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:
Sep. 08, 2015
Filed:
Jun. 14, 2012
Annemarie Ott Weist, Macungie, PA (US);
Vipul P. Dholakia, Macungie, PA (US);
Neil Hannay, Yeovil, GB;
Annemarie Ott Weist, Macungie, PA (US);
Vipul P. Dholakia, Macungie, PA (US);
Neil Hannay, Yeovil, GB;
Air Products and Chemicals, Inc., Allentown, PA (US);
Abstract
The invention discloses systems and methods for producing a gas stream containing ozone and a 'carrier' or sweep gas that has an oxygen concentration that is below a predetermined percentage for treatment of organic waste feed stocks in an anaerobic digester. In one embodiment, ozone and unreacted oxygen from an ozone generator are delivered to a pressure swing adsorption cycle, wherein the ozone is adsorbed onto a sieve and the excess oxygen is removed from the cycle. The sweep gas, which has a limited oxygen concentration, is then used to desorb the ozone from the pressure swing adsorption cycle and deliver the ozone to an anaerobic digester, where the ozone is used to treat the feed stock.