GB1275232A - Improvements in or relating to sublimation processes - Google Patents
Improvements in or relating to sublimation processesInfo
- Publication number
- GB1275232A GB1275232A GB1802570D GB1802570D GB1275232A GB 1275232 A GB1275232 A GB 1275232A GB 1802570 D GB1802570 D GB 1802570D GB 1802570 D GB1802570 D GB 1802570D GB 1275232 A GB1275232 A GB 1275232A
- Authority
- GB
- United Kingdom
- Prior art keywords
- organic compound
- vessel
- solvent
- slurry
- vapours
- 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
- 238000005092 sublimation method Methods 0.000 title 1
- 150000002894 organic compounds Chemical class 0.000 abstract 8
- 239000002904 solvent Substances 0.000 abstract 4
- 238000010438 heat treatment Methods 0.000 abstract 3
- 239000002002 slurry Substances 0.000 abstract 3
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 abstract 2
- PVNIIMVLHYAWGP-UHFFFAOYSA-N Niacin Chemical compound OC(=O)C1=CC=CN=C1 PVNIIMVLHYAWGP-UHFFFAOYSA-N 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 230000008018 melting Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 230000008022 sublimation Effects 0.000 abstract 2
- 238000000859 sublimation Methods 0.000 abstract 2
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 abstract 1
- 235000008098 Oxalis acetosella Nutrition 0.000 abstract 1
- 240000007930 Oxalis acetosella Species 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 239000012141 concentrate Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 229910003460 diamond Inorganic materials 0.000 abstract 1
- 239000010432 diamond Substances 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000012774 insulation material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229960003512 nicotinic acid Drugs 0.000 abstract 1
- 235000001968 nicotinic acid Nutrition 0.000 abstract 1
- 239000011664 nicotinic acid Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
- B01D7/02—Crystallisation directly from the vapour phase
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81664269A | 1969-04-16 | 1969-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1275232A true GB1275232A (en) | 1972-05-24 |
Family
ID=25221235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1802570D Expired GB1275232A (en) | 1969-04-16 | 1970-04-15 | Improvements in or relating to sublimation processes |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS526979B1 (enrdf_load_stackoverflow) |
| DE (1) | DE2018047B2 (enrdf_load_stackoverflow) |
| FR (1) | FR2043368A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1275232A (enrdf_load_stackoverflow) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2032515B1 (fr) * | 2006-06-29 | 2017-03-29 | Rhodia Opérations | Nouvelle forme d'hyproquinone et son procede d'obtention |
| CN106748702A (zh) * | 2017-01-17 | 2017-05-31 | 湖北开元化工科技股份有限公司 | 一种升华法生产对苯醌的设备 |
| CN109107213A (zh) * | 2018-10-24 | 2019-01-01 | 爱发科真空技术（沈阳）有限公司 | 一种升华结构与凝固回收装置的结合结构 |
| CN111530118A (zh) * | 2020-05-21 | 2020-08-14 | 郑州大学 | 一种用于真空环境下的外部加热装置及超高真空设备 |
| WO2022122029A1 (zh) * | 2020-12-11 | 2022-06-16 | 安徽金禾实业股份有限公司 | 麦芽酚升华工段的冷却装置及冷却方法 |
-
1970
- 1970-04-15 DE DE19702018047 patent/DE2018047B2/de active Granted
- 1970-04-15 GB GB1802570D patent/GB1275232A/en not_active Expired
- 1970-04-15 FR FR7013559A patent/FR2043368A5/fr not_active Expired
- 1970-04-16 JP JP3203670A patent/JPS526979B1/ja active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2032515B1 (fr) * | 2006-06-29 | 2017-03-29 | Rhodia Opérations | Nouvelle forme d'hyproquinone et son procede d'obtention |
| CN106748702A (zh) * | 2017-01-17 | 2017-05-31 | 湖北开元化工科技股份有限公司 | 一种升华法生产对苯醌的设备 |
| CN106748702B (zh) * | 2017-01-17 | 2023-09-01 | 湖北开元化工科技股份有限公司 | 一种升华法生产对苯醌的设备 |
| CN109107213A (zh) * | 2018-10-24 | 2019-01-01 | 爱发科真空技术（沈阳）有限公司 | 一种升华结构与凝固回收装置的结合结构 |
| CN111530118A (zh) * | 2020-05-21 | 2020-08-14 | 郑州大学 | 一种用于真空环境下的外部加热装置及超高真空设备 |
| WO2022122029A1 (zh) * | 2020-12-11 | 2022-06-16 | 安徽金禾实业股份有限公司 | 麦芽酚升华工段的冷却装置及冷却方法 |
| CN116710184A (zh) * | 2020-12-11 | 2023-09-05 | 安徽金禾实业股份有限公司 | 麦芽酚升华工段的冷却装置及冷却方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2018047A1 (de) | 1970-10-22 |
| JPS526979B1 (enrdf_load_stackoverflow) | 1977-02-26 |
| DE2018047B2 (de) | 1973-06-20 |
| DE2018047C3 (enrdf_load_stackoverflow) | 1974-02-07 |
| FR2043368A5 (enrdf_load_stackoverflow) | 1971-02-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |