YU40584A - Process for recovering calcium tetrahydrate using crystallisation - Google Patents
Process for recovering calcium tetrahydrate using crystallisationInfo
- Publication number
- YU40584A YU40584A YU00405/84A YU40584A YU40584A YU 40584 A YU40584 A YU 40584A YU 00405/84 A YU00405/84 A YU 00405/84A YU 40584 A YU40584 A YU 40584A YU 40584 A YU40584 A YU 40584A
- Authority
- YU
- Yugoslavia
- Prior art keywords
- sub
- liquor
- crystallisation
- recovering calcium
- cooled
- 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)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (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)
- Paper (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Removal Of Specific Substances (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 |
---|---|
YU40584A true YU40584A (en) | 1986-06-30 |
Family
ID=19841508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU00405/84A YU40584A (en) | 1983-03-07 | 1984-03-06 | Process for recovering calcium tetrahydrate using crystallisation |
Country Status (18)
Country | Link |
---|---|
US (1) | US4569677A (fr) |
EP (1) | EP0122646B1 (fr) |
JP (1) | JPS59174524A (fr) |
AT (1) | ATE36305T1 (fr) |
BR (1) | BR8400977A (fr) |
CA (1) | CA1244627A (fr) |
DE (1) | DE3473264D1 (fr) |
EG (1) | EG16429A (fr) |
ES (1) | ES8500868A1 (fr) |
GR (1) | GR82642B (fr) |
HU (1) | HUT34362A (fr) |
IN (1) | IN159653B (fr) |
NL (1) | NL8300816A (fr) |
NO (1) | NO840855L (fr) |
OA (1) | OA07675A (fr) |
RO (1) | RO89118A (fr) |
YU (1) | YU40584A (fr) |
ZA (1) | ZA841678B (fr) |
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 (fr) | 2017-07-25 | 2021-09-08 | Borealis Agrolinz Melamine GmbH | Procédé permettant d'obtenir des cristaux de nitrate de calcium |
EP3495323B1 (fr) * | 2017-12-07 | 2020-09-09 | Borealis Agrolinz Melamine GmbH | Procédé d'obtention d'une fraction de phosphate soluble à partir de cendres contenant du phosphate |
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 (fr) * | 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/fr unknown
- 1984-03-05 EP EP84200310A patent/EP0122646B1/fr not_active Expired
- 1984-03-05 JP JP59040604A patent/JPS59174524A/ja active Pending
- 1984-03-05 CA CA000448878A patent/CA1244627A/fr not_active Expired
- 1984-03-05 DE DE8484200310T patent/DE3473264D1/de not_active Expired
- 1984-03-05 AT AT84200310T patent/ATE36305T1/de not_active IP Right Cessation
- 1984-03-06 HU HU84890A patent/HUT34362A/hu unknown
- 1984-03-06 YU YU00405/84A patent/YU40584A/xx unknown
- 1984-03-06 EG EG153/84A patent/EG16429A/xx active
- 1984-03-06 NO NO840855A patent/NO840855L/no unknown
- 1984-03-06 ZA ZA841678A patent/ZA841678B/xx unknown
- 1984-03-06 ES ES530319A patent/ES8500868A1/es not_active Expired
- 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 |
---|---|
HUT34362A (en) | 1985-03-28 |
CA1244627A (fr) | 1988-11-15 |
RO89118A (fr) | 1986-04-30 |
EG16429A (en) | 1987-04-30 |
EP0122646A1 (fr) | 1984-10-24 |
ES530319A0 (es) | 1984-11-01 |
EP0122646B1 (fr) | 1988-08-10 |
NO840855L (no) | 1984-09-10 |
JPS59174524A (ja) | 1984-10-03 |
ATE36305T1 (de) | 1988-08-15 |
ZA841678B (en) | 1984-10-31 |
OA07675A (en) | 1985-05-23 |
NL8300816A (nl) | 1984-10-01 |
GR82642B (fr) | 1985-02-07 |
US4569677A (en) | 1986-02-11 |
ES8500868A1 (es) | 1984-11-01 |
DE3473264D1 (en) | 1988-09-15 |
IN159653B (fr) | 1987-05-30 |
BR8400977A (pt) | 1984-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES8708200A1 (es) | Procedimiento para la obtencion de oxido magnesico de ele- vada pureza | |
US4341752A (en) | Method for purification and concentration of MgCl2 -brines | |
YU40584A (en) | Process for recovering calcium tetrahydrate using crystallisation | |
EP0908523A3 (fr) | Procédé de préparation de cristaux d'érythritol de haute pureté | |
ZA863235B (en) | Process for seed crystal preparation for phosphoric acid crystallization | |
US4452770A (en) | Phosphoanhydrite process | |
MA20677A1 (fr) | Procede de cristalisation de l'acide phosphorique | |
GB1274798A (en) | A process for preparing 2,2-di(4-hydroxyphenyl) propane of a high degree of purity | |
USRE24890E (en) | Process for the production of mag- | |
ES2007786A6 (es) | Metodo para la fabricacion de 2,2', 4,4', 6,6'-hexanitrostilbeno (hns). | |
SU1549919A1 (ru) | Способ получени борной кислоты | |
PH23743A (en) | Phosphoric acid crystallization process | |
JPS5534115A (en) | Crystallization method | |
US2636900A (en) | Process for the purification of ortho-hydroxybenzamide | |
RU2209178C1 (ru) | Способ очистки термической фосфорной кислоты | |
SU1608118A1 (ru) | Способ получени шенита | |
SU998349A1 (ru) | Способ получени сульфата натри | |
ES8601084A1 (es) | Procedimiento para la purificacion de 2,6 xilenol bruto | |
JPS5792599A (en) | Production of single crystal of ferrite | |
GB899182A (en) | Method of producing urea crystals | |
PL164023B1 (pl) | Sposób wydzielania siarczanu hydroksyloaminy z roztworów wodnych | |
CN1162567A (zh) | 浮选热结晶生产硫镁矾的方法 | |
JPS63315599A (ja) | 無機化合物単結晶の成長方法 | |
SU1325862A1 (ru) | Способ выделения бензолсульфокислого антипирина | |
GB790279A (en) | Improvements in or relating to purification of amino compounds |