Title:
改良されたリン回収プロセス及びプラント
Document Type and Number:
Japanese Patent JP7177269
Kind Code:
B2
Abstract:
A method and plant for recovering phosphate from a biomass material, the biomass material suitably being a waste activated sludge from an upstream wastewater treatment process including a biological P removal process. The method includes an anaerobic digestion stage and steps for recovering independent streams rich in PO4 and Mg, or rich in PO4 and NH4, thereby increasing the amount of P recovered and avoiding struvite formation in the anaerobic digester and accessory equipment thereof, such as pipes.
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Inventors:
Holte, Hans Rasmus
Ringut, Davy P.M.
Ringut, Davy P.M.
Application Number:
JP2021527820A
Publication Date:
November 22, 2022
Filing Date:
November 21, 2019
Export Citation:
Assignee:
Cambi Technology Ayes
International Classes:
C02F11/00; C02F11/04; C02F11/08; C02F11/12; C02F11/127
Domestic Patent References:
| JP2011510809A | ||||
| JP2016508876A | ||||
| JP2003275789A | ||||
| JP4131195A | ||||
| JP2004000941A | ||||
| JP2003094014A |
Foreign References:
| US5141646 | ||||
| US20130134089 |
Attorney, Agent or Firm:
Patent Attorney Corporation Asamura Patent Office
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