IE39890B1 - Minimizing fine crystals in continuous crystalliyation-by-cooling process - Google Patents
Minimizing fine crystals in continuous crystalliyation-by-cooling processInfo
- Publication number
- IE39890B1 IE39890B1 IE1884/74A IE188474A IE39890B1 IE 39890 B1 IE39890 B1 IE 39890B1 IE 1884/74 A IE1884/74 A IE 1884/74A IE 188474 A IE188474 A IE 188474A IE 39890 B1 IE39890 B1 IE 39890B1
- Authority
- IE
- Ireland
- Prior art keywords
- solvent
- stream
- crystalliser
- pressure
- conduit
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0018—Evaporation of components of the mixture to be separated
- B01D9/0022—Evaporation of components of the mixture to be separated by reducing pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D9/00—Crystallisation
- B01D9/0036—Crystallisation on to a bed of product crystals; Seeding
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39811973A | 1973-09-17 | 1973-09-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE39890L IE39890L (en) | 1975-03-17 |
| IE39890B1 true IE39890B1 (en) | 1979-01-17 |
Family
ID=23574060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE1884/74A IE39890B1 (en) | 1973-09-17 | 1974-09-10 | Minimizing fine crystals in continuous crystalliyation-by-cooling process |
Country Status (25)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3111320C2 (de) * | 1981-03-23 | 1986-10-09 | Walter Rau Lebensmittelwerke GmbH & Co. KG, 4517 Hilter | Verfahren zur Kristallisation von Fetten |
| DE102005048881A1 (de) * | 2005-10-12 | 2007-04-19 | Forschungszentrum Karlsruhe Gmbh | Verfahren zur Lösungskristallisation von Stoffgemischen |
| CN110975314B (zh) * | 2019-11-25 | 2021-06-04 | 湖南恒光科技股份有限公司 | 一种氯酸钠结晶蒸发水闭式循环工艺系统及方法 |
| CN111514605A (zh) * | 2020-04-23 | 2020-08-11 | 江西赣锋锂业股份有限公司 | 一种间接冷凝真空冷冻结晶器 |
| WO2022255366A1 (ja) * | 2021-06-02 | 2022-12-08 | 株式会社日本触媒 | 精製装置に用いられる槽 |
| CN114288694B (zh) * | 2021-12-31 | 2023-04-07 | 天津农学院 | 高纯碳酸锂的闪蒸汽压缩式连续结晶系统及工艺 |
| CN116832474B (zh) * | 2023-05-16 | 2025-09-02 | 南通三圣石墨设备科技股份有限公司 | 一种晶体粒度严格受控的结晶方法和专用装置 |
-
1974
- 1974-01-01 AR AR255493A patent/AR204539A1/es active
- 1974-08-15 NL NL7410956A patent/NL7410956A/xx not_active Application Discontinuation
- 1974-09-04 HU HU74HE00000662A patent/HU171447B/hu unknown
- 1974-09-04 FI FI2581/74A patent/FI258174A7/fi unknown
- 1974-09-04 GB GB3860074A patent/GB1443632A/en not_active Expired
- 1974-09-05 CA CA208,574A patent/CA1021253A/en not_active Expired
- 1974-09-06 JP JP10287274A patent/JPS544943B2/ja not_active Expired
- 1974-09-07 DE DE2442934A patent/DE2442934A1/de active Pending
- 1974-09-10 IE IE1884/74A patent/IE39890B1/xx unknown
- 1974-09-11 CH CH1263574A patent/CH596865A5/xx not_active IP Right Cessation
- 1974-09-11 BE BE148402A patent/BE819779A/xx unknown
- 1974-09-12 NO NO743279A patent/NO743279L/no unknown
- 1974-09-12 TR TR18366A patent/TR18366A/xx unknown
- 1974-09-12 RO RO7479961A patent/RO64603A/ro unknown
- 1974-09-12 FR FR7430827A patent/FR2243714A1/fr not_active Withdrawn
- 1974-09-14 EG EG383/74A patent/EG11307A/xx active
- 1974-09-16 AU AU73345/74A patent/AU7334574A/en not_active Expired
- 1974-09-16 LU LU70909A patent/LU70909A1/xx unknown
- 1974-09-16 BR BR7702/74A patent/BR7407702D0/pt unknown
- 1974-09-16 IT IT27322/74A patent/IT1021413B/it active
- 1974-09-16 ES ES430110A patent/ES430110A1/es not_active Expired
- 1974-09-17 ZA ZA00745889A patent/ZA745889B/xx unknown
- 1974-09-17 PL PL1974174151A patent/PL95238B1/pl unknown
- 1974-09-17 DD DD181162A patent/DD114003A5/xx unknown
-
1977
- 1977-12-30 MY MY221/77A patent/MY7700221A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MY7700221A (en) | 1977-12-31 |
| JPS5056372A (enrdf_load_stackoverflow) | 1975-05-17 |
| DE2442934A1 (de) | 1975-03-20 |
| CH596865A5 (enrdf_load_stackoverflow) | 1978-03-31 |
| FI258174A7 (enrdf_load_stackoverflow) | 1975-03-18 |
| IT1021413B (it) | 1978-01-30 |
| LU70909A1 (enrdf_load_stackoverflow) | 1975-01-02 |
| GB1443632A (en) | 1976-07-21 |
| CA1021253A (en) | 1977-11-22 |
| TR18366A (tr) | 1977-05-01 |
| FR2243714A1 (enrdf_load_stackoverflow) | 1975-04-11 |
| RO64603A (fr) | 1979-05-15 |
| HU171447B (hu) | 1978-01-28 |
| NO743279L (enrdf_load_stackoverflow) | 1975-04-14 |
| ES430110A1 (es) | 1977-02-16 |
| DD114003A5 (enrdf_load_stackoverflow) | 1975-07-12 |
| NL7410956A (nl) | 1975-03-19 |
| BR7407702D0 (pt) | 1975-07-29 |
| ZA745889B (en) | 1975-09-24 |
| PL95238B1 (enrdf_load_stackoverflow) | 1977-09-30 |
| AR204539A1 (es) | 1976-02-12 |
| AU7334574A (en) | 1976-03-18 |
| BE819779A (fr) | 1974-12-31 |
| EG11307A (en) | 1977-02-28 |
| JPS544943B2 (enrdf_load_stackoverflow) | 1979-03-12 |
| IE39890L (en) | 1975-03-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5500189A (en) | Apparatus for crystallization of organic matter | |
| ES429400A1 (es) | Procedimiento de recuperacion de productos de acido teref- talico cristalino. | |
| GB1358800A (en) | Purification of contaminated liquids | |
| IE39890B1 (en) | Minimizing fine crystals in continuous crystalliyation-by-cooling process | |
| GB1171823A (en) | Water Distillation Plant. | |
| GB1441463A (en) | Multiple effect evaporator | |
| US4224036A (en) | Method of concentrating salt solutions | |
| US3954751A (en) | Continuous production of cyanuric acid | |
| GB1225395A (enrdf_load_stackoverflow) | ||
| US3467724A (en) | P-xylene process | |
| US2573516A (en) | Treatment of solutions | |
| NO135778B (enrdf_load_stackoverflow) | ||
| GB1135063A (en) | Process for the purification of malic acid | |
| US3251879A (en) | Production of low-biuret urea crystals | |
| GB1368692A (en) | Crystallizer method and apparatus | |
| US3977936A (en) | Method for the continuous crystallization of a solid component with a centrifugal film evaporator | |
| US3318951A (en) | Preparation of urea with a low biuret content | |
| US3171770A (en) | Process for the production of substantially anhydrous and substantially biuret-free urea | |
| GB1223663A (en) | Pyrazole compounds and process for preparing the same | |
| US3467699A (en) | Production of crystals from solutions | |
| GB958596A (en) | A method of and apparatus for cooling and crystallising saline solutions | |
| SU1176904A1 (ru) | Кристаллизатор вакуумный циркул ционный | |
| GB1449928A (en) | Centrifugal film evaporators | |
| US4231840A (en) | Method of concentrating an aqueous solution by multiple effect evaporating | |
| US3113063A (en) | Method of drying phosphoruscontaining acids |