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:
Jul. 30, 2013
Filed:
Nov. 09, 2011
Applicants:
Daniel I. Massé, Sherbrooke, CA;
Steve Boivin, Sherbrooke, CA;
Inventors:
Daniel I. Massé, Sherbrooke, CA;
Steve Boivin, Sherbrooke, CA;
Assignees:
Her Majesty the Queen in right of Canada as represented by the Minister of Agriculture and Agrifood, Sherbrooke, CA;
Bio-Terre Systems Inc., Sherbrooke, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 17/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A biological process for removing hydrogen sulphide from biogas is disclosed. The process involves injecting a small quantity of air into the gas phase or the liquid phase of a psychrophilic bioreactor to allow microbial flora to convert the hydrogen sulphide into elemental sulphur.