(19)
(11) EP 4 054 743 A1

(12)

(43) Date of publication:
14.09.2022 Bulletin 2022/37

(21) Application number: 20816760.1

(22) Date of filing: 05.11.2020
(51) International Patent Classification (IPC): 
B01D 53/14(2006.01)
B01D 53/52(2006.01)
B01D 53/78(2006.01)
 B01D 53/50(2006.01)
B01D 53/56(2006.01)
(52) Cooperative Patent Classification (CPC):
B01D 53/1456; B01D 53/1425; B01D 53/1468; B01D 53/1481; B01D 53/1493; B01D 2251/302; B01D 2251/304; B01D 2251/306; B01D 2252/10; B01D 2257/308; B01D 2258/0283; B01D 2257/302; B01D 2257/404; B01D 2257/304; B01D 53/96
(86) International application number:
PCT/US2020/059167
(87) International publication number:
WO 2021/092215 (14.05.2021 Gazette 2021/19)
(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

(30) Priority: 07.11.2019 US 201962932410 P
07.02.2020 US 202062971488 P
21.02.2020 US 202062979628 P
12.03.2020 US 202062988436 P

(71) Applicant: Massachusetts Institute of Technology
Cambridge, MA 02139 (US)

(72) Inventors:
  • HARADA, Takuya
    Nagoya, Aichi, 464--0015 (JP)
  • HALLIDAY, Cameron, G.
    Wokingham, Berkshire (GB)
  • HATTON, Trevor Alan
    Sudbury, MA 01776 (US)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) TREATMENT OF ACID GASES USING MOLTEN ALKALI METAL BORATES AND ASSOCIATED METHODS OF SEPARATION, AND PROCESSES FOR REGENERATING SORBENTS AND ASSOCIATED SYSTEMS