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Method for Producing Fuel from Captured Carbon Dioxide

a carbon dioxide and fuel technology, applied in the field of carbon dioxide capture, can solve the problems of reducing global fuel reserves, increasing carbon dioxide in the atmosphere, and affecting the greenhouse effect and global warming

Inactive Publication Date: 2008-03-27
ENGINEUITY RES & DEV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

One of the main challenges modern civilization is facing is the increase of carbon dioxide in the atmosphere, affecting the greenhouse effect and global warming.
Another problem arises from the extensive use of fossil fuel thus diminishing the global fuel reserves.
The disadvantage of this method is the fact that organic amine bases are expensive and unstable.
The disadvantages of this method resides in the use of the strong base compound Ca(OH)2, forming CaCO3, that requires considerable amount of energy for the thermal release of CO2.

Method used

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Embodiment Construction

[0010] The method of the present invention enables the production of combustible fuels, using as preferred starting material the highly available atmospheric carbon dioxide, and returning the CO2 produced by fuel combustion to the atmosphere, thus maintaining the equilibrium of the CO2 in the atmosphere. The method is based on well known in the art reactions such as thermal catalytic and electrochemical reactions, utilizing the reversibility of these reactions and carrying out the reverse reaction by modifying the operating pressure and / or the electrical voltage supplied to the process.

[0011] The reaction between the CO2 and K2CO3 in step (i) may be performed by bubbling air in water through an aqueous solution of K2CO3 or by spraying droplets of K2CO3 in aqueous solution into a stream of air. In both methods, the atmospheric CO2 reacts with the K2CO3 to form KHCO3 according to the following reaction:

K2CO3+H2O+CO2→2KHCO3

[0012] In the next step, CO2 is released from the KHCO3.

[00...

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Abstract

The invention provides a method for producing combustible fuels from a gaseous mixture containing carbon dioxide, which comprises: (i) capturing CO2 from said gaseous mixture by means of K2CO3, thus forming KHCO3; (ii) releasing the CO2 from said KHCO3; and (iii) subsequently producing fuel from the released CO2 by reaction with hydrogen.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a method for capturing carbon dioxide from a gaseous mixture containing carbon dioxide, e.g., from the atmosphere, and subsequently using this carbon dioxide for the production of fuel. BACKGROUND OF THE INVENTION [0002] Greenhouse gases include carbon dioxide, methane, nitrous oxide and water vapor. While greenhouse gases occur naturally in the atmosphere, human activities also produce greenhouse gas emissions and are responsible for creating new ones. Carbon dioxide (CO2) is the most common greenhouse gas released by human activities, resulting from the extensive use of fossil fuel (coal, petroleum, natural gas). One of the main challenges modern civilization is facing is the increase of carbon dioxide in the atmosphere, affecting the greenhouse effect and global warming. Another problem arises from the extensive use of fossil fuel thus diminishing the global fuel reserves. [0003] Renewable energy sources, that capture...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10L3/00
CPCC07C1/12C07C29/1518C25B3/04Y02E60/364Y02E60/324C07C9/04C07C31/04Y02E60/36C25B3/25Y02E60/50H01M8/06H01M8/04Y02E60/32
Inventor YOGEV, AMNONGAMZON, ELIYAHU
Owner ENGINEUITY RES & DEV
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