Regenerative thermal oxidizer for the reduction or elimination of supplemental fuel gas consumption

a regenerative thermal oxidizer and supplemental fuel technology, applied in the field of biogas applications, can solve the problems of limited industrial application level as waste treatment technology, low process efficiency, high capital cost, etc., and achieve the effect of reducing or eliminating supplemental fuel gas consumption and maximizing product methane recovery

Inactive Publication Date: 2013-04-18
CLEAN ENERGY RENEWABLE FUELS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0008]The present invention provides a regenerative thermal oxidizer for the reduction or elimination of s

Problems solved by technology

The technical expertise required to maintain industrial scale anaerobic digesters coupled with high capital costs

Method used

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  • Regenerative thermal oxidizer for the reduction or elimination of supplemental fuel gas consumption
  • Regenerative thermal oxidizer for the reduction or elimination of supplemental fuel gas consumption
  • Regenerative thermal oxidizer for the reduction or elimination of supplemental fuel gas consumption

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Embodiment Construction

[0017]In the following paragraphs, the present invention will be described in detail by way of example with reference to the attached drawings. Throughout this description, the preferred embodiment and examples shown should be considered as exemplars, rather than as limitations on the present invention. As used herein, the “present invention” refers to any one of the embodiments of the invention described herein, and any equivalents. Furthermore, reference to various feature(s) of the “present invention” throughout this document does not mean that all claimed embodiments or methods must include the referenced feature(s).

[0018]Biogas is a renewable energy composed primarily of methane resulting from the natural decomposition of organic waste by anaerobic bacteria. Similar to natural gas, methane captured by a biogas system can be used to provide heat, electrical power or transportation biofuel. Biogas extraction can be used to: (i) produce green and renewable energy; (ii) reduce poll...

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Abstract

The present invention provides a regenerative thermal oxidizer system, comprising: a recuperative heat exchanger that receives process exhaust gas from an anaerobic digestion process and boosts an inlet temperature of the gas to a second gas temperature; and a regenerative thermal oxidizer that receives the gas from the heat exchanger, further heats/combusts the gas to a third gas temperature, and feeds the gas back through the recuperative heat exchanger, which recoups heat from the gas such that the gas exits the heat exchanger at a fourth gas temperature.

Description

FIELD OF THE INVENTION [0001]The invention broadly relates to biogas applications and, more particularly, to a regenerative thermal oxidizer for the reduction or elimination of supplemental fuel gas consumption.BACKGROUND OF THE INVENTION[0002]Biogas refers to a gaseous fuel produced by the biological breakdown of organic matter in the absence of oxygen. It is produced by the anaerobic digestion or fermentation of biodegradable materials such as biomass, manure, sewage, municipal waste, green waste, plant material and crops. Biogas primarily comprises methane and carbon dioxide, and may contain small amounts of hydrogen sulphide, moisture and siloxanes.[0003]The gases methane, hydrogen and carbon monoxide can be combusted or oxidized with oxygen. This energy release allows biogas to be used as a fuel. Biogas can be used as a fuel for any heating purpose. It can also be produced by anaerobic digesters where it is typically used in a gas engine to convert the chemical energy of the ga...

Claims

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Application Information

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IPC IPC(8): F23D14/66
CPCF23G7/068Y02C20/20B01D2257/7025F23D14/66B01D2259/65B01D53/72F23D14/28B01D2258/05Y02E20/34
Inventor GRILL, JEFFREY J.
Owner CLEAN ENERGY RENEWABLE FUELS
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