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:
Oct. 20, 2026
Filed:
Dec. 11, 2025
King Fahd University of Petroleum and Minerals, Dhahran, SA;
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran, SA;
Abstract
A method of removing a heavy metal from a wastewater includes adding a chelating agent to the wastewater to obtain a mixture. The method includes mixing COwith the mixture to reach an alkaline pH to generate a carbonic mixture. The method includes precipitating the carbonic mixture to generate a mineral entrapping the heavy metal. The chelating agent is present in the wastewater at an amount of 0.1 to 15 wt. % based on the total weight of the wastewater. The wastewater includes an alkali metal and an alkaline earth metal. The heavy metal, the alkali metal, and the alkaline earth metal are in the form of water-soluble salts. The chelating agent is at least one selected from the group consisting of ethylenediaminetetraacetic acid (EDTA), gluconic acid, citric acid, and phytic acid.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile