DE68907747D1 - Verfahren zum entfernen von eisen, chrom und vanadium aus phosphorsaeure. - Google Patents
Verfahren zum entfernen von eisen, chrom und vanadium aus phosphorsaeure.Info
- Publication number
- DE68907747D1 DE68907747D1 DE8989103768T DE68907747T DE68907747D1 DE 68907747 D1 DE68907747 D1 DE 68907747D1 DE 8989103768 T DE8989103768 T DE 8989103768T DE 68907747 T DE68907747 T DE 68907747T DE 68907747 D1 DE68907747 D1 DE 68907747D1
- Authority
- DE
- Germany
- Prior art keywords
- phosphoric acid
- chrome
- vanadium
- removing iron
- nonaqueous
- 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.)
- Expired - Fee Related
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title abstract 12
- 229910000147 aluminium phosphate Inorganic materials 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title 2
- 229910052742 iron Inorganic materials 0.000 title 1
- 229910052720 vanadium Inorganic materials 0.000 title 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 title 1
- 239000000243 solution Substances 0.000 abstract 2
- 239000003957 anion exchange resin Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
- C01B25/465—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound the extracting agent being an ester or a mixture of esters
-
- 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
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Extraction Or Liquid Replacement (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
- Physical Water Treatments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/164,289 US5006319A (en) | 1988-03-04 | 1988-03-04 | Process for removing iron, chromium and vanadium from phosphoric acid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68907747D1 true DE68907747D1 (de) | 1993-09-02 |
DE68907747T2 DE68907747T2 (de) | 1994-01-20 |
Family
ID=22593825
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE89103768T Expired - Fee Related DE68907747T2 (de) | 1988-03-04 | 1989-03-03 | Verfahren zum Entfernen von Eisen, Chrom und Vanadium aus Phosphorsäure. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5006319A (de) |
EP (1) | EP0331188B1 (de) |
AT (1) | ATE92010T1 (de) |
CA (1) | CA1330250C (de) |
DE (1) | DE68907747T2 (de) |
ES (1) | ES2041855T3 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5171548A (en) * | 1990-06-06 | 1992-12-15 | Advanced Separation Technologies Incorporated | Process for the removal of vanadium from wet process phosphoric acid |
TWI257915B (en) * | 2004-06-29 | 2006-07-11 | Yung-Hsiung Hsu | Processes for purifying phosphoric acid |
CN109650362A (zh) * | 2018-12-24 | 2019-04-19 | 川恒生态科技有限公司 | 用离心萃取机净化湿法磷酸的方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3067007A (en) * | 1960-01-27 | 1962-12-04 | Dow Chemical Co | Separation of strong polybasic acids from their salts |
US3342549A (en) * | 1960-11-10 | 1967-09-19 | Togo Soda Mfg Co Ltd | Process for refining phosphoric acid preparations |
US3367749A (en) * | 1963-02-20 | 1968-02-06 | Monsanto Co | Purifying phosphoric acid using an amine extractant |
IL25611A (en) * | 1965-05-21 | 1969-07-30 | Dow Chemical Co | Process for removing calcium from phosphoric acid |
NL6606839A (de) * | 1965-05-21 | 1966-11-22 | ||
ES336087A1 (es) * | 1966-02-01 | 1967-12-16 | Fmc Corp | Procedimiento de purificacion de acido fosforico. |
DE2035505C3 (de) * | 1970-07-17 | 1974-06-12 | Knapsack Ag, 5033 Huerth-Knapsack | Verfahren zur Herstellung reiner Alkaliphosphatlösungen |
IL49211A (en) * | 1972-10-02 | 1977-07-31 | Albright & Wilson | Process for purifying wet process phorphoric acid |
US3911087A (en) * | 1973-10-19 | 1975-10-07 | Freeport Minerals Co | Selective solvent extraction of sulfate impurities from phosphoric acid |
IL46069A (en) * | 1974-11-15 | 1978-04-30 | Negev Phosphates Ltd | Method for the removeal of iron and copper from aqueous solutions of phosphoric acid |
JPS5355495A (en) * | 1976-10-29 | 1978-05-19 | Toyo Soda Mfg Co Ltd | Purifying method for wet process phosphoric acid |
JPS5356189A (en) * | 1976-11-02 | 1978-05-22 | Toyo Soda Mfg Co Ltd | Separating method for phosphoric acid and zinc |
US4235713A (en) * | 1978-06-06 | 1980-11-25 | Redondo Abad Angel Luis | Process for the elimination of accumulated iron in organic phases of fluid-fluid extraction that contain di-2-ethyl-hexyl phosphoric acid |
JPS55116608A (en) * | 1979-02-28 | 1980-09-08 | Mitsui Toatsu Chem Inc | Removing method for cation in mixed liquor of phosphoric acid, alcohol and water with ion exchange resin |
US4551320A (en) * | 1984-10-12 | 1985-11-05 | Fmc Corporation | Treatment of concentrated phosphoric acid |
US4585636A (en) * | 1984-10-17 | 1986-04-29 | Negev Phosphates Ltd. | Process for the manufacture of purified phosphoric acid |
-
1988
- 1988-03-04 US US07/164,289 patent/US5006319A/en not_active Expired - Fee Related
-
1989
- 1989-01-17 CA CA000588422A patent/CA1330250C/en not_active Expired - Fee Related
- 1989-03-03 EP EP89103768A patent/EP0331188B1/de not_active Expired - Lifetime
- 1989-03-03 ES ES198989103768T patent/ES2041855T3/es not_active Expired - Lifetime
- 1989-03-03 AT AT89103768T patent/ATE92010T1/de not_active IP Right Cessation
- 1989-03-03 DE DE89103768T patent/DE68907747T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5006319A (en) | 1991-04-09 |
EP0331188B1 (de) | 1993-07-28 |
CA1330250C (en) | 1994-06-21 |
DE68907747T2 (de) | 1994-01-20 |
EP0331188A2 (de) | 1989-09-06 |
ATE92010T1 (de) | 1993-08-15 |
ES2041855T3 (es) | 1993-12-01 |
EP0331188A3 (de) | 1991-06-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR8305136A (pt) | Processo de recuperacao de sistemas de catalisadores hidrossoluveis | |
GR3026053T3 (en) | Recovery of citric acid from impure process streams by addition of strong acids and salts thereof. | |
ATE2947T1 (de) | Verfahren zur wiedergewinnung von in unreiner phosphorsaeure anwesendem uran. | |
ATE104925T1 (de) | Verfahren zum reinigen von flusssaeure. | |
ATE226181T1 (de) | Verfahren zur reinigung von nassverfahrensphosphorsäure | |
DE68907747D1 (de) | Verfahren zum entfernen von eisen, chrom und vanadium aus phosphorsaeure. | |
ATE118200T1 (de) | Entfernen von metallen aus wässrigen peroxysäuren oder peroxysalzen. | |
ATE110358T1 (de) | Verfahren zur herstellung von ätherkarbonsäurenreinigungsverstärkern. | |
ATE64137T1 (de) | Verfahren zum zyklischen erzeugen von wasserstoffperoxyd. | |
ATE40874T1 (de) | Verfahren zur beseitigung von ammoniak aus einem schwefeldioxid enthaltenden gas. | |
ES2025029T3 (es) | Recuperacion de valores catalizadores de cobalto. | |
ES2077996T3 (es) | Procedimiento para la purificacion y la recuperacion de acido ortofosforico por extraccion liquido-liquido. | |
ATE33014T1 (de) | Verfahren zur reinigung von nassverfahrensphosphorsaeure. | |
DE3867158D1 (de) | Verfahren zur reinigung von phosphorsaeure. | |
DE58900839D1 (de) | Verfahren und vorrichtung zum auswaschen von verunreinigungen aus rohgasen. | |
EP0299434A3 (en) | High ph recovery of neutral amino acids | |
ATE56947T1 (de) | Verfahren zur reinigung von oxalsaeurediamid. | |
ATE68475T1 (de) | Verfahren zur reinigung von oxalsaeurediamid. | |
ATE67477T1 (de) | Extraktionsverfahren zur abtrennung einer carbonsaeure aus wasserhaltiger loesung solcher saeure. | |
ATE50922T1 (de) | Verfahren und vorrichtung zur entfernung von so2 aus rauchgasen. | |
RU2077782C1 (ru) | Способ переработки отработанных ванадийкалийсодержащих катализаторов сернокислотного производства | |
CS178626B1 (en) | Method for vanadium recovery from waste catalyst from sulphuric acid production | |
ATE51222T1 (de) | Verfahren zur abtrennung von schwefelsaeure aus waesserigen loesungen, die sie zusammen mit alkansulfonsaeuren enthalten. | |
ATE138046T1 (de) | Verfahren zur entfernung von abgelagerten verunreinigungen in einem organischen strom zur erzeugung reiner phosphorsäure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |