ZA83530B - Process for removing heavy metal ions from wet-processed phosphoric acid - Google Patents
Process for removing heavy metal ions from wet-processed phosphoric acidInfo
- Publication number
- ZA83530B ZA83530B ZA83530A ZA83530A ZA83530B ZA 83530 B ZA83530 B ZA 83530B ZA 83530 A ZA83530 A ZA 83530A ZA 83530 A ZA83530 A ZA 83530A ZA 83530 B ZA83530 B ZA 83530B
- Authority
- ZA
- South Africa
- Prior art keywords
- phosphoric acid
- wet
- heavy metal
- metal ions
- removing heavy
- Prior art date
Links
Classifications
-
- 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
- C01B25/234—Purification; Stabilisation; Concentration
- C01B25/237—Selective elimination of impurities
-
- 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
- C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
- C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
-
- 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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19823202658 DE3202658A1 (de) | 1982-01-28 | 1982-01-28 | Verfahren zur entfernung von schwermetallionen aus nassverfahrensphosphorsaeure |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA83530B true ZA83530B (en) | 1983-11-30 |
Family
ID=6154086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA83530A ZA83530B (en) | 1982-01-28 | 1983-01-27 | Process for removing heavy metal ions from wet-processed phosphoric acid |
Country Status (13)
Country | Link |
---|---|
US (1) | US4452768A (xx) |
EP (1) | EP0085344B1 (xx) |
JP (1) | JPS58130109A (xx) |
AT (1) | ATE18382T1 (xx) |
BR (1) | BR8300409A (xx) |
CA (1) | CA1195824A (xx) |
DE (2) | DE3202658A1 (xx) |
ES (1) | ES518898A0 (xx) |
FI (1) | FI68388C (xx) |
IL (1) | IL67583A (xx) |
MX (1) | MX157091A (xx) |
TR (1) | TR21442A (xx) |
ZA (1) | ZA83530B (xx) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3327394A1 (de) * | 1982-05-18 | 1985-02-14 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zum entfernen von cadmium aus sauren, insbesondere p(pfeil abwaerts)2(pfeil abwaerts)o(pfeil abwaerts)5(pfeil abwaerts)-haltigen loesungen |
IL69100A (en) * | 1982-07-21 | 1986-11-30 | Hoechst Ag | Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
DE3342211A1 (de) * | 1983-11-23 | 1985-05-30 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur extraktion von cadmium aus sauren loesungen |
FR2557090B1 (fr) * | 1983-12-23 | 1986-04-11 | Pechiney Uranium | Procede de purification de l'acide phosphorique de voie humide par elimination du cadmium |
DE3434611A1 (de) * | 1984-09-21 | 1986-04-03 | Hoechst Ag, 6230 Frankfurt | Verfahren zur reinigung von phosphorsaeure |
US4851199A (en) * | 1985-01-03 | 1989-07-25 | Union Oil Company Of California | Methods for recovering vanadium from phosphoric acid and vanadium sources |
US4978511A (en) * | 1985-01-03 | 1990-12-18 | Union Oil Company Of California | Methods for selectively recovering vanadium from phosphoric acid and vanadium sources |
DE3502215A1 (de) * | 1985-01-24 | 1986-07-24 | Hoechst Ag | Verfahren zur ueberfuehrung schwermetallhaltiger rueckstaende in feste deponiefaehige produkte |
DE3522822A1 (de) * | 1985-06-26 | 1987-01-02 | Hoechst Ag | Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren |
US4721605A (en) * | 1985-07-24 | 1988-01-26 | American Cyanamid Company | Selective removal of metals from aqueous solutions with dithiophosphinic acids |
DE3806822A1 (de) * | 1988-03-03 | 1989-09-14 | Hoechst Ag | Kontinuierliches verfahren zur vollstaendigen entferung organischer verunreinigungen und vollstaendiger entfaerbung vorgereinigter nassphosphorsaeure |
NO164768C (no) * | 1988-03-04 | 1990-11-14 | Norsk Hydro As | Fremgangsmaate for fjerning av tungmetaller, spesielt kadmium, fra fosforsyreholdige loesninger. |
IL85751A (en) * | 1988-03-16 | 1991-12-15 | Negev Phosphates Ltd | Method for the removal of heavy metal ions from phosphoric acid |
DE3913853A1 (de) * | 1989-04-27 | 1990-10-31 | Hoechst Ag | Verfahren zur aufarbeitung von phosphorsaeure |
DE4010778A1 (de) * | 1989-05-26 | 1990-11-29 | Budenheim Rud A Oetker Chemie | Verbessertes verfahren zum entfernen von cadmium-ionen aus nassverfahrensphosphorsaeure |
ES2020138A6 (es) * | 1990-04-27 | 1991-07-16 | Ercros Sa | Procedimiento de eliminacion de cadmio del acido fosforico. |
FR2740361B1 (fr) * | 1995-10-31 | 1997-12-26 | Rhone Poulenc Chimie | Agent d'elimination des metaux lourds comprenant un compose soufre |
US20040179984A1 (en) * | 2003-03-13 | 2004-09-16 | Nagaraj D. R. | Process for removing metal impurities from wet process phosphoric acid and compositions thereof |
ES2927875T3 (es) | 2017-10-08 | 2022-11-11 | Cytec Ind Inc | Procedimientos para eliminar metales pesados de soluciones de ácido fosfórico |
BR112022020189A2 (pt) * | 2020-06-16 | 2022-11-22 | Yara Int Asa | Processo para a remoção de metais pesados de uma composição contendo ácido fosfórico usando um agente de floculação |
EP4298053A1 (en) * | 2021-02-25 | 2024-01-03 | Jesa Technologies LLC | Method for removing heavy metals in the manufacture of phosphoric acid |
WO2024047228A1 (en) | 2022-09-02 | 2024-03-07 | Cytec Industries Inc. | Reagents and processes for removing heavy metals from phosphoric acid solutions |
WO2024105263A1 (en) | 2022-11-17 | 2024-05-23 | Cytec Industries Inc. | Compositions and processes for removing heavy metals from phosphoric acid containing streams |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4226791A (en) * | 1978-11-30 | 1980-10-07 | Berol Kemi Ab | Method and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extraction |
LU80676A1 (fr) * | 1978-12-19 | 1980-07-21 | Metallurgie Hoboken | Procede pour enlever des agents salissants de l'acide phosphorique |
SU791592A1 (ru) * | 1979-03-06 | 1980-12-30 | Казахский Научно-Исследовательский И Проектный Институт Фосфорной Промышленности | Способ очистки фосфорной кислоты от молибдена |
US4256570A (en) * | 1979-03-19 | 1981-03-17 | International Minerals & Chemical Corporation | Purification of phosphoric acid |
SE418845B (sv) * | 1979-05-10 | 1981-06-29 | Boliden Ab | Forfarande for rening av vatprocessfosforsyra |
FR2462481A1 (fr) * | 1979-07-30 | 1981-02-13 | British Petroleum Co | Procede d'extraction liquide-liquide de metaux en solution aqueuse au moyen de derives organophosphores |
SU912637A1 (ru) * | 1980-03-18 | 1982-03-15 | Казахский Научно-Исследовательский И Проектный Институт Фосфорной Промышленности | Способ очистки фосфорной кислоты от никел |
SU975570A1 (ru) * | 1981-04-16 | 1982-11-23 | Казахский Научно-Исследовательский И Проектный Институт Фосфорной Промышленности | Способ очистки фосфорной кислоты от железа |
-
1982
- 1982-01-28 DE DE19823202658 patent/DE3202658A1/de not_active Withdrawn
- 1982-12-28 IL IL67583A patent/IL67583A/xx not_active IP Right Cessation
- 1982-12-31 CA CA000418811A patent/CA1195824A/en not_active Expired
-
1983
- 1983-01-03 US US06/455,252 patent/US4452768A/en not_active Expired - Fee Related
- 1983-01-11 ES ES518898A patent/ES518898A0/es active Granted
- 1983-01-18 DE DE8383100377T patent/DE3362369D1/de not_active Expired
- 1983-01-18 AT AT83100377T patent/ATE18382T1/de active
- 1983-01-18 EP EP83100377A patent/EP0085344B1/de not_active Expired
- 1983-01-25 JP JP58009477A patent/JPS58130109A/ja active Granted
- 1983-01-26 FI FI830270A patent/FI68388C/fi not_active IP Right Cessation
- 1983-01-27 BR BR8300409A patent/BR8300409A/pt not_active IP Right Cessation
- 1983-01-27 TR TR21442A patent/TR21442A/xx unknown
- 1983-01-27 ZA ZA83530A patent/ZA83530B/xx unknown
- 1983-01-27 MX MX196061A patent/MX157091A/es unknown
Also Published As
Publication number | Publication date |
---|---|
FI830270A0 (fi) | 1983-01-26 |
US4452768A (en) | 1984-06-05 |
JPS58130109A (ja) | 1983-08-03 |
JPS6310086B2 (xx) | 1988-03-03 |
DE3202658A1 (de) | 1983-08-04 |
EP0085344A2 (de) | 1983-08-10 |
CA1195824A (en) | 1985-10-29 |
EP0085344B1 (de) | 1986-03-05 |
FI68388B (fi) | 1985-05-31 |
DE3362369D1 (en) | 1986-04-10 |
BR8300409A (pt) | 1983-11-01 |
MX157091A (es) | 1988-10-27 |
ES8308805A1 (es) | 1983-10-16 |
FI68388C (fi) | 1985-09-10 |
ATE18382T1 (de) | 1986-03-15 |
IL67583A0 (en) | 1983-05-15 |
IL67583A (en) | 1986-04-29 |
TR21442A (tr) | 1984-06-04 |
FI830270L (fi) | 1983-07-29 |
ES518898A0 (es) | 1983-10-16 |
EP0085344A3 (en) | 1984-04-04 |
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