GB1140058A - Process for the isolation of compounds of high melting point - Google Patents
Process for the isolation of compounds of high melting pointInfo
- Publication number
- GB1140058A GB1140058A GB18292/66A GB1829266A GB1140058A GB 1140058 A GB1140058 A GB 1140058A GB 18292/66 A GB18292/66 A GB 18292/66A GB 1829266 A GB1829266 A GB 1829266A GB 1140058 A GB1140058 A GB 1140058A
- Authority
- GB
- United Kingdom
- Prior art keywords
- compound
- vapours
- column
- solvent
- melting point
- 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
- 150000001875 compounds Chemical class 0.000 title abstract 8
- 238000002844 melting Methods 0.000 title abstract 3
- 230000008018 melting Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 238000002955 isolation Methods 0.000 title 1
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- 239000002904 solvent Substances 0.000 abstract 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 abstract 2
- 238000002425 crystallisation Methods 0.000 abstract 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 abstract 2
- 238000005119 centrifugation Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000011269 tar Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/156—Coating two or more articles simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (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 |
|---|---|---|---|
| FR14652A FR1441627A (fr) | 1965-04-26 | 1965-04-26 | Procédé d'isolement de produits à point de fusion élevé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1140058A true GB1140058A (en) | 1969-01-15 |
Family
ID=8577293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18292/66A Expired GB1140058A (en) | 1965-04-26 | 1966-04-26 | Process for the isolation of compounds of high melting point |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE680023A (cs) |
| FR (1) | FR1441627A (cs) |
| GB (1) | GB1140058A (cs) |
| NL (1) | NL6605164A (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4308110A (en) * | 1979-10-09 | 1981-12-29 | Sumitomo Chemical Company Limited | Process for separation and purification of dihydric phenols |
| CA2203352C (en) * | 1996-06-07 | 2000-08-01 | Walter H. Whitlock | Method and apparatus for purifying a substance |
-
1965
- 1965-04-26 FR FR14652A patent/FR1441627A/fr not_active Expired
-
1966
- 1966-04-18 NL NL6605164A patent/NL6605164A/xx unknown
- 1966-04-25 BE BE680023D patent/BE680023A/xx unknown
- 1966-04-26 GB GB18292/66A patent/GB1140058A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE680023A (cs) | 1966-10-25 |
| FR1441627A (fr) | 1966-06-10 |
| NL6605164A (cs) | 1966-10-27 |
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