FR2468548A1 - Perfectionnements au procede de preparation d'acide phosphorique de voie humide - Google Patents
Perfectionnements au procede de preparation d'acide phosphorique de voie humide Download PDFInfo
- Publication number
- FR2468548A1 FR2468548A1 FR7926993A FR7926993A FR2468548A1 FR 2468548 A1 FR2468548 A1 FR 2468548A1 FR 7926993 A FR7926993 A FR 7926993A FR 7926993 A FR7926993 A FR 7926993A FR 2468548 A1 FR2468548 A1 FR 2468548A1
- Authority
- FR
- France
- Prior art keywords
- phosphate
- attack
- process according
- slurry
- primary
- 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.)
- Granted
Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 43
- 230000008569 process Effects 0.000 title claims description 28
- 238000002360 preparation method Methods 0.000 title claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 33
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 25
- 239000010452 phosphate Substances 0.000 claims abstract description 25
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 239000012429 reaction media Substances 0.000 claims abstract description 14
- 239000001506 calcium phosphate Substances 0.000 claims abstract description 8
- 235000011010 calcium phosphates Nutrition 0.000 claims abstract description 8
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims abstract description 8
- 229910000389 calcium phosphate Inorganic materials 0.000 claims abstract description 7
- 235000021317 phosphate Nutrition 0.000 claims description 32
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 8
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 8
- 235000021395 porridge Nutrition 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000001175 calcium sulphate Substances 0.000 claims description 4
- 235000011132 calcium sulphate Nutrition 0.000 claims description 4
- 230000002349 favourable effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000376 reactant Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 15
- 239000002253 acid Substances 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 238000002425 crystallisation Methods 0.000 description 6
- 230000008025 crystallization Effects 0.000 description 6
- 239000010440 gypsum Substances 0.000 description 4
- 229910052602 gypsum Inorganic materials 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 150000004683 dihydrates Chemical group 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 238000012549 training Methods 0.000 description 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
- C01B25/18—Phosphoric acid
- C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
- C01B25/225—Dihydrate process
-
- 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
- C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
- C01B25/223—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen only one form of calcium sulfate being formed
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7926993A FR2468548A1 (fr) | 1979-10-31 | 1979-10-31 | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
| MX10188480U MX7083E (es) | 1979-10-31 | 1980-10-14 | Metodo mejorado para preparar acido fosforico por via humeda |
| US06/199,645 US4350671A (en) | 1979-10-31 | 1980-10-22 | Method of preparing phosphoric acid by a wet process |
| IL61357A IL61357A (en) | 1979-10-31 | 1980-10-28 | Wet process preparation of phosphoric acid |
| OA57244A OA06646A (fr) | 1979-10-31 | 1980-10-29 | Perfectionnements au procédé de préparation d'acide phosphorique de voie humide. |
| GR63236A GR70223B (OSRAM) | 1979-10-31 | 1980-10-29 | |
| YU2761/80A YU43124B (en) | 1979-10-31 | 1980-10-29 | Improved process for obtaining phosphoric acid by a wet method |
| AU63849/80A AU534318B2 (en) | 1979-10-31 | 1980-10-30 | Preparing phosphoric acid by wet process |
| CA000363581A CA1140315A (fr) | 1979-10-31 | 1980-10-30 | Procede de preparation d'acide phosphorique de voie humide |
| ZA00806676A ZA806676B (en) | 1979-10-31 | 1980-10-30 | Improvements relating to the method of preparing phosphoric acid by a wet process |
| SU802999191A SU1149870A3 (ru) | 1979-10-31 | 1980-10-30 | Способ получени фосфорной кислоты |
| BR8007000A BR8007000A (pt) | 1979-10-31 | 1980-10-30 | Processo de preparacao de acido fosforico de via umida |
| BE0/202657A BE885953A (fr) | 1979-10-31 | 1980-10-30 | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
| MA19185A MA18985A1 (fr) | 1979-10-31 | 1980-10-31 | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7926993A FR2468548A1 (fr) | 1979-10-31 | 1979-10-31 | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2468548A1 true FR2468548A1 (fr) | 1981-05-08 |
| FR2468548B1 FR2468548B1 (OSRAM) | 1983-08-05 |
Family
ID=9231225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7926993A Granted FR2468548A1 (fr) | 1979-10-31 | 1979-10-31 | Perfectionnements au procede de preparation d'acide phosphorique de voie humide |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4350671A (OSRAM) |
| AU (1) | AU534318B2 (OSRAM) |
| BE (1) | BE885953A (OSRAM) |
| BR (1) | BR8007000A (OSRAM) |
| CA (1) | CA1140315A (OSRAM) |
| FR (1) | FR2468548A1 (OSRAM) |
| GR (1) | GR70223B (OSRAM) |
| IL (1) | IL61357A (OSRAM) |
| MA (1) | MA18985A1 (OSRAM) |
| OA (1) | OA06646A (OSRAM) |
| SU (1) | SU1149870A3 (OSRAM) |
| YU (1) | YU43124B (OSRAM) |
| ZA (1) | ZA806676B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2873119A1 (fr) * | 2004-07-13 | 2006-01-20 | Vichem Soc Par Actions Simplif | Procede perfectionne de fabrication d'acide phosphorique |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR814064A (fr) * | 1935-10-28 | 1937-06-14 | Kemiska Patenter Ab | Procédé pour préparer l'acide phosphorique |
| US2233956A (en) * | 1938-12-01 | 1941-03-04 | U S Phosphoric Products Corp | Process for the manufacture of phosphoric acid |
| US2890936A (en) * | 1956-02-01 | 1959-06-16 | Curt S Benefield | Method for producing phosphoric acid |
| FR1212825A (fr) * | 1958-08-25 | 1960-03-25 | Ets Kuhlmann | Procédé continu de fabrication d'acide phosphorique et appareillage pour sa mise en oeuvre |
| FR2130847A5 (en) * | 1971-03-23 | 1972-11-10 | Pechiney Saint Gobain | Wet process phosphoric acid prodn - high phosphorus pentoxide concn |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE538799A (OSRAM) * | 1955-06-07 | 1955-06-30 | Union Chimique Belge Sa | |
| GB1135951A (en) * | 1965-02-12 | 1968-12-11 | Fisons Ltd | Phosphoric acid |
| US3755539A (en) * | 1970-01-02 | 1973-08-28 | Pechiney Saint Gobain | Process for the manufacture of phosphoric acid in the wet way |
| US4029743A (en) * | 1975-12-24 | 1977-06-14 | Hauge Douglas O | Phosphoric acid manufacture |
-
1979
- 1979-10-31 FR FR7926993A patent/FR2468548A1/fr active Granted
-
1980
- 1980-10-22 US US06/199,645 patent/US4350671A/en not_active Expired - Lifetime
- 1980-10-28 IL IL61357A patent/IL61357A/xx not_active IP Right Cessation
- 1980-10-29 GR GR63236A patent/GR70223B/el unknown
- 1980-10-29 YU YU2761/80A patent/YU43124B/xx unknown
- 1980-10-29 OA OA57244A patent/OA06646A/xx unknown
- 1980-10-30 ZA ZA00806676A patent/ZA806676B/xx unknown
- 1980-10-30 AU AU63849/80A patent/AU534318B2/en not_active Ceased
- 1980-10-30 BR BR8007000A patent/BR8007000A/pt not_active IP Right Cessation
- 1980-10-30 BE BE0/202657A patent/BE885953A/fr not_active IP Right Cessation
- 1980-10-30 SU SU802999191A patent/SU1149870A3/ru active
- 1980-10-30 CA CA000363581A patent/CA1140315A/fr not_active Expired
- 1980-10-31 MA MA19185A patent/MA18985A1/fr unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR814064A (fr) * | 1935-10-28 | 1937-06-14 | Kemiska Patenter Ab | Procédé pour préparer l'acide phosphorique |
| US2233956A (en) * | 1938-12-01 | 1941-03-04 | U S Phosphoric Products Corp | Process for the manufacture of phosphoric acid |
| US2890936A (en) * | 1956-02-01 | 1959-06-16 | Curt S Benefield | Method for producing phosphoric acid |
| FR1212825A (fr) * | 1958-08-25 | 1960-03-25 | Ets Kuhlmann | Procédé continu de fabrication d'acide phosphorique et appareillage pour sa mise en oeuvre |
| FR2130847A5 (en) * | 1971-03-23 | 1972-11-10 | Pechiney Saint Gobain | Wet process phosphoric acid prodn - high phosphorus pentoxide concn |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2873119A1 (fr) * | 2004-07-13 | 2006-01-20 | Vichem Soc Par Actions Simplif | Procede perfectionne de fabrication d'acide phosphorique |
| WO2006016079A3 (fr) * | 2004-07-13 | 2006-08-10 | Vichem | Procede perfectionne de fabrication d'acide phosphorique |
Also Published As
| Publication number | Publication date |
|---|---|
| AU534318B2 (en) | 1984-01-19 |
| OA06646A (fr) | 1981-08-31 |
| US4350671A (en) | 1982-09-21 |
| BR8007000A (pt) | 1981-05-05 |
| CA1140315A (fr) | 1983-02-01 |
| SU1149870A3 (ru) | 1985-04-07 |
| IL61357A (en) | 1984-03-30 |
| AU6384980A (en) | 1981-05-07 |
| YU43124B (en) | 1989-04-30 |
| MA18985A1 (fr) | 1981-07-01 |
| GR70223B (OSRAM) | 1982-08-31 |
| FR2468548B1 (OSRAM) | 1983-08-05 |
| ZA806676B (en) | 1981-11-25 |
| YU276180A (en) | 1983-02-28 |
| BE885953A (fr) | 1981-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CL | Concession to grant licences | ||
| ST | Notification of lapse |