ES348987A1 - Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico. - Google Patents
Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico.Info
- Publication number
- ES348987A1 ES348987A1 ES348987A ES348987A ES348987A1 ES 348987 A1 ES348987 A1 ES 348987A1 ES 348987 A ES348987 A ES 348987A ES 348987 A ES348987 A ES 348987A ES 348987 A1 ES348987 A1 ES 348987A1
- Authority
- ES
- Spain
- 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
- 238000002425 crystallisation Methods 0.000 abstract 3
- 230000008025 crystallization Effects 0.000 abstract 3
- 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
- 239000012809 cooling fluid Substances 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 |
|---|---|
| ES348987A1 true ES348987A1 (es) | 1969-06-16 |
Family
ID=26174485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES348987A Expired ES348987A1 (es) | 1967-01-06 | 1968-01-05 | Procedimiento continuo de ataque nitrico de los fosfatos con cristalizacion y separacion del nitrato calcico. |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5214239B1 (en)van) |
| BE (1) | BE708667A (en)van) |
| ES (1) | ES348987A1 (en)van) |
| FR (2) | FR1525081A (en)van) |
| GB (1) | GB1149310A (en)van) |
| NL (1) | NL6800255A (en)van) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8300816A (nl) * | 1983-03-07 | 1984-10-01 | Unie Van Kunstmestfab Bv | Werkwijze voor het door kristalliseren afscheiden van calciumnitraattetrahydraat. |
| JPS61109095U (en)van) * | 1984-12-22 | 1986-07-10 | ||
| JPS642390U (en)van) * | 1987-06-24 | 1989-01-09 | ||
| EP3434647B1 (en) | 2017-07-25 | 2021-09-08 | Borealis Agrolinz Melamine GmbH | A process for obtaining calcium nitrate crystals |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| BE708667A (en)van) | 1968-05-02 |
| FR1525081A (fr) | 1968-05-17 |
| FR93675E (fr) | 1969-05-02 |
| GB1149310A (en) | 1969-04-23 |
| JPS5214239B1 (en)van) | 1977-04-20 |
| NL6800255A (en)van) | 1968-07-08 |
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