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.

Date of Patent:
Dec. 26, 2023

Filed:

Jul. 03, 2019
Applicant:

Trojan Technologies Group Ulc, London, CA;

Inventors:

Ali Safarzadeh-Amiri, Ontario, CA;

Zachary Bryan Scott, San Diego, CA (US);

John Ray Walton, Colfax, CA (US);

Assignee:

U.S. Peroxide, LLC, Atlanta, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 49/12 (2006.01); C01G 49/10 (2006.01); C02F 1/52 (2023.01); C02F 101/10 (2006.01);
U.S. Cl.
CPC ...
C01G 49/10 (2013.01); C01G 49/12 (2013.01); C02F 1/5245 (2013.01); C02F 2101/101 (2013.01); C02F 2303/02 (2013.01);
Abstract

An embodiment provides A method for making a non-hazardous iron product for treating wastewater, including: adding sodium bisulfite to a solution comprising iron, creating an aqueous solution; adding an amount of sodium hydroxide to the aqueous solution to increase the pH of the aqueous solution to between 2-2.5; determining an amount of sodium bicarbonate and adding the identified amount of sodium bicarbonate to the aqueous solution, wherein the sodium bicarbonate adjusts the pH of the aqueous solution to a desired pH; and providing a buffer to the aqueous solution to generate a slurry. Other embodiments are described and claimed.


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