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Process and system for converting carbonaceuos feedstocks into energy without greenhouse gas emissions

A technology of greenhouse gas conversion, applied in the direction of reducing greenhouse gas, fuel energy technology, fuel cell integration, etc., can solve the problems of incorrect research route, high process cost, difficult carbon dioxide reaction technology, etc.

Inactive Publication Date: 2002-01-02
特里·R·加洛韦
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

will CO 2 Separation and recovery of CO from flue gas 2 Attempts to carry out chemical reactions are obviously not the correct research route, because making carbon dioxide reactions is technically difficult and the cost of the process is too high

Method used

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  • Process and system for converting carbonaceuos feedstocks into energy without greenhouse gas emissions
  • Process and system for converting carbonaceuos feedstocks into energy without greenhouse gas emissions
  • Process and system for converting carbonaceuos feedstocks into energy without greenhouse gas emissions

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Embodiment approach

[0035] Thus, all of the carbon material introduced as feedstock via line 10 is recovered as carbon material in the form of useful hydrocarbon products via line 76, which avoids carbon dioxide emissions when the hydrocarbon feedstock is gasified. It also eliminates the need for expensive and cumbersome caustic scrubbers for recovery of carbon dioxide from flue gases, which is the usual configuration of combustion / steam turbine power plants. B. A second embodiment, a method of generating solar-methanol fuel cell energy without producing harmful greenhouse gases.

[0036] The method and system of the present invention can be used to produce methanol by reacting recycled carbon dioxide with hydrogen produced by an electrochemical reaction to produce a "balanced" synthesis gas that is optimal for methanol production. In this production process, the appropriate H in the "balanced" syngas 2 / CO=2.00. figure 2 In the illustrated embodiment, a solar regenerative fuel cell system is ...

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Abstract

The process and system of the invention converts carbonaceous feedstock from fossil fuels and other combustible materials into electrical energy without the production of unwanted greenhouse emissions. The process and system uses a combination of a gasifier to convert the carbonaceous feedstock and a greenhouse gas stream into a synthesis gas comprising carbon monoxide and hydrogen. One portion of the synthesis gas from the gasifier becomes electrochemically oxidized in an electricity-producing fuel cell into an exit gas comprising carbon dioxide and water. The latter is recycled back to the gasifier after the water is condensed out. The second portion of the synthesis gas from the gasifier is converted into useful hydrocarbon products.

Description

[0001] This application claims priority from US Provisional Application No. 60 / 064,692, filed November 7, 1997. [0002] The present invention relates broadly to methods and systems for eliminating emissions of carbon dioxide and other greenhouse gases from conventional coal, oil and natural gas power plants. Background of the invention [0003] The burning of fossil fuels in boilers to produce the high-temperature, high-pressure steam used in turbogenerators creates problems with carbon dioxide and other greenhouse gases such as methane, ozone, and fluorocarbons. Combustion of these fossil fuels, especially coal, requires a process to prevent the emission of carbon dioxide and other greenhouse gases, their unwanted companions are released into the earth's atmosphere and absorb solar radiation, known as the greenhouse effect . Much of the world relies on coal for energy. Significant attempts have been made to develop clean coal processes to substantially reduce acid gas emis...

Claims

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Application Information

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IPC IPC(8): H01M8/04H01M8/06H01M8/12
CPCY02B90/14Y02E70/20Y02E60/50H01M8/0675H01M8/0612H01M8/04097H01M2300/0074Y02E60/523H01M8/04164H01M2300/0082H01M8/0631Y02E60/525H01M2008/1293H01M2250/10Y02B90/10Y02P30/00Y02P90/40
Inventor 特里·R·加洛韦
Owner 特里·R·加洛韦
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