US 11,717,804 B1
Modified nanoclay for heavy metal and salt removal from water
Mohamed Abdel Salam, Jeddah (SA); Radwan K. Al-Farawati, Jeddah (SA); Naif Salama Aljohani, Jeddah (SA); and Ibrahim I. Shabbaj, Jeddah (SA)
Assigned to KING ABDULAZIZ UNIVERSITY, Jeddah (SA)
Filed by King Abdulaziz University, Jeddah (SA)
Filed on Nov. 16, 2022, as Appl. No. 17/987,915.
Int. Cl. B01J 20/22 (2006.01); B01J 20/12 (2006.01); C02F 1/28 (2023.01); C02F 101/20 (2006.01)
CPC B01J 20/22 (2013.01) [B01J 20/12 (2013.01); C02F 1/288 (2013.01); C02F 1/281 (2013.01); C02F 1/285 (2013.01); C02F 2101/203 (2013.01); C02F 2209/06 (2013.01); C02F 2303/16 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method of removing heavy metals and/or salt from a solution, comprising
contacting the solution with 8-hydroxyquinoline modified halloysite nanoclay (8-HQHNC) under conditions suitable for the adsorption of the heavy metals and/or salt to the 8-HQHNC, wherein the 8-hydroxyquinoline comprises 0.5-2 wt % of the 8-HQHNC; and
recovering the 8-HQHNC from the solution, wherein the solution is desalination brine discharge.