CA1076773A - Procede continu de fabrication d'acide phosphorique de voie humide - Google Patents
Procede continu de fabrication d'acide phosphorique de voie humideInfo
- Publication number
- CA1076773A CA1076773A CA264,943A CA264943A CA1076773A CA 1076773 A CA1076773 A CA 1076773A CA 264943 A CA264943 A CA 264943A CA 1076773 A CA1076773 A CA 1076773A
- Authority
- CA
- Canada
- Prior art keywords
- washing
- zone
- water
- reaction zone
- reaction
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 14
- 238000010924 continuous production Methods 0.000 title claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 27
- 235000011132 calcium sulphate Nutrition 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 239000001175 calcium sulphate Substances 0.000 claims abstract description 12
- 239000002253 acid Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 9
- 239000012429 reaction media Substances 0.000 claims abstract description 4
- 238000001704 evaporation Methods 0.000 claims abstract description 3
- 230000008020 evaporation Effects 0.000 claims abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 23
- 238000001914 filtration Methods 0.000 claims description 17
- 238000001816 cooling Methods 0.000 claims description 11
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 5
- 239000010452 phosphate Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims 3
- 229910052791 calcium Inorganic materials 0.000 claims 2
- 239000011575 calcium Substances 0.000 claims 2
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 2
- 241000272814 Anser sp. Species 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229910004014 SiF4 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910052587 fluorapatite Inorganic materials 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 210000004914 menses Anatomy 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 235000021395 porridge Nutrition 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009489 vacuum treatment Methods 0.000 description 1
- 238000009736 wetting 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7533657A FR2330643A1 (fr) | 1975-11-04 | 1975-11-04 | Procede continu de fabrication d'acide phosphorique de voie humide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1076773A true CA1076773A (fr) | 1980-05-06 |
Family
ID=9161995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA264,943A Expired CA1076773A (fr) | 1975-11-04 | 1976-11-03 | Procede continu de fabrication d'acide phosphorique de voie humide |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US4075305A (enExample) |
| JP (1) | JPS5274596A (enExample) |
| AR (1) | AR211279A1 (enExample) |
| AU (1) | AU499745B2 (enExample) |
| BE (1) | BE847933A (enExample) |
| BR (1) | BR7607347A (enExample) |
| CA (1) | CA1076773A (enExample) |
| DE (1) | DE2649086B2 (enExample) |
| EG (1) | EG13009A (enExample) |
| ES (1) | ES452939A1 (enExample) |
| FI (1) | FI763145A7 (enExample) |
| FR (1) | FR2330643A1 (enExample) |
| GB (1) | GB1542979A (enExample) |
| GR (1) | GR60856B (enExample) |
| IL (1) | IL50810A (enExample) |
| IN (1) | IN143521B (enExample) |
| IT (1) | IT1066690B (enExample) |
| NL (1) | NL184676C (enExample) |
| NZ (1) | NZ182507A (enExample) |
| PH (1) | PH13584A (enExample) |
| PT (1) | PT65788B (enExample) |
| ZA (1) | ZA766597B (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL116006B1 (en) * | 1978-05-06 | 1981-05-30 | Politechnika Wroclawska | Method of waste phosphogypsum rinsing |
| FR2465971A1 (fr) * | 1979-09-26 | 1981-03-27 | Rhone Poulenc Ind | Procede perfectionne de maintien en temperature de reacteurs |
| DE3136811A1 (de) * | 1981-09-16 | 1983-06-01 | Aleksandr Jakovlevič Abramovič | Verfahren zur herstellung von phosphorsaeure |
| DE102016212242B4 (de) | 2016-07-05 | 2019-02-07 | Technische Universität Bergakademie Freiberg | Verfahren zur Herstellung von Phosphorsäure aus phosphorhaltigen Primär- und Sekundärrohstoffen |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3498747A (en) * | 1967-07-07 | 1970-03-03 | United States Steel Corp | Recovery of p2o5 values and fluorine products from pond water |
| US3498746A (en) * | 1967-11-29 | 1970-03-03 | United States Steel Corp | Recovery of fluosilicic acid and p2o5 from recycle streams and pond water |
| US3699212A (en) * | 1968-09-19 | 1972-10-17 | Gordon F Palm | Water systems for phosphate plants |
| US3720757A (en) * | 1970-08-03 | 1973-03-13 | R Hartig | Closed pond system for wet process phosphate plants |
| US3859423A (en) * | 1970-08-03 | 1975-01-07 | Rufus G Hartig | Closed pond system for wet process phosphate plants |
| US3793436A (en) * | 1970-08-03 | 1974-02-19 | R Hartig | Closed pond system for wet process phosphate plants |
| US3795728A (en) * | 1971-03-02 | 1974-03-05 | Knauf Westdeutsche Gips | Process for manufacturing phosphoric acid and substantially alkalisilico-fluoride-free gypsum |
-
1975
- 1975-11-04 FR FR7533657A patent/FR2330643A1/fr active Granted
-
1976
- 1976-10-28 DE DE2649086A patent/DE2649086B2/de not_active Withdrawn
- 1976-10-29 PH PH19064A patent/PH13584A/en unknown
- 1976-11-02 GR GR52073A patent/GR60856B/el unknown
- 1976-11-02 US US05/738,141 patent/US4075305A/en not_active Expired - Lifetime
- 1976-11-02 IL IL50810A patent/IL50810A/xx unknown
- 1976-11-02 EG EG674/76A patent/EG13009A/xx active
- 1976-11-03 BE BE172037A patent/BE847933A/xx not_active IP Right Cessation
- 1976-11-03 FI FI763145A patent/FI763145A7/fi not_active Application Discontinuation
- 1976-11-03 ES ES452939A patent/ES452939A1/es not_active Expired
- 1976-11-03 IT IT52008/76A patent/IT1066690B/it active
- 1976-11-03 IN IN1996/CAL/1976A patent/IN143521B/en unknown
- 1976-11-03 AU AU19265/76A patent/AU499745B2/en not_active Expired
- 1976-11-03 PT PT65788A patent/PT65788B/pt unknown
- 1976-11-03 GB GB45774/76A patent/GB1542979A/en not_active Expired
- 1976-11-03 CA CA264,943A patent/CA1076773A/fr not_active Expired
- 1976-11-03 BR BR7607347A patent/BR7607347A/pt unknown
- 1976-11-03 AR AR265328A patent/AR211279A1/es active
- 1976-11-03 NL NLAANVRAGE7612181,A patent/NL184676C/xx not_active IP Right Cessation
- 1976-11-03 ZA ZA766597A patent/ZA766597B/xx unknown
- 1976-11-03 NZ NZ182507A patent/NZ182507A/xx unknown
- 1976-11-04 JP JP51132718A patent/JPS5274596A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL184676C (nl) | 1989-10-02 |
| BR7607347A (pt) | 1977-09-20 |
| EG13009A (en) | 1980-03-31 |
| AR211279A1 (es) | 1977-11-15 |
| JPS5274596A (en) | 1977-06-22 |
| DE2649086B2 (de) | 1979-10-31 |
| GB1542979A (en) | 1979-03-28 |
| NZ182507A (en) | 1978-04-03 |
| PT65788A (fr) | 1976-12-01 |
| IN143521B (enExample) | 1977-12-17 |
| AU1926576A (en) | 1978-05-11 |
| NL7612181A (nl) | 1977-05-06 |
| IL50810A0 (en) | 1977-01-31 |
| IT1066690B (it) | 1985-03-12 |
| FR2330643A1 (fr) | 1977-06-03 |
| DE2649086A1 (de) | 1977-05-12 |
| ES452939A1 (es) | 1977-11-16 |
| AU499745B2 (en) | 1979-05-03 |
| JPS5731521B2 (enExample) | 1982-07-05 |
| IL50810A (en) | 1980-09-16 |
| FI763145A7 (enExample) | 1977-05-05 |
| GR60856B (en) | 1978-08-31 |
| FR2330643B1 (enExample) | 1979-05-04 |
| PT65788B (fr) | 1978-05-12 |
| US4075305A (en) | 1978-02-21 |
| ZA766597B (en) | 1977-09-28 |
| BE847933A (fr) | 1977-05-03 |
| PH13584A (en) | 1980-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |