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Waste Activated Sludge Phosphorus And Magnesium Stripping Process And Struvite Production System - EP3156372

The patent EP3156372 was granted to Clean Water Services on Jan 6, 2021. The application was originally filed on Feb 2, 2009 under application number EP16182448A. The patent is currently recorded with a legal status of "Revoked".

EP3156372

CLEAN WATER SERVICES
Application Number
EP16182448A
Filing Date
Feb 2, 2009
Status
Revoked
Aug 2, 2025
Grant Date
Jan 6, 2021
External Links
Slate, Register, Google Patents

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AUGUST DEBOUZYApr 21, 2021AUGUST DEBOUZY -

Patent Citations (7) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS6387264
DESCRIPTIONWO2005077834
SEARCHDE3833039
SEARCHUS2007209998
SEARCHUS6406629
SEARCHUS6982036
SEARCHWO2007089481

Non-Patent Literature (NPL) Citations (15) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
DESCRIPTION- D. MONTAG, "A Feasible Approach of Integrating Phosphate Recovery as Struvite at Waste Water Treatment Plants", PROCEEDINGS, INSTITUTE OF ENVIRONMENTAL ENGINEERING, (2007), pages 551 - 558-
DESCRIPTION- J. H. RENSINK, "The Modified Renphosystem: A High Biological Nutrient Removal System", WAT. SCI. TECH., (1997), vol. 35, no. 10, pages 137 - 146-
OPPOSITION- HIROSHI IMAI et al., "Potassium Removal Accompanied by Enhanced Biological Phosphate Remova l", Journal of Fermentation and Bioengineering, (19900000), vol. 69, no. 4, pages 250 - 255, XP055962624-
OPPOSITION- H.K. SRINIVAS, "Coupling of phosphorus recovery to enhanced biological phophorus removal process through sidestream : a pilot scale study Srinivas", thesis, (20061100), XP055962600-
OPPOSITION- Levlin E, Hultman B, "PHOSPHORUS RECOVERY FROM PHOSPHATE RICH SIDE- STREAMS IN WASTEWATER TREATMENT PLANTS", Dep. of Land and Water Resources Engineering, Royal Institute of Technology, (20030101), pages 47 - 56, XP055962620-
OPPOSITION- Montag D, Gethke K, Pinnekamp J, "A Feasible Approach of Integrating Phosphate Recovery as Struvite at Waste Water Treatment Plants", Institute of Environmental Engineering, (20070101), pages 551 - 558, Institute of Environmental Engineering,, (20220920), XP055962604-
OPPOSITION- R. BARAT et al., "The Role of Potassium, Magnesium and Calcium in the Enhanced Biological Phosphorus Removal Treatment Plants", Environmental Technology, (20050000), vol. 26, no. 9, pages 983 - 992, XP055962619-
OPPOSITION- S.Brett, J.Guy ,G K Morse, J.N.Leaster, "4. biological phosphorus removal ", Phosphorus Removal and Recovery Technologies, (19970101), pages 15 - 56, XP055962613-
OPPOSITION- L. PASTOR et al., "Sewage sludge management for phosphorus recovery as struvite in EBPR wastewater treatment plants", Bioresource Technology, (20071031), vol. 99, doi:10.1016/j.biortech.2007.09.054, pages 4817 - 4824, XP022606290
OPPOSITION- T. MINO et al., "Microbiology and Biochemistry of the Enhanced Biological Phosphate Removal Process", Wat. Res., (19980000), vol. 32, no. 11, doi:10.1016/S0043-1354(98)00129-8, pages 3193 - 3207, XP004138935
OPPOSITION- S. WILLIAMS, "Struvite Precipitation in the Sludge Stream at Slough WasteWater Treatment Plant and Opportunities for Phosphorus Recovery", Environmental Technology, (19990101), vol. 20, no. 7, doi:10.1080/09593332008616869, pages 743 - 747, XP055156935
OPPOSITION- M. R. GATERELL et al., "An Economic and Environmental Evaluation of the Opportunities for Substituting Phosphorus Recovered from Wastewater Treatment Works in Existing UK Fertiliser Markets", Environmental Technology, (20000901), vol. 21, no. 9, doi:10.1080/09593332108618050, pages 1067 - 1084, XP055195228
SEARCH- S. WILLIAMS, "Struvite Precipitation in the Sludge Stream at Slough Wastewater Treatment Plant and Opportunities for Phosphorus Recovery", ENVIRONMENTAL TECHNOLOGY, (19990101), vol. 20, no. 7, doi:10.1080/09593332008616869, pages 743 - 747, XP055156935 [I] 1-10 * page 744 - page 747 * * table 3 * * figure 1 *
SEARCH- N. A. BOOKER ET AL, "Struvite Formation in Wastewater Treatment Plants: Opportunities for Nutrient Recovery", ENVIRONMENTAL TECHNOLOGY, GB, (19990711), vol. 20, no. 7, doi:10.1080/09593332008616874, ISSN 0959-3330, pages 777 - 782, XP055353932 [A] 1-10 * page 781, column l *
SEARCH- M. R. GATERELL ET AL, "An Economic and Environmental Evaluation of the Opportunities for Substituting Phosphorus Recovered from Wastewater Treatment Works in Existing UK Fertiliser Markets", ENVIRONMENTAL TECHNOLOGY, (20000901), vol. 21, no. 9, doi:10.1080/09593332108618050, ISSN 0959-3330, pages 1067 - 1084, XP055195228 [I] 1-10 * figures 1,2 * * table 2 * * page 1068, column left, paragraph 2 - page 1071, column left, paragraph 2 *

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