FR1459008A - Procédé de récupération d'acide fluosilicique dans des mélanges gazeux - Google Patents
Procédé de récupération d'acide fluosilicique dans des mélanges gazeuxInfo
- Publication number
- FR1459008A FR1459008A FR26942A FR26942A FR1459008A FR 1459008 A FR1459008 A FR 1459008A FR 26942 A FR26942 A FR 26942A FR 26942 A FR26942 A FR 26942A FR 1459008 A FR1459008 A FR 1459008A
- Authority
- FR
- France
- Prior art keywords
- recovery
- gas mixtures
- fluosilicic acid
- fluosilicic
- acid
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B1/00—Superphosphates, i.e. fertilisers produced by reacting rock or bone phosphates with sulfuric or phosphoric acid in such amounts and concentrations as to yield solid products directly
- C05B1/04—Double-superphosphate; Triple-superphosphate; Other fertilisers based essentially on monocalcium phosphate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/68—Halogens or halogen compounds
-
- 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
- C01B25/12—Oxides of phosphorus
-
- 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
-
- 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
- C01B25/2343—Concentration concomitant with purification, e.g. elimination of fluorine
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/08—Compounds containing halogen
- C01B33/10—Compounds containing silicon, fluorine, and other elements
- C01B33/103—Fluosilicic acid; Salts thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA908588 | 1964-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1459008A true FR1459008A (fr) | 1966-04-29 |
Family
ID=4142052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR26942A Expired FR1459008A (fr) | 1964-08-03 | 1965-08-02 | Procédé de récupération d'acide fluosilicique dans des mélanges gazeux |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE667753A (fr) |
| ES (1) | ES316021A1 (fr) |
| FR (1) | FR1459008A (fr) |
| IT (1) | IT723814A (fr) |
| NL (1) | NL6509983A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130917A1 (fr) * | 1983-07-05 | 1985-01-09 | Rhone-Poulenc Chimie | Procédé de fabrication d'acide phosphorique |
-
0
- IT IT723814D patent/IT723814A/it unknown
-
1965
- 1965-07-31 ES ES0316021A patent/ES316021A1/es not_active Expired
- 1965-08-02 NL NL6509983A patent/NL6509983A/xx unknown
- 1965-08-02 FR FR26942A patent/FR1459008A/fr not_active Expired
- 1965-08-02 BE BE667753D patent/BE667753A/xx unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0130917A1 (fr) * | 1983-07-05 | 1985-01-09 | Rhone-Poulenc Chimie | Procédé de fabrication d'acide phosphorique |
| US4557915A (en) * | 1983-07-05 | 1985-12-10 | Rhone-Poulenc Chimie De Base | Production of phosphoric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6509983A (fr) | 1966-02-04 |
| BE667753A (fr) | 1965-12-01 |
| IT723814A (fr) | |
| ES316021A1 (es) | 1966-03-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH417564A (fr) | Procédé de purification de l'acide téréphtalique | |
| FR1466681A (fr) | Procédé de purification de l'acide malique | |
| FR1435877A (fr) | Procédé de purification d'acide phosphorique | |
| FR1464175A (fr) | Procédé de purification de l'acide téréphtalique | |
| FR1427531A (fr) | Procédé de purification d'acide phosphorique | |
| FR1457319A (fr) | Procédé de purification de l'acide 7-aminocéphalosporanique | |
| FR1459008A (fr) | Procédé de récupération d'acide fluosilicique dans des mélanges gazeux | |
| FR95292E (fr) | Procédé de purification de l'acide téréphtalique. | |
| FR1352951A (fr) | Procédé de concentration d'acide phosphorique | |
| FR87306E (fr) | Procédé d'obtention d'acide sorbique | |
| FR1396077A (fr) | Procédé de purification d'acide phosphorique | |
| FR1461936A (fr) | Procédé de purification de l'acroléine impure | |
| FR1387492A (fr) | Procédé de purification d'acide phosphorique | |
| FR1399514A (fr) | Procédé de purification de l'acide nitrique | |
| FR1316227A (fr) | Procédé de purification de l'acide fluorhydrique industriel | |
| FR1425861A (fr) | Procédé d'élimination d'impuretés nuisibles dans les organo-chloro-silanes | |
| FR1395310A (fr) | Procédé de concentration de l'acide nitrique | |
| FR1399421A (fr) | Procédé de concentration et de purification d'acide phosphorique | |
| FR1497466A (fr) | Procédé de sublimation de l'acide téréphtalique impur | |
| FR1439621A (fr) | Procédé de purification de l'acide para-hydroxyméthylbenzoïque | |
| FR1325924A (fr) | Procédé d'épuration des vapeurs d'acide fluorhydrique | |
| CH407083A (fr) | Procédé de purification de l'acide adipique | |
| CH388923A (fr) | Procédé de purification de l'acide téréphtalique | |
| FR1393568A (fr) | Procédé de purification de l'acide 1-12-dodécanedioïque et produits en résultant | |
| FR1437138A (fr) | Procédé pour fabriquer de l'acide sulfurique chimiquement pur |