# US 2014/0196370 A1 · Co-Fired Syngas System

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- Number: US 2014/0196370 A1
- Document ID: US20140196370A1
- Status: Published application
- Kind: A1
- Application number: 13/715,915
- Filed: 2012-12-14
- Published: 2014-07-17
- Earliest claimed: 2010-09-22
- Inventors: James Charles Juranitch; Richard Tarrant
- Web page: https://patentgrep.com/patent/US20140196370A1

## CPC

- C10K 3/06: by mixing with gases
- C10L 3/06: Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04 {(liquefying by pressure and cold treatment F25J)}
- C10L 2290/02: Combustion or pyrolysis
- C10L 2290/24: Mixing, stirring of fuel components
- C10L 2290/46: Compressors or pumps
- Y02P 20/129: Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
- C10K: PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10L: FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A method of generating a blended syngas as a primary product from renewable feedstock, fossil fuels, or hazardous waste with the use of a gassifier arrangement. The generated syngas is blended with natural gas to form a blended fuel product that is delivered to a manufacturing facility or a natural gas power plant.

## Claims

### Claim 1

A method of producing a fuel, the method comprising the steps of:
delivering a feedstock to a gassifier to generate a product syngas; and
blending the product syngas with natural gas to form a blended syngas fuel.

### Claim 2 (depends on 1)

The method of claim 1, wherein there is provided the step of delivering the blended syngas fuel to a selectable combination of a manufacturing plant and a natural gas power plant.

### Claim 3 (depends on 1)

The method of claim 1, wherein prior to performing said step of blending there is provided the step of cleaning the product syngas.

### Claim 4 (depends on 1)

The method of claim 1, wherein prior to performing said step of blending there is provided the step of accumulating the product syngas in a buffer.

### Claim 5 (depends on 4)

The method of claim 4, wherein said step of accumulating comprises the steps of:
first compressing the product syngas; and
storing the compressed product syngas in the buffer.

### Claim 6 (depends on 5)

The method of claim 5, wherein there are provided the further steps of:
releasing the compressed product syngas from the buffer; and
boosting the pressure of the compressed product syngas released from the buffer.

### Claim 7 (depends on 1)

The method of claim 1, wherein the feedstock is a selectable combination of an organic compound, a fossil fuel, and a hazardous material.

### Claim 8

A method of producing a fuel, the method comprising the steps of:
operating a pregassifier on a selectable combination of waste heat, syngas, a fossil fuel, and a supplemental fuel;
operating a gassifier to generate a product syngas, by delivering a feedstock to the gassifier; and
blending the product syngas with natural gas to form a blended syngas fuel.

### Claim 9 (depends on 8)

The method of claim 8, wherein there is provided the step of delivering the blended syngas fuel to a selectable combination of a manufacturing plant and a natural gas power plant.

### Claim 10 (depends on 8)

The method of claim 8, wherein prior to performing said step of blending there is provided the step of cleaning the product syngas.

### Claim 11 (depends on 8)

The method of claim 8, wherein prior to performing said step of blending there is provided the step of accumulating the product syngas in a buffer.

### Claim 12 (depends on 8)

The method of claim 8, wherein the feedstock is a selectable combination of an organic compound, fossil fuel, and a hazardous material.

### Claim 13

A method of producing a fuel, the method comprising the steps of:
operating a pregassifier on a selectable combination of waste heat, syngas, a fossil fuel, and a supplemental fuel;
operating a gassifier to generate a product syngas, the gassifier having a metal bath, an inductive heat source, and at least one plasma torch to reflect energy off the metal bath;
delivering a feedstock to the gassifier; and
blending a product syngas with natural gas to form a blended syngas fuel.

### Claim 14 (depends on 13)

The method of claim 13, wherein there is provided the step of delivering the blended syngas to a selectable combination of a manufacturing plant and a natural gas power plant.

### Claim 15 (depends on 13)

The method of claim 13, wherein prior to performing said step of blending there is provided the step of cleaning the product syngas.

### Claim 16 (depends on 13)

The method of claim 13, prior to performing said step of blending there is provided the step of accumulating the product syngas in a buffer.

### Claim 17 (depends on 13)

The method of claim 13, wherein the feedstock is a selectable combination of an organic compound, a fossil fuel, and a hazardous material.

### Claim 18 (depends on 13)

The method of claim 13, where the syngas is cleaned and buffered and compressed before blending with natural gas.

### Claim 19 (depends on 13)

The method of claim 13, where the plasma torch operates in any combination of direct acting, indirect acting, AC driven, and DC driven.