OA07675A - Process for separating off calcium nitrate tetrahydrate by crystallization. - Google Patents
Process for separating off calcium nitrate tetrahydrate by crystallization.Info
- Publication number
- OA07675A OA07675A OA58248A OA58248A OA07675A OA 07675 A OA07675 A OA 07675A OA 58248 A OA58248 A OA 58248A OA 58248 A OA58248 A OA 58248A OA 07675 A OA07675 A OA 07675A
- Authority
- OA
- OAPI
- Prior art keywords
- sub
- crystallization
- separating
- liquor
- calcium nitrate
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Cephalosporin Compounds (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Removal Of Specific Substances (AREA)
- Paper (AREA)
- Inorganic Compounds Of Heavy Metals (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 |
---|---|
OA07675A true OA07675A (en) | 1985-05-23 |
Family
ID=19841508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA58248A OA07675A (en) | 1983-03-07 | 1984-03-07 | Process for separating off calcium nitrate tetrahydrate by crystallization. |
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) | ES530319A0 (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 |
BE533101A (ro) * | 1953-11-05 | |||
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 |
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 CA CA000448878A patent/CA1244627A/en not_active Expired
- 1984-03-05 EP EP84200310A patent/EP0122646B1/en not_active Expired
- 1984-03-05 AT AT84200310T patent/ATE36305T1/de not_active IP Right Cessation
- 1984-03-05 JP JP59040604A patent/JPS59174524A/ja active Pending
- 1984-03-05 DE DE8484200310T patent/DE3473264D1/de not_active Expired
- 1984-03-06 NO NO840855A patent/NO840855L/no unknown
- 1984-03-06 HU HU84890A patent/HUT34362A/hu unknown
- 1984-03-06 ZA ZA841678A patent/ZA841678B/xx unknown
- 1984-03-06 ES ES530319A patent/ES530319A0/es active Granted
- 1984-03-06 EG EG153/84A patent/EG16429A/xx active
- 1984-03-06 YU YU00405/84A patent/YU40584A/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 |
---|---|
ES8500868A1 (es) | 1984-11-01 |
ES530319A0 (es) | 1984-11-01 |
EG16429A (en) | 1987-04-30 |
NL8300816A (nl) | 1984-10-01 |
NO840855L (no) | 1984-09-10 |
ZA841678B (en) | 1984-10-31 |
RO89118A (ro) | 1986-04-30 |
YU40584A (en) | 1986-06-30 |
GR82642B (ro) | 1985-02-07 |
IN159653B (ro) | 1987-05-30 |
US4569677A (en) | 1986-02-11 |
EP0122646A1 (en) | 1984-10-24 |
ATE36305T1 (de) | 1988-08-15 |
BR8400977A (pt) | 1984-10-09 |
DE3473264D1 (en) | 1988-09-15 |
HUT34362A (en) | 1985-03-28 |
EP0122646B1 (en) | 1988-08-10 |
CA1244627A (en) | 1988-11-15 |
JPS59174524A (ja) | 1984-10-03 |
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