RO89118A - Procedeu de cristalizare a azotatului de calciu tetrahidrat - Google Patents
Procedeu de cristalizare a azotatului de calciu tetrahidratInfo
- Publication number
- RO89118A RO89118A RO84113817A RO11381784A RO89118A RO 89118 A RO89118 A RO 89118A RO 84113817 A RO84113817 A RO 84113817A RO 11381784 A RO11381784 A RO 11381784A RO 89118 A RO89118 A RO 89118A
- Authority
- RO
- Romania
- Prior art keywords
- sub
- liquor
- crystallization process
- cooled
- tetrahydrated
- Prior art date
Links
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
- C01F11/36—Nitrates
- C01F11/44—Concentrating; Crystallisating; Dehydrating; Preventing the absorption of moisture or caking
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
- Saccharide Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Cephalosporin Compounds (AREA)
- Removal Of Specific Substances (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8300816A NL8300816A (nl) | 1983-03-07 | 1983-03-07 | Werkwijze voor het door kristalliseren afscheiden van calciumnitraattetrahydraat. |
Publications (1)
Publication Number | Publication Date |
---|---|
RO89118A true RO89118A (ro) | 1986-04-30 |
Family
ID=19841508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO84113817A RO89118A (ro) | 1983-03-07 | 1984-03-03 | Procedeu de cristalizare a azotatului de calciu tetrahidrat |
Country Status (18)
Country | Link |
---|---|
US (1) | US4569677A (ro) |
EP (1) | EP0122646B1 (ro) |
JP (1) | JPS59174524A (ro) |
AT (1) | ATE36305T1 (ro) |
BR (1) | BR8400977A (ro) |
CA (1) | CA1244627A (ro) |
DE (1) | DE3473264D1 (ro) |
EG (1) | EG16429A (ro) |
ES (1) | ES8500868A1 (ro) |
GR (1) | GR82642B (ro) |
HU (1) | HUT34362A (ro) |
IN (1) | IN159653B (ro) |
NL (1) | NL8300816A (ro) |
NO (1) | NO840855L (ro) |
OA (1) | OA07675A (ro) |
RO (1) | RO89118A (ro) |
YU (1) | YU40584A (ro) |
ZA (1) | ZA841678B (ro) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UA80163C2 (en) * | 2002-11-01 | 2007-08-27 | Jara Internat Asa | Process for obtaining of nitrate containing products from undercooled melts |
PL200842B1 (pl) * | 2004-09-16 | 2009-02-27 | Adam Nawrocki | Sposób wytwarzania nawozu zawierającego azotan wapnia |
CN102584386A (zh) * | 2012-01-16 | 2012-07-18 | 瓮福(集团)有限责任公司 | 真空低温浓缩结晶除钙的硝酸磷肥生产方法与装置 |
CN102701258B (zh) * | 2012-05-21 | 2014-04-30 | 贵州红星发展股份有限公司 | 一种硝酸锶的抗结块方法 |
EP3434647B1 (en) | 2017-07-25 | 2021-09-08 | Borealis Agrolinz Melamine GmbH | A process for obtaining calcium nitrate crystals |
EP3495323B1 (en) * | 2017-12-07 | 2020-09-09 | Borealis Agrolinz Melamine GmbH | A process for obtaining a soluble phosphate fraction from phosphate containing ash |
CN116395730A (zh) * | 2023-03-22 | 2023-07-07 | 承德莹科精细化工股份有限公司 | 高纯度碳酸钙和四水硝酸钙的制备方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1976283A (en) * | 1929-10-28 | 1934-10-09 | Firm Odda Smelteverk As | Method of treating solutions of phosphate rock in nitric acid |
NL63969C (nl) * | 1947-02-28 | 1949-08-15 | Directie Staatsmijnen Nl | Werkwijze en inrichting voor het bereiden van een meer enkelvoudige oplossing uit een samengestelde oplossing door het laten kristaliseen van (een) component(en) van de gewenste oplossing en het weer oplossen daarvan |
US2813777A (en) * | 1953-11-05 | 1957-11-19 | Norsk Hydro Elektrisk | Process for the crystallization of nitrate from a nitric acid solution of crude phosphate |
BE533101A (ro) * | 1953-11-05 | |||
FR1525081A (fr) * | 1967-01-06 | 1968-05-17 | Houilleres Bassin Du Nord | Procédé d'attaque nitrique des phosphates avec cristallisation et séparation de nitrate de calcium |
US4008309A (en) * | 1970-01-07 | 1977-02-15 | Institutul De Cercetari Chimice - Icechim | Process for crystallizing calcium nitrate |
-
1983
- 1983-03-07 NL NL8300816A patent/NL8300816A/nl not_active Application Discontinuation
-
1984
- 1984-02-22 IN IN122/MAS/84A patent/IN159653B/en unknown
- 1984-02-23 US US06/583,039 patent/US4569677A/en not_active Expired - Fee Related
- 1984-03-01 BR BR8400977A patent/BR8400977A/pt unknown
- 1984-03-03 RO RO84113817A patent/RO89118A/ro unknown
- 1984-03-05 AT AT84200310T patent/ATE36305T1/de not_active IP Right Cessation
- 1984-03-05 DE DE8484200310T patent/DE3473264D1/de not_active Expired
- 1984-03-05 EP EP84200310A patent/EP0122646B1/en not_active Expired
- 1984-03-05 CA CA000448878A patent/CA1244627A/en not_active Expired
- 1984-03-05 JP JP59040604A patent/JPS59174524A/ja active Pending
- 1984-03-06 ES ES530319A patent/ES8500868A1/es not_active Expired
- 1984-03-06 EG EG153/84A patent/EG16429A/xx active
- 1984-03-06 NO NO840855A patent/NO840855L/no unknown
- 1984-03-06 YU YU00405/84A patent/YU40584A/xx unknown
- 1984-03-06 HU HU84890A patent/HUT34362A/hu unknown
- 1984-03-06 ZA ZA841678A patent/ZA841678B/xx unknown
- 1984-03-07 GR GR74004A patent/GR82642B/el unknown
- 1984-03-07 OA OA58248A patent/OA07675A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GR82642B (ro) | 1985-02-07 |
BR8400977A (pt) | 1984-10-09 |
NO840855L (no) | 1984-09-10 |
HUT34362A (en) | 1985-03-28 |
EP0122646A1 (en) | 1984-10-24 |
YU40584A (en) | 1986-06-30 |
NL8300816A (nl) | 1984-10-01 |
ZA841678B (en) | 1984-10-31 |
OA07675A (en) | 1985-05-23 |
ES530319A0 (es) | 1984-11-01 |
ES8500868A1 (es) | 1984-11-01 |
IN159653B (ro) | 1987-05-30 |
JPS59174524A (ja) | 1984-10-03 |
DE3473264D1 (en) | 1988-09-15 |
ATE36305T1 (de) | 1988-08-15 |
EP0122646B1 (en) | 1988-08-10 |
CA1244627A (en) | 1988-11-15 |
US4569677A (en) | 1986-02-11 |
EG16429A (en) | 1987-04-30 |
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