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:
Nov. 20, 2007
Filed:
Dec. 13, 2004
Derong Zhou, Doylestown, PA (US);
John P. Borzio, Robbinsville, NJ (US);
Mindi Xu, Naperville, IL (US);
Hwa-chi Wang, Naperville, IL (US);
Tran Vuong, Richardson, TX (US);
Derong Zhou, Doylestown, PA (US);
John P. Borzio, Robbinsville, NJ (US);
Mindi Xu, Naperville, IL (US);
Hwa-Chi Wang, Naperville, IL (US);
Tran Vuong, Richardson, TX (US);
Air Liquide America L.P., Houston, TX (US);
American Air Liquide Inc., Fremont, CA (US);
Abstract
An ammonia purification system includes a hydrocarbon removal station that removes hydrocarbons from gaseous ammonia via adsorption, a moisture removal station that removes water from gaseous ammonia via adsorption, and a distillation station including a distillation column connected with a condenser to facilitate removal of impurities from ammonia and condensation of gaseous ammonia to form a purified liquid ammonia product. The system further includes a storage tank to receive purified ammonia, a remote station connected with the storage tank, and a vaporizer connected with the storage tank. The vaporizer is configured to receive and vaporize liquid ammonia from the storage tank and deliver gaseous ammonia back to the storage tank so as to facilitate pumping of the ammonia to the remote station based upon a vapor pressure established within the storage tank.