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:
Dec. 29, 2020
Filed:
Mar. 06, 2018
Applicant:
Wrt International Llc, Arvada, CO (US);
Inventors:
John E. Litz, Lakewood, CO (US);
Charles S. Williams, Golden, CO (US);
Assignee:
WRT INTERNATIONAL LLC, Arvada, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/42 (2006.01); C02F 1/00 (2006.01); C02F 1/28 (2006.01); C02F 101/00 (2006.01);
U.S. Cl.
CPC ...
C02F 1/008 (2013.01); C02F 1/281 (2013.01); C02F 1/42 (2013.01); C02F 2101/006 (2013.01); C02F 2301/04 (2013.01); C02F 2303/14 (2013.01);
Abstract
Systems and methods are provided for the removal and disposal of radium form an aqueous medium. The systems and methods include the removal of radium from a source by contact with either natural or synthetic zeolite. The spent zeolite is monitored for radiation levels and replaced with fresh zeolite when the level of radioactivity reaches approximately 9,000 pCi/g. Spent zeolite is disposed of at a low-level radioactive waste site. A system for monitoring and maintaining radium removal and disposal by an off-site provided is also disclosed.