(19)
(11) EP 3 548 439 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
27.11.2024 Bulletin 2024/48

(45) Mention of the grant of the patent:
14.08.2024 Bulletin 2024/33

(21) Application number: 17804587.8

(22) Date of filing: 30.11.2017
(51) International Patent Classification (IPC): 
C02F 1/461(2023.01)
C02F 3/30(2023.01)
C02F 9/00(2023.01)
C02F 1/28(2023.01)
C02F 103/20(2006.01)
C02F 3/00(2023.01)
C02F 1/467(2023.01)
C02F 1/04(2023.01)
C02F 1/44(2023.01)
(52) Cooperative Patent Classification (CPC):
C02F 1/048; C02F 1/283; C02F 1/441; C02F 1/4672; C02F 3/005; C02F 3/006; C02F 3/303; C02F 9/00; C02F 2001/46133; C02F 2103/005; C02F 2103/20; C02F 2201/46135; C02F 2201/4614; C02F 2209/06; C02F 2209/40; C02F 2301/046; Y02W 10/10
(86) International application number:
PCT/EP2017/080994
(87) International publication number:
WO 2018/100069 (07.06.2018 Gazette 2018/23)

(54)

METHOD FOR THE NITRIFICATION OF HIGH-STRENGTH AQUEOUS AMMONIA SOLUTIONS

VERFAHREN ZUR NITRIFIZIERUNG VON HOCHKONZENTRIERTEM AMMONIAKABWASSER

PROCÉDÉ DE NITRIFICATION DES EAUX USÉES AVEC AMMONIAC À HAUTE CONCENTRATION


(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

(30) Priority: 30.11.2016 EP 16201432

(43) Date of publication of application:
09.10.2019 Bulletin 2019/41

(73) Proprietor: EAWAG, Eidgenössische Anstalt für Wasserversorgung, Abwasserreinigung und Gewässerschutz
8600 Dübendorf (CH)

(72) Inventors:
  • UDERT, Kai, Markus
    CH-8004 Zürich (CH)
  • ZÖLLIG, Hanspeter
    CH-8046 Zürich (CH)

(74) Representative: Schmauder & Partner AG Patent- & Markenanwälte VSP 
Zwängiweg 7
8038 Zürich
8038 Zürich (CH)


(56) References cited: : 
WO-A1-2015/150610
US-A1- 2010 304 226
US-A1- 2013 112 601
US-A- 5 382 331
US-A1- 2012 132 521
   
  • UDERT K M ET AL: "Complete nutrient recovery from source-separated urine by nitrification and distillation", WATER RESEARCH, ELSEVIER, AMSTERDAM, NL, vol. 46, no. 2, 5 November 2011 (2011-11-05), pages 453 - 464, XP028349233, ISSN: 0043-1354, [retrieved on 20111117], DOI: 10.1016/J.WATRES.2011.11.020
  • NEDA FARAGHI ET AL: "Nitrite as a candidate substrate in microbial fuel cells", BIOTECHNOLOGY LETTERS, SPRINGER NETHERLANDS, DORDRECHT, vol. 34, no. 8, 1 May 2012 (2012-05-01), pages 1483 - 1486, XP035089772, ISSN: 1573-6776, DOI: 10.1007/S10529-012-0939-Y
  • JINGJING YANG ET AL: "Oxidation-reduction potential (ORP) as a control parameter in a single-stage partial nitritation/anammox process treating reject water : ORP control on partial nitrification/anammox process", JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, vol. 91, no. 10, 29 December 2015 (2015-12-29), pages 2582 - 2589, XP055447133, ISSN: 0268-2575, DOI: 10.1002/jctb.4849
  • MARTIN G. LIEBENSTEINER ET AL: "Microbial redox processes in deep subsurface environments and the potential application of (per)chlorate in oil reservoirs", FRONTIERS IN MICROBIOLOGY, vol. 5, 1 September 2014 (2014-09-01), XP055447136, DOI: 10.3389/fmicb.2014.00428
   
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