(19)
(11) EP 4 330 193 A1

(12)

(43) Date of publication:
06.03.2024 Bulletin 2024/10

(21) Application number: 22723153.7

(22) Date of filing: 28.04.2022
(51) International Patent Classification (IPC): 
C02F 1/28(2023.01)
C10L 9/08(2006.01)
C02F 1/38(2023.01)
C02F 1/66(2023.01)
C02F 103/26(2006.01)
 C10B 53/02(2006.01)
C02F 11/10(2006.01)
C02F 1/00(2023.01)
C02F 1/52(2023.01)
(52) Cooperative Patent Classification (CPC):
C02F 1/283; C02F 11/10; C02F 2103/26; C02F 1/004; C02F 1/38; C10B 53/02; C02F 1/52; C02F 1/66; C01B 32/324; C10L 5/447; C10L 9/086; C10L 2290/146; C10L 9/08; C01B 32/336
(86) International application number:
PCT/FI2022/050279
(87) International publication number:
WO 2022/229512 (03.11.2022 Gazette 2022/44)
(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: 28.04.2021 FI 20215496

(71) Applicant: AQUAFLOW OY
57100 Savonlinna (FI)

(72) Inventors:
  • BJÖRNSTRÖM, Martin
    00140 Helsinki (FI)
  • SEPPÄLÄ, Otso
    57100 Savonlinna (FI)
  • KUMPULAINEN, Matti
    57100 Savonlinna (FI)
  • KOUKKARI, Pertti
    02044 VTT (FI)
  • KARLSSON, Markku
    00140 Helsinki (FI)
  • SIIPOLA, Virpi
    02044 VTT (FI)

(74) Representative: Papula Oy 
P.O. Box 981
00101 Helsinki
00101 Helsinki (FI)

   


(54) METHOD FOR RECYCLING SIDE PRODUCTS AND/OR WASTE FOR WASTEWATER PURIFICATION