US 12,077,455 B2
Receptor and method for removing oxoanions from aqueous phase
Jan Romanski, Stroze (PL); Damian Jagleniec, Koden (PL); and Marcin Karbarz, Warsaw (PL)
Assigned to UNIWERSYTET WARSZAWSKI, Warsaw (PL)
Appl. No. 17/436,780
Filed by UNIWERSYTET WARSZAWSKI, Warsaw (PL)
PCT Filed Mar. 6, 2020, PCT No. PCT/PL2020/000025
§ 371(c)(1), (2) Date Sep. 7, 2021,
PCT Pub. No. WO2020/180199, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 429164 (PL), filed on Mar. 6, 2019.
Prior Publication US 2022/0169536 A1, Jun. 2, 2022
Int. Cl. C02F 1/28 (2023.01); C02F 1/68 (2023.01); C07D 323/00 (2006.01); G01N 21/78 (2006.01); G21F 9/12 (2006.01); G21F 9/16 (2006.01); C02F 101/00 (2006.01); C02F 101/10 (2006.01); C02F 101/16 (2006.01)
CPC C02F 1/285 (2013.01) [C02F 1/683 (2013.01); C07D 323/00 (2013.01); G01N 21/78 (2013.01); G21F 9/12 (2013.01); G21F 9/162 (2013.01); C02F 2101/006 (2013.01); C02F 2101/101 (2013.01); C02F 2101/163 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method of removing alkali metal sulfates (VI) from aqueous phase, using receptors in the form of organic molecules containing amide groups specifically coordinating sulfate (VI) anions as well as moieties specifically coordinating alkali metal cations, the receptor(s) having the general formula (I):

OG Complex Work Unit Chemistry
wherein
X is any aliphatic or aromatic group,
Y is a direct bond or a linker selected from any aliphatic or aromatic group,
Z is a crown ether moiety.