US 11,939,246 B1
Method of removing pollutants from water using waste polyethylene terephthalate
Nazrul Haq Rizwanul Haq, Riyadh (SA); Fars Kaed Alanazi, Riyadh (SA); Ibrahim Abdullah Alsarra, Riyadh (SA); Muzaffar Iqbal Abu Zafar, Riyadh (SA); Mohammad Raish, Riyadh (SA); and Faiyaz Shakeel Shakeel Ahmad, Riyadh (SA)
Assigned to KING SAUD UNIVERSITY, Riyadh (SA)
Filed by KING SAUD UNIVERSITY, Riyadh (SA)
Filed on May 10, 2023, as Appl. No. 18/195,692.
Int. Cl. C02F 1/56 (2023.01); C02F 1/66 (2023.01); C02F 1/68 (2023.01); C08G 18/42 (2006.01); C02F 1/28 (2023.01); C02F 101/22 (2006.01); C02F 101/30 (2006.01); C02F 103/34 (2006.01); C08J 11/16 (2006.01)
CPC C02F 1/56 (2013.01) [C02F 1/66 (2013.01); C02F 1/683 (2013.01); C08G 18/4213 (2013.01); C02F 1/285 (2013.01); C02F 2101/22 (2013.01); C02F 2101/308 (2013.01); C02F 2103/343 (2013.01); C08J 11/16 (2013.01); C08J 2367/02 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method for removing at least one pollutant from an aqueous environment comprising said at least one pollutant, the method comprising:
adding an acid to the aqueous environment to provide an acidic aqueous environment;
adding a chelator solution to the aqueous environment to provide a precipitate of the at least one pollutant, the chelator solution including a decomposed polyethylene terephthalate; and
separating the precipitate from the aqueous environment.