BE847933A - Procede continu de fabrication d'acide phosphorique de voie humide, - Google Patents
Procede continu de fabrication d'acide phosphorique de voie humide,Info
- Publication number
- BE847933A BE847933A BE172037A BE172037A BE847933A BE 847933 A BE847933 A BE 847933A BE 172037 A BE172037 A BE 172037A BE 172037 A BE172037 A BE 172037A BE 847933 A BE847933 A BE 847933A
- Authority
- BE
- Belgium
- Prior art keywords
- wet
- manufacturing
- phosphoric acid
- continuous process
- continuous
- 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
- C01B25/22—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)
- Gas Separation By Absorption (AREA)
- Physical Or Chemical Processes And Apparatus (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 |
|---|---|
| BE847933A true BE847933A (fr) | 1977-05-03 |
Family
ID=9161995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE172037A BE847933A (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 (fr) |
| JP (1) | JPS5274596A (fr) |
| AR (1) | AR211279A1 (fr) |
| AU (1) | AU499745B2 (fr) |
| BE (1) | BE847933A (fr) |
| BR (1) | BR7607347A (fr) |
| CA (1) | CA1076773A (fr) |
| DE (1) | DE2649086B2 (fr) |
| EG (1) | EG13009A (fr) |
| ES (1) | ES452939A1 (fr) |
| FI (1) | FI763145A (fr) |
| FR (1) | FR2330643A1 (fr) |
| GB (1) | GB1542979A (fr) |
| GR (1) | GR60856B (fr) |
| IL (1) | IL50810A (fr) |
| IN (1) | IN143521B (fr) |
| IT (1) | IT1066690B (fr) |
| NL (1) | NL184676C (fr) |
| NZ (1) | NZ182507A (fr) |
| PH (1) | PH13584A (fr) |
| PT (1) | PT65788B (fr) |
| ZA (1) | ZA766597B (fr) |
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 |
| 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 |
| US3720757A (en) * | 1970-08-03 | 1973-03-13 | 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 EG EG674/76A patent/EG13009A/xx active
- 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
- 1976-11-03 GB GB45774/76A patent/GB1542979A/en not_active Expired
- 1976-11-03 AU AU19265/76A patent/AU499745B2/en not_active Expired
- 1976-11-03 NL NLAANVRAGE7612181,A patent/NL184676C/xx not_active IP Right Cessation
- 1976-11-03 AR AR265328A patent/AR211279A1/es active
- 1976-11-03 IT IT52008/76A patent/IT1066690B/it active
- 1976-11-03 ZA ZA766597A patent/ZA766597B/xx unknown
- 1976-11-03 BE BE172037A patent/BE847933A/fr not_active IP Right Cessation
- 1976-11-03 IN IN1996/CAL/1976A patent/IN143521B/en unknown
- 1976-11-03 NZ NZ182507A patent/NZ182507A/xx unknown
- 1976-11-03 FI FI763145A patent/FI763145A/fi not_active Application Discontinuation
- 1976-11-03 BR BR7607347A patent/BR7607347A/pt unknown
- 1976-11-03 ES ES452939A patent/ES452939A1/es not_active Expired
- 1976-11-03 PT PT65788A patent/PT65788B/fr unknown
- 1976-11-03 CA CA264,943A patent/CA1076773A/fr not_active Expired
- 1976-11-04 JP JP51132718A patent/JPS5274596A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU1926576A (en) | 1978-05-11 |
| JPS5731521B2 (fr) | 1982-07-05 |
| NL7612181A (nl) | 1977-05-06 |
| ZA766597B (en) | 1977-09-28 |
| ES452939A1 (es) | 1977-11-16 |
| AU499745B2 (en) | 1979-05-03 |
| FI763145A (fr) | 1977-05-05 |
| IT1066690B (it) | 1985-03-12 |
| AR211279A1 (es) | 1977-11-15 |
| DE2649086B2 (de) | 1979-10-31 |
| GB1542979A (en) | 1979-03-28 |
| US4075305A (en) | 1978-02-21 |
| PT65788B (fr) | 1978-05-12 |
| EG13009A (en) | 1980-03-31 |
| JPS5274596A (en) | 1977-06-22 |
| PH13584A (en) | 1980-07-16 |
| IL50810A0 (en) | 1977-01-31 |
| FR2330643B1 (fr) | 1979-05-04 |
| CA1076773A (fr) | 1980-05-06 |
| DE2649086A1 (de) | 1977-05-12 |
| FR2330643A1 (fr) | 1977-06-03 |
| PT65788A (fr) | 1976-12-01 |
| BR7607347A (pt) | 1977-09-20 |
| IL50810A (en) | 1980-09-16 |
| IN143521B (fr) | 1977-12-17 |
| GR60856B (en) | 1978-08-31 |
| NZ182507A (en) | 1978-04-03 |
| NL184676C (nl) | 1989-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CH | Change of patent owner | ||
| RE | Patent lapsed |
Owner name: RHONE-POULENC CHIMIE Effective date: 19931130 |