in the dry distilling of the solid combustibles in each of the carbonization-water gasification furnaces in a tank and supplying the combustible gas to each of the heating furnaces for combustion; and
gasifying soot or tar having stuck to an inside of each of the carbonization-water gasification furnaces during the dry distilling of the solid combustibles by steam blown from steam blowing pipes in two or more upper and lower rows installed in each of the carbonization-water gasification furnaces.
