PT3770113T - Processo para preparar ácido fosfórico de grau técnico a partir de cinza de lamas de depuração - Google Patents
Processo para preparar ácido fosfórico de grau técnico a partir de cinza de lamas de depuraçãoInfo
- Publication number
- PT3770113T PT3770113T PT193826401T PT19382640T PT3770113T PT 3770113 T PT3770113 T PT 3770113T PT 193826401 T PT193826401 T PT 193826401T PT 19382640 T PT19382640 T PT 19382640T PT 3770113 T PT3770113 T PT 3770113T
- Authority
- PT
- Portugal
- Prior art keywords
- phosphoric acid
- sewage sludge
- technical grade
- preparing technical
- sludge ash
- Prior art date
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010801 sewage sludge Substances 0.000 title 1
Classifications
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
-
- 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
- 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
- C22B7/007—Wet processes by acid leaching
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Metallurgy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
- Extraction Or Liquid Replacement (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19382640.1A EP3770113B1 (en) | 2019-07-25 | 2019-07-25 | Process for preparing technical grade phosphoric acid from sewage sludge ash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT3770113T true PT3770113T (pt) | 2023-06-21 |
Family
ID=67480142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT193826401T PT3770113T (pt) | 2019-07-25 | 2019-07-25 | Processo para preparar ácido fosfórico de grau técnico a partir de cinza de lamas de depuração |
Country Status (6)
| Country | Link |
|---|---|
| EP (2) | EP3770113B1 (pt) |
| DK (1) | DK3770113T3 (pt) |
| ES (1) | ES2947811T3 (pt) |
| FI (1) | FI3770113T3 (pt) |
| PT (1) | PT3770113T (pt) |
| SI (1) | SI3770113T1 (pt) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE544657C2 (en) * | 2021-02-09 | 2022-10-11 | Easymining Sweden Ab | Chemical processing of sewage sludge ash |
| CN115058597B (zh) * | 2022-06-30 | 2024-06-04 | 盛隆资源再生（无锡）有限公司 | 一种含钙、铁、钴、镍的电镀污泥的回收处理方法 |
| EP4516733A1 (de) | 2023-08-30 | 2025-03-05 | LANXESS Deutschland GmbH | Rückgewinnung von phosphor in form seiner chloride aus klärschlammasche |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1108866A (en) | 1978-04-04 | 1981-09-15 | David Krofchak | Process for the treatment of incinerated sewage sludge ash |
| JP5118159B2 (ja) * | 2007-03-19 | 2013-01-16 | イージーマイニング スウェーデン エービー | リン回収 |
| DE102011013033A1 (de) | 2011-03-04 | 2012-09-06 | Alexandra Beckmann | Aufbereiten von Müllverbrennungsasche |
| EP2602013B1 (de) | 2011-12-06 | 2014-08-06 | BSH Umweltservice AG | Phosphorrückgewinnung aus phosphorhaltigen Produkten, insbesondere aus Klärschlammasche |
| DE102013103770A1 (de) | 2013-04-15 | 2014-10-16 | Rwe Power Ag | Verfahren zur Gewinnung von phosphorhaltigen Verbindungen aus Klärschlamm |
| SE537780C3 (pt) * | 2013-05-02 | 2015-12-08 | ||
| KR102172325B1 (ko) | 2013-12-20 | 2020-11-02 | 프레이옹 | 폐기물 소각으로부터 회분을 회수하는 방법 |
| DE102014108199B3 (de) | 2014-06-11 | 2015-05-13 | Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser Vertreten Durch Den Präsidenten Der Bundesanstalt Für Materialforschung Und -Prüfung (Bam) | Herstellung citratlöslicher Phosphate durch Kalzinierung sekundärer Phosphatquellen mit einer Natrium-Schwefel-Verbindung |
| CN108910849B (zh) * | 2018-07-23 | 2020-01-14 | 四川大学 | 一种从污泥灰中循环提取磷的方法 |
-
2019
- 2019-07-25 DK DK19382640.1T patent/DK3770113T3/da active
- 2019-07-25 EP EP19382640.1A patent/EP3770113B1/en active Active
- 2019-07-25 ES ES19382640T patent/ES2947811T3/es active Active
- 2019-07-25 FI FIEP19382640.1T patent/FI3770113T3/fi active
- 2019-07-25 EP EP23157483.1A patent/EP4206125A1/en not_active Withdrawn
- 2019-07-25 SI SI201930564T patent/SI3770113T1/sl unknown
- 2019-07-25 PT PT193826401T patent/PT3770113T/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP4206125A1 (en) | 2023-07-05 |
| EP3770113B1 (en) | 2023-03-29 |
| FI3770113T3 (fi) | 2023-06-14 |
| EP3770113A1 (en) | 2021-01-27 |
| DK3770113T3 (da) | 2023-06-06 |
| ES2947811T3 (es) | 2023-08-21 |
| SI3770113T1 (sl) | 2023-08-31 |
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