(19)
(11) EP 4 568 765 A1

(12)

(43) Date of publication:
18.06.2025 Bulletin 2025/25

(21) Application number: 23853495.2

(22) Date of filing: 08.08.2023
(51) International Patent Classification (IPC): 
B01D 11/04(2006.01)
C01C 1/12(2006.01)
 C01C 1/10(2006.01)
C02F 1/66(2023.01)
(52) Cooperative Patent Classification (CPC):
C01C 1/12; C01C 1/10
(86) International application number:
PCT/US2023/071884
(87) International publication number:
WO 2024/036179 (15.02.2024 Gazette 2024/07)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 09.08.2022 US 202263474357 P

(71) Applicants:
  • Circular Upcycling
    Redondo Beach, CA 90277 (US)
  • Figure 8 Environmental
    San Luis Obispo, CA 93401 (US)

(72) Inventors:
  • TASAKI, Ken
    Redondo Beach, CA 90277 (US)
  • HARRISON, Scott
    San Luis Obispo, CA 93401 (US)

(74) Representative: Beck Greener LLP 
Fulwood House 12 Fulwood Place
London WC1V 6HR
London WC1V 6HR (GB)

   


(54) METHOD OF BIOAMMONIA PRODUCTION FROM WASTEWATER THROUGH APPLICATION OF MASS-TRANSFER REACTION KINETICS