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. 20, 2024
Filed:
May. 06, 2019
Applicant:
Chad Daloia, Washington, PA (US);
Inventor:
Chad Daloia, Washington, PA (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/52 (2023.01); C01F 11/46 (2006.01); C02F 101/10 (2006.01); C02F 1/66 (2023.01); C02F 103/10 (2006.01);
U.S. Cl.
CPC ...
C02F 1/5236 (2013.01); C01F 11/462 (2013.01); C01P 2004/61 (2013.01); C01P 2006/10 (2013.01); C02F 1/66 (2013.01); C02F 2101/101 (2013.01); C02F 2103/10 (2013.01);
Abstract
The present invention relates to methods of refining and recovering barium sulfate from contaminated water sources that include barium cation, such as hydrofracture wastewater. The methods of the present invention result in the formation of a refined and a recovered barium sulfate that has a density of at least 4.10 g/ml, and a content of calcium ion of less than or equal to 250 mg/Kg.