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(11)

EP 4 093 527 A1

(12)

(43) Date of publication: 30.11.2022 Bulletin 2022/48 (21) Application number: 20705861.1 (22) Date of filing: 21.01.2020

(51) International Patent Classification (IPC):  B01D 11/04(2006.01) C22B 3/26(2006.01) B01D 69/08(2006.01) C22B 59/00(2006.01) (52) Cooperative Patent Classification (CPC): B01D 11/0415; B01D 11/0488; C22B 59/00; C22B 3/06; B01D 61/38; B01D 69/142; B01D 63/02; B01D 61/246; C22B 3/32; C22B 3/408; C22B 3/3842; C22B 3/3844; Y02P 10/20 (86) International application number: PCT/US2020/014363 (87) International publication number: WO 2021/150208 (29.07.2021 Gazette 2021/30)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: UT-Battelle, LLC Oak Ridge, Tennessee 37831-6258 (US)	(72) Inventors: BHAVE, Ramesh R. Oak Ridge, Tennessee 37831-6258 (US) ISLAM, Syed Z. Oak Ridge, Tennessee 37831-6258 (US) DESHMANE, Vishwanath Painted Post, NY 14870 (US) (74) Representative: Haseltine Lake Kempner LLP  Cheapside House 138 Cheapside London EC2V 6BJ London EC2V 6BJ (GB)