SG11202113077SA - Decomposition of struvite - Google Patents

Decomposition of struvite

Info

Publication number: SG11202113077SA
Authority: SG; Singapore
Prior art keywords: struvite; decomposition
Prior art date: 2019-06-17

Application number

SG11202113077SA

Inventor

Yariv Cohen

Patrik Enfält

John Svärd

Carl-Johan Högberg

Emilie Nordström

Original Assignee

Easymining Sweden Ab

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2019-06-17

Filing date

2020-06-11

Publication date

2021-12-30

2020-06-11 Application filed by Easymining Sweden Ab filed Critical Easymining Sweden Ab

2021-12-30 Publication of SG11202113077SA publication Critical patent/SG11202113077SA/en

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5209—Regulation methods for flocculation or precipitation
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5254—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using magnesium compounds and phosphoric acid for removing ammonia
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B9/00—Fertilisers based essentially on phosphates or double phosphates of magnesium
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C1/00—Ammonium nitrate fertilisers
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C5/00—Fertilisers containing other nitrates
- C05C5/04—Fertilisers containing other nitrates containing calcium nitrate
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/586—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing ammoniacal nitrogen
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Water Supply & Treatment (AREA)
Hydrology & Water Resources (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Removal Of Specific Substances (AREA)
Treatment Of Sludge (AREA)
Processing Of Solid Wastes (AREA)
Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Fertilizers (AREA)

SG11202113077SA 2019-06-17 2020-06-11 Decomposition of struvite SG11202113077SA (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE1950734A SE543877C2 (en)	2019-06-17	2019-06-17	Decomposition of struvite
PCT/SE2020/050605 WO2020256622A1 (en)	2019-06-17	2020-06-11	Decomposition of struvite

Publications (1)

Publication Number	Publication Date
SG11202113077SA true SG11202113077SA (en)	2021-12-30

Family

ID=74040627

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SG11202113077SA SG11202113077SA (en)	2019-06-17	2020-06-11	Decomposition of struvite

Country Status (13)

Country	Link
US (1)	US20220315460A1 (en)
EP (1)	EP3983360A4 (en)
JP (1)	JP2022537023A (en)
KR (1)	KR20220047250A (en)
CN (1)	CN114072371A (en)
AU (1)	AU2020294428A1 (en)
BR (1)	BR112021025269A2 (en)
CA (1)	CA3142603C (en)
CL (1)	CL2021003360A1 (en)
IL (1)	IL288571A (en)
SE (1)	SE543877C2 (en)
SG (1)	SG11202113077SA (en)
WO (1)	WO2020256622A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE541387C2 (en) *	2017-12-19	2019-09-10	Easymining Sweden Ab	Chemical processing of struvite
CN114685217B (en) *	2022-03-16	2023-02-03	华南农业大学	Method for effectively recovering biogas slurry nutrients by using biogas residue carbon containing ash and phosphorus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA257803A (en) *		1926-02-02	Hofmann Hugo	Process for the recovery of ammonia from the waste waters
GB778252A (en) *	1955-01-28	1957-07-03	Applic Et De Rech S Ind Soc D	Improvements in or relating to the production of di-calcium phosphate
US8158089B2 (en) *	2007-07-12	2012-04-17	Washington State University Research Foundation	Compositions and methods for wastewater treatment
CN101555076B (en) *	2008-04-11	2011-02-09	中国科学院广州地球化学研究所	Ammonian remover used for treating highly concentrated ammonian wastewater and treatment method
EP2431336A1 (en) *	2010-09-20	2012-03-21	Akwadok BVBA	Method for purifying wastewater with ammonium removal
CN102417169B (en) *	2011-08-15	2013-11-20	武善东	Acidolysis method of magnesium-containing phosphate rock
NL1039442C2 (en) *	2012-03-06	2013-09-09	Lely Patent Nv	Biomass conversion methods and systems.
SE537780C2 (en) *	2013-05-02	2015-10-13	Easymining Sweden Ab	Production of phosphate compounds from materials containing phosphorus and at least one of iron and aluminum
EP2904892A1 (en) *	2014-02-11	2015-08-12	Morten Toft	Method and system for extracting at least a part of the phosphorous and/or nitrogen content of slurry and use of a mobile slurry distribution system as a crystallisation container
US20190062172A1 (en) *	2017-08-30	2019-02-28	Boost Environmental systems Inc.	Process for removal or recovery of ammonium nitrogen from wastewater streams
SE541387C2 (en) *	2017-12-19	2019-09-10	Easymining Sweden Ab	Chemical processing of struvite
SE543887C2 (en) *	2019-05-28	2021-09-14	Easymining Sweden Ab	Chemical processing of struvite

2019
- 2019-06-17 SE SE1950734A patent/SE543877C2/en unknown
2020
- 2020-06-11 BR BR112021025269A patent/BR112021025269A2/en unknown
- 2020-06-11 US US17/619,786 patent/US20220315460A1/en active Pending
- 2020-06-11 WO PCT/SE2020/050605 patent/WO2020256622A1/en unknown
- 2020-06-11 JP JP2021573517A patent/JP2022537023A/en active Pending
- 2020-06-11 SG SG11202113077SA patent/SG11202113077SA/en unknown
- 2020-06-11 KR KR1020227001548A patent/KR20220047250A/en unknown
- 2020-06-11 EP EP20825557.0A patent/EP3983360A4/en active Pending
- 2020-06-11 AU AU2020294428A patent/AU2020294428A1/en active Pending
- 2020-06-11 CA CA3142603A patent/CA3142603C/en active Active
- 2020-06-11 CN CN202080043047.XA patent/CN114072371A/en active Pending
2021
- 2021-12-01 IL IL288571A patent/IL288571A/en unknown
- 2021-12-15 CL CL2021003360A patent/CL2021003360A1/en unknown

Also Published As

Publication number	Publication date
KR20220047250A (en)	2022-04-15
WO2020256622A1 (en)	2020-12-24
SE543877C2 (en)	2021-08-17
BR112021025269A2 (en)	2022-02-08
EP3983360A4 (en)	2023-07-05
CA3142603A1 (en)	2020-12-24
JP2022537023A (en)	2022-08-23
US20220315460A1 (en)	2022-10-06
AU2020294428A1 (en)	2022-01-27
IL288571A (en)	2022-02-01
CL2021003360A1 (en)	2022-10-07
CA3142603C (en)	2024-03-19
SE1950734A1 (en)	2020-12-18
EP3983360A1 (en)	2022-04-20
CN114072371A (en)	2022-02-18

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