The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 9725662 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 08, 2017

Filed:

Apr. 01, 2014
Applicant:

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E. V., Munich, DE;

Inventor:

Ralf Kriegel, Kahla, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10J 3/72 (2006.01); B01D 63/06 (2006.01); C10J 3/02 (2006.01); C01B 13/02 (2006.01);
U.S. Cl.
CPC ...
C10J 3/72 (2013.01); B01D 63/06 (2013.01); C01B 13/0251 (2013.01); C10J 3/02 (2013.01); B01D 2313/23 (2013.01); B01D 2313/90 (2013.01); B01D 2319/04 (2013.01); C10J 2300/0916 (2013.01); C10J 2300/0959 (2013.01); C10J 2300/1606 (2013.01); C10J 2300/1618 (2013.01); C10J 2300/1678 (2013.01); C10J 2300/1846 (2013.01); C10J 2300/1869 (2013.01); C10J 2300/1884 (2013.01); Y02E 20/14 (2013.01); Y02E 20/18 (2013.01); Y02P 20/129 (2015.11); Y02P 20/13 (2015.11); Y02P 20/57 (2015.11);
Abstract

Disclosed are a method and a membrane module for the separation of oxygen from air during biomass gasification. The method comprises employing a membrane module as disclosed herein and using gas exiting the membrane module to heat incoming fresh air, more than 50% of heat energy contained in the gas exiting the membrane module being utilized to preheat the fresh air. The fresh air is further heated to a temperature of from 800° C. to 900° C. by directly feeding combustion gas or synthesis gas from the biomass gasification into a combustion space of the membrane module.


Find Patent Forward Citations

Kriegel, Ralf. (2017). Method and membrane module for the energy-efficient oxygen generation during biomass gasification (U.S. Patent No. 9725662). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9725662

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