CH488624A - Procédé de valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels - Google Patents
Procédé de valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturelsInfo
- Publication number
- CH488624A CH488624A CH866568A CH866568A CH488624A CH 488624 A CH488624 A CH 488624A CH 866568 A CH866568 A CH 866568A CH 866568 A CH866568 A CH 866568A CH 488624 A CH488624 A CH 488624A
- Authority
- CH
- Switzerland
- Prior art keywords
- upgrading
- calcium nitrate
- natural phosphates
- nitric
- attack
- Prior art date
Links
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 title 2
- 229910019142 PO4 Inorganic materials 0.000 title 1
- 235000021317 phosphate Nutrition 0.000 title 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
- C01F11/04—Oxides or hydroxides by thermal decomposition
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/24—Nitric oxide (NO)
- C01B21/26—Preparation by catalytic or non-catalytic oxidation of ammonia
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/20—Nitrogen oxides; Oxyacids of nitrogen; Salts thereof
- C01B21/38—Nitric acid
- C01B21/42—Preparation from nitrates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR109910A FR1541705A (fr) | 1967-06-12 | 1967-06-12 | Valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH488624A true CH488624A (fr) | 1970-04-15 |
Family
ID=8632765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH866568A CH488624A (fr) | 1967-06-12 | 1968-06-11 | Procédé de valorisation du nitrate de calcium provenant de l'attaque nitrique des phosphates naturels |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT278871B (en:Method) |
| BE (1) | BE716416A (en:Method) |
| CH (1) | CH488624A (en:Method) |
| ES (1) | ES355330A1 (en:Method) |
| FR (1) | FR1541705A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53119296A (en) * | 1977-03-28 | 1978-10-18 | Mizusawa Industrial Chem | Method of recovering nitric acid from nitrates |
-
1967
- 1967-06-12 FR FR109910A patent/FR1541705A/fr not_active Expired
-
1968
- 1968-06-11 CH CH866568A patent/CH488624A/fr not_active IP Right Cessation
- 1968-06-11 BE BE716416D patent/BE716416A/xx unknown
- 1968-06-11 AT AT557168A patent/AT278871B/de not_active IP Right Cessation
- 1968-06-12 ES ES355330A patent/ES355330A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1541705A (fr) | 1968-10-11 |
| BE716416A (en:Method) | 1968-11-04 |
| ES355330A1 (es) | 1969-11-16 |
| AT278871B (de) | 1970-02-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |