BE491132A - - Google Patents
Info
- Publication number
- BE491132A BE491132A BE491132DA BE491132A BE 491132 A BE491132 A BE 491132A BE 491132D A BE491132D A BE 491132DA BE 491132 A BE491132 A BE 491132A
- Authority
- BE
- Belgium
- Prior art keywords
- isomer
- solution
- hexachlorcyclohexane
- isomers
- supersaturated
- Prior art date
Links
- 239000000243 solution Substances 0.000 claims description 62
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N γ Benzene hexachloride Chemical compound ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 20
- 230000005712 crystallization Effects 0.000 claims description 18
- 238000002425 crystallisation Methods 0.000 claims description 17
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- 239000012047 saturated solution Substances 0.000 claims description 10
- 239000011550 stock solution Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005660 chlorination reaction Methods 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 6
- 238000010956 selective crystallization Methods 0.000 claims description 4
- 230000000996 additive Effects 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 2
- 239000006227 byproduct Substances 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 230000001376 precipitating Effects 0.000 claims 1
- 239000000047 product Substances 0.000 claims 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- XSTXAVWGXDQKEL-UHFFFAOYSA-N triclene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- XENVCRGQTABGKY-ZHACJKMWSA-N Chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- CPBZARXQRZTYGI-UHFFFAOYSA-N 3-cyclopentylpropylcyclohexane Chemical compound C1CCCCC1CCCC1CCCC1 CPBZARXQRZTYGI-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/392—Separation; Purification; Stabilisation; Use of additives by crystallisation; Purification or separation of the crystals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE491132A true BE491132A (xx) |
Family
ID=135669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE491132D BE491132A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE491132A (xx) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2718531A (en) * | 1952-01-29 | 1955-09-20 | Tennessee Products And Chemica | Process of treating crude benzene hexachloride to derive therefrom a product having enhanced gamma isomer content |
| US2760995A (en) * | 1951-09-28 | 1956-08-28 | Ethyl Corp | Refinement of benzene hexachloride |
| US2767224A (en) * | 1951-01-23 | 1956-10-16 | Hooker Electrochemical Co | Hexachlorocyclohexane isomer separation |
| DE960096C (de) * | 1954-12-05 | 1957-03-14 | Bayer Ag | Verfahren zur Herstellung von ª†-Hexachlorcyclohexan mit einem ª† -Isomerengehalt von mindestens 90% |
| US2827501A (en) * | 1952-02-23 | 1958-03-18 | Boehringer Sohn Ingelheim | Process of producing pure technical grade gamma-hexachloro-cyclohexane |
| DE1047779B (de) * | 1951-01-23 | 1958-12-31 | Hooker Electrochemical Co | Verfahren zur Trennung des ª†-Isomeren aus dem rohen Hexachlorcyclohexangemisch |
| US2911446A (en) * | 1953-07-07 | 1959-11-03 | Olin Mathieson | Process for the separation of gamma benzene hexachloride |
-
0
- BE BE491132D patent/BE491132A/fr unknown
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2767224A (en) * | 1951-01-23 | 1956-10-16 | Hooker Electrochemical Co | Hexachlorocyclohexane isomer separation |
| DE1047779B (de) * | 1951-01-23 | 1958-12-31 | Hooker Electrochemical Co | Verfahren zur Trennung des ª†-Isomeren aus dem rohen Hexachlorcyclohexangemisch |
| US2760995A (en) * | 1951-09-28 | 1956-08-28 | Ethyl Corp | Refinement of benzene hexachloride |
| US2718531A (en) * | 1952-01-29 | 1955-09-20 | Tennessee Products And Chemica | Process of treating crude benzene hexachloride to derive therefrom a product having enhanced gamma isomer content |
| US2827501A (en) * | 1952-02-23 | 1958-03-18 | Boehringer Sohn Ingelheim | Process of producing pure technical grade gamma-hexachloro-cyclohexane |
| US2911446A (en) * | 1953-07-07 | 1959-11-03 | Olin Mathieson | Process for the separation of gamma benzene hexachloride |
| DE960096C (de) * | 1954-12-05 | 1957-03-14 | Bayer Ag | Verfahren zur Herstellung von ª†-Hexachlorcyclohexan mit einem ª† -Isomerengehalt von mindestens 90% |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2562538A1 (fr) | Procede de recristallisation d'explosifs brisants | |
| BE491132A (xx) | ||
| BE573797A (xx) | ||
| FR2505202A1 (fr) | Procede de recuperation de matieres solides dissoutes a partir d'une solution aqueuse les contenant | |
| CH289599A (fr) | Procédé pour la séparation de l'isomère | |
| EP0191512B1 (fr) | Procédé de fabrication de carbonate de sodium anhydre dense et carbonate de sodium anhydre dense obtenu par ce procédé | |
| BE531142A (xx) | ||
| EP0971040B1 (fr) | Procédé de fabrication de fructose cristallisé | |
| FR2467835A1 (fr) | Procede de separation et d'epuration de l'anthracene de l'huile d'anthracene | |
| BE358740A (xx) | ||
| BE530153A (xx) | ||
| BE493858A (xx) | ||
| CH279552A (fr) | Procédé pour la séparation de l'isomère y de l'hexachlorcyclohexane à partir de ses mélanges avec d'autres isomères. | |
| BE465367A (xx) | ||
| BE620113A (xx) | ||
| BE562121A (xx) | ||
| BE382589A (xx) | ||
| BE541136A (xx) | ||
| BE529110A (xx) | ||
| BE451789A (xx) | ||
| BE508544A (xx) | ||
| BE464522A (xx) | ||
| BE511139A (xx) | ||
| CH282872A (fr) | Procédé de préparation du sel sodique de pénicilline cristallisé. | |
| CH266092A (fr) | Procédé de préparation de sels de guanidine. |