公开(公告)号：US20230042185A1

公开(公告)日：2023-02-09

申请号：US17959737

申请日：2022-10-04

Applicant: TROJAN TECHNOLOGIES GROUP ULC

Inventor： Ali SAFARZADEH-AMIRI ,  Zachary Bryan SCOTT ,  John Ray WALTON

IPC: C02F1/52 ,  C01G49/02

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.