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.:
Date of Patent:
Feb. 28, 2017
Filed:
Sep. 08, 2011
Michael David Heydenrych, Lyttleton Manor, ZA;
Stephen David Swart, Newcastle, ZA;
Akwasi Acheampong Boateng, Royersford, PA (US);
Michael David Heydenrych, Lyttleton Manor, ZA;
Stephen David Swart, Newcastle, ZA;
Akwasi Acheampong Boateng, Royersford, PA (US);
University of Pretoria, Hatfield Pretoria, ZA;
The United States, as represented by the Secretary of Agriculture, Washington, DC (US);
Abstract
A carbonaceous feed pyrolysis apparatus is provided including two or more hot particle fluidized beds, and one or more positive displacement apparatus for the transfer of hot particles between two or more of the beds, wherein one or more of the fluidized beds contains a combustion zone. A bio-oil production process is also provided, including pyrolysis of a carbonaceous bio-mass using two or more fluidized beds, including a first combustion zone carried out in one or more combustion fluidized beds in which a particulate material is fluidized and heated, and a second pyrolysis zone carried out in one or more pyrolysis fluidized beds in which the hot particles heated in the combustion zone are used for pyrolysis of the bio-mass.