GB1149310A - Nitric acid digestion of phosphates - Google Patents
Nitric acid digestion of phosphatesInfo
- Publication number
- GB1149310A GB1149310A GB5918567A GB5918567A GB1149310A GB 1149310 A GB1149310 A GB 1149310A GB 5918567 A GB5918567 A GB 5918567A GB 5918567 A GB5918567 A GB 5918567A GB 1149310 A GB1149310 A GB 1149310A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crystals
- tank
- mother liquor
- passed
- decanter
- 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
- 229910019142 PO4 Inorganic materials 0.000 title abstract 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 title 1
- 238000000184 acid digestion Methods 0.000 title 1
- 229910017604 nitric acid Inorganic materials 0.000 title 1
- 235000021317 phosphate Nutrition 0.000 title 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 title 1
- 239000013078 crystal Substances 0.000 abstract 10
- 239000012452 mother liquor Substances 0.000 abstract 4
- 239000011575 calcium Substances 0.000 abstract 3
- 238000002425 crystallisation Methods 0.000 abstract 3
- 230000008025 crystallization Effects 0.000 abstract 3
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 abstract 2
- 239000010452 phosphate Substances 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 239000004254 Ammonium phosphate Substances 0.000 abstract 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 abstract 1
- 235000019289 ammonium phosphates Nutrition 0.000 abstract 1
- 239000012809 cooling fluid Substances 0.000 abstract 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000035784 germination Effects 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B11/00—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes
- C05B11/04—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid
- C05B11/06—Fertilisers produced by wet-treating or leaching raw materials either with acids in such amounts and concentrations as to yield solutions followed by neutralisation, or with alkaline lyes using mineral acid using nitric acid (nitrophosphates)
-
- 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
- C01F11/36—Nitrates
- C01F11/44—Concentrating; Crystallisating; Dehydrating; Preventing the absorption of moisture or caking
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR90229A FR1525081A (fr) | 1967-01-06 | 1967-01-06 | Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium |
| FR131876A FR93675E (fr) | 1967-01-06 | 1967-12-12 | Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1149310A true GB1149310A (en) | 1969-04-23 |
Family
ID=26174485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5918567A Expired GB1149310A (en) | 1967-01-06 | 1967-12-29 | Nitric acid digestion of phosphates |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5214239B1 (enrdf_load_stackoverflow) |
| BE (1) | BE708667A (enrdf_load_stackoverflow) |
| ES (1) | ES348987A1 (enrdf_load_stackoverflow) |
| FR (2) | FR1525081A (enrdf_load_stackoverflow) |
| GB (1) | GB1149310A (enrdf_load_stackoverflow) |
| NL (1) | NL6800255A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0122646A1 (en) * | 1983-03-07 | 1984-10-24 | Stamicarbon B.V. | Process for separating off calcium nitrate tetrahydrate by crystallization |
| EP3434647A1 (en) | 2017-07-25 | 2019-01-30 | Borealis Agrolinz Melamine GmbH | A process for obtaining calcium nitrate crystals |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61109095U (enrdf_load_stackoverflow) * | 1984-12-22 | 1986-07-10 | ||
| JPS642390U (enrdf_load_stackoverflow) * | 1987-06-24 | 1989-01-09 |
-
1967
- 1967-01-06 FR FR90229A patent/FR1525081A/fr not_active Expired
- 1967-12-12 FR FR131876A patent/FR93675E/fr not_active Expired
- 1967-12-28 BE BE708667D patent/BE708667A/xx not_active IP Right Cessation
- 1967-12-29 GB GB5918567A patent/GB1149310A/en not_active Expired
-
1968
- 1968-01-05 ES ES348987A patent/ES348987A1/es not_active Expired
- 1968-01-06 JP JP55768A patent/JPS5214239B1/ja active Pending
- 1968-01-08 NL NL6800255A patent/NL6800255A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0122646A1 (en) * | 1983-03-07 | 1984-10-24 | Stamicarbon B.V. | Process for separating off calcium nitrate tetrahydrate by crystallization |
| US4569677A (en) * | 1983-03-07 | 1986-02-11 | Unie Van Kunstmestfabrieken B.V. | Process for separating off calcium nitrate tetrahydrate by crystallization |
| EP3434647A1 (en) | 2017-07-25 | 2019-01-30 | Borealis Agrolinz Melamine GmbH | A process for obtaining calcium nitrate crystals |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5214239B1 (enrdf_load_stackoverflow) | 1977-04-20 |
| NL6800255A (enrdf_load_stackoverflow) | 1968-07-08 |
| FR1525081A (fr) | 1968-05-17 |
| FR93675E (fr) | 1969-05-02 |
| ES348987A1 (es) | 1969-06-16 |
| BE708667A (enrdf_load_stackoverflow) | 1968-05-02 |
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