US 11,999,635 B2
Method for decontaminating a liquid
Peter James Keating, Forrestdale (AU); and Julia Heide, Ashfield (AU)
Assigned to SOUTHERN SPONGOLITE INDUSTRIES PTY LTD, Albany (AU)
Appl. No. 17/293,553
Filed by Southern Spongolite Industries Pty Ltd, Albany (AU)
PCT Filed Nov. 13, 2019, PCT No. PCT/AU2019/051247
§ 371(c)(1), (2) Date May 13, 2021,
PCT Pub. No. WO2020/097680, PCT Pub. Date May 22, 2020.
Claims priority of application No. 2018904321 (AU), filed on Nov. 13, 2018.
Prior Publication US 2023/0073040 A1, Mar. 9, 2023
Int. Cl. C02F 1/28 (2023.01); B01J 20/02 (2006.01); B01J 20/10 (2006.01); B01J 20/28 (2006.01); B01J 20/30 (2006.01); B01J 20/34 (2006.01); C02F 101/10 (2006.01); C02F 101/16 (2006.01); C02F 103/00 (2006.01)
CPC C02F 1/288 (2013.01) [B01J 20/02 (2013.01); B01J 20/10 (2013.01); B01J 20/28011 (2013.01); B01J 20/3078 (2013.01); B01J 20/3085 (2013.01); B01J 20/3433 (2013.01); B01J 20/3071 (2013.01); C02F 1/281 (2013.01); C02F 2101/105 (2013.01); C02F 2101/16 (2013.01); C02F 2101/163 (2013.01); C02F 2101/166 (2013.01); C02F 2103/001 (2013.01); C02F 2103/007 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A method for sorption of phosphorous and/or nitrogen from a liquid, the method comprising the steps of:
i) calcining spongolite and/or treating spongolite with a soluble metal cation solution;
ii) contacting the liquid with a composition comprising the calcined and/or soluble metal treated spongolite.