EP4337359A4 - SYSTEMS AND METHODS FOR RECOVERING VALUE-ADDED MATERIALS FROM GYPSUM - Google Patents
SYSTEMS AND METHODS FOR RECOVERING VALUE-ADDED MATERIALS FROM GYPSUMInfo
- Publication number
- EP4337359A4 EP4337359A4 EP22805261.9A EP22805261A EP4337359A4 EP 4337359 A4 EP4337359 A4 EP 4337359A4 EP 22805261 A EP22805261 A EP 22805261A EP 4337359 A4 EP4337359 A4 EP 4337359A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- gypsum
- systems
- methods
- added materials
- recovering value
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0492—Applications, solvents used
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0027—Evaporation of components of the mixture to be separated by means of conveying fluid, e.g. spray-crystallisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
- B01D9/0054—Use of anti-solvent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0063—Control or regulation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/24—Sulfates of ammonium
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D3/00—Halides of sodium, potassium or alkali metals in general
- C01D3/04—Chlorides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/07—Preparation from the hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/46—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/44—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water
- C01F7/441—Dehydration of aluminium oxide or hydroxide, i.e. all conversions of one form into another involving a loss of water by calcination
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B59/00—Obtaining rare earth metals
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/006—Wet processes
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17/321,437 US11479472B2 (en) | 2019-01-24 | 2021-05-15 | Systems and methods to recover value-added materials from gypsum |
| PCT/US2022/029451 WO2022245733A1 (en) | 2021-05-15 | 2022-05-16 | Systems and methods to recover value-added materials from gypsum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4337359A1 EP4337359A1 (en) | 2024-03-20 |
| EP4337359A4 true EP4337359A4 (en) | 2025-11-19 |
Family
ID=84140825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22805261.9A Pending EP4337359A4 (en) | 2021-05-15 | 2022-05-16 | SYSTEMS AND METHODS FOR RECOVERING VALUE-ADDED MATERIALS FROM GYPSUM |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4337359A4 (en) |
| CA (1) | CA3218330A1 (en) |
| WO (1) | WO2022245733A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117602598B (en) * | 2023-11-24 | 2025-01-10 | 昆明理工大学 | A method for preparing phosphoric acid using bulk solid waste phosphogypsum |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127642A (en) * | 2011-03-26 | 2011-07-20 | 太原理工大学 | Method for enriching rare-earth elements from red mud |
| CN105087934A (en) * | 2014-05-16 | 2015-11-25 | 荆门市格林美新材料有限公司 | Method for recycling rare earth metal from waste fluorescent powder |
| US20190153562A1 (en) * | 2017-11-20 | 2019-05-23 | Purdue Research Foundation | Preparation of rare earth metals and other chemicals from industrial waste coal ash |
| WO2020154699A1 (en) * | 2019-01-24 | 2020-07-30 | Elixsys Inc. | Systems and methods to treat flue gas desulfurization and metal-bearing waste streams to recover value-added materials |
| US20200239325A1 (en) * | 2019-01-24 | 2020-07-30 | Elixsys Inc. | Systems and Methods to Treat Flue Gas Desulfurization Waste to Produce Ammonium Sulfate and Calcium Carbonate Products |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101588320B1 (en) * | 2012-08-10 | 2016-01-25 | 스파르스태인 테크놀로지스 엘엘씨 | Process for converting fgd gypsum to ammonium sulfate and calcium carbonate |
| US9682868B2 (en) * | 2015-01-30 | 2017-06-20 | Sparstane Technologies LLC | Partially continuous countercurrent process for converting gypsum to ammonium sulfate and calcium carbonate |
| PL412427A1 (en) * | 2015-05-20 | 2016-11-21 | Włodzimierz Merka | Method for complex utilization of phosphogypsum |
| US11479472B2 (en) * | 2019-01-24 | 2022-10-25 | Elixsys, Inc. | Systems and methods to recover value-added materials from gypsum |
-
2022
- 2022-05-16 CA CA3218330A patent/CA3218330A1/en active Pending
- 2022-05-16 WO PCT/US2022/029451 patent/WO2022245733A1/en not_active Ceased
- 2022-05-16 EP EP22805261.9A patent/EP4337359A4/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127642A (en) * | 2011-03-26 | 2011-07-20 | 太原理工大学 | Method for enriching rare-earth elements from red mud |
| CN105087934A (en) * | 2014-05-16 | 2015-11-25 | 荆门市格林美新材料有限公司 | Method for recycling rare earth metal from waste fluorescent powder |
| US20190153562A1 (en) * | 2017-11-20 | 2019-05-23 | Purdue Research Foundation | Preparation of rare earth metals and other chemicals from industrial waste coal ash |
| WO2020154699A1 (en) * | 2019-01-24 | 2020-07-30 | Elixsys Inc. | Systems and methods to treat flue gas desulfurization and metal-bearing waste streams to recover value-added materials |
| US20200239325A1 (en) * | 2019-01-24 | 2020-07-30 | Elixsys Inc. | Systems and Methods to Treat Flue Gas Desulfurization Waste to Produce Ammonium Sulfate and Calcium Carbonate Products |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2022245733A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4337359A1 (en) | 2024-03-20 |
| CA3218330A1 (en) | 2022-11-24 |
| WO2022245733A4 (en) | 2023-01-19 |
| WO2022245733A1 (en) | 2022-11-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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| 17P | Request for examination filed |
Effective date: 20231212 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): 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 |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20251017 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: B01D 21/26 20060101AFI20251013BHEP Ipc: B01D 36/02 20060101ALI20251013BHEP Ipc: B01D 36/04 20060101ALI20251013BHEP Ipc: B01D 9/00 20060101ALI20251013BHEP Ipc: C22B 7/00 20060101ALI20251013BHEP Ipc: C22B 59/00 20060101ALI20251013BHEP Ipc: B01D 11/04 20060101ALI20251013BHEP Ipc: C01C 1/24 20060101ALI20251013BHEP Ipc: C01D 3/04 20060101ALI20251013BHEP Ipc: C01D 7/07 20060101ALI20251013BHEP Ipc: C01F 11/46 20060101ALI20251013BHEP Ipc: C01G 49/06 20060101ALI20251013BHEP Ipc: C22B 3/44 20060101ALI20251013BHEP Ipc: C01F 7/441 20220101ALI20251013BHEP Ipc: C01F 11/18 20060101ALI20251013BHEP Ipc: C01G 49/02 20060101ALI20251013BHEP |