BE531142A - - Google Patents
Info
- Publication number
- BE531142A BE531142A BE531142DA BE531142A BE 531142 A BE531142 A BE 531142A BE 531142D A BE531142D A BE 531142DA BE 531142 A BE531142 A BE 531142A
- Authority
- BE
- Belgium
- Prior art keywords
- isomer
- gamma
- alpha
- benzene
- solvent
- Prior art date
Links
- 239000002904 solvent Substances 0.000 claims description 53
- 239000000047 product Substances 0.000 claims description 42
- IEJIGPNLZYLLBP-UHFFFAOYSA-N Dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 claims description 36
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 25
- YMWUJEATGCHHMB-UHFFFAOYSA-N methylene dichloride Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 22
- CKAPSXZOOQJIBF-UHFFFAOYSA-N Hexachlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl CKAPSXZOOQJIBF-UHFFFAOYSA-N 0.000 claims description 21
- 238000002425 crystallisation Methods 0.000 claims description 16
- 230000005712 crystallization Effects 0.000 claims description 16
- 238000005660 chlorination reaction Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 239000012452 mother liquor Substances 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 239000012141 concentrate Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 239000000460 chlorine Substances 0.000 claims description 7
- 229910052801 chlorine Inorganic materials 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- BBVBQZMAIGLBMA-UHFFFAOYSA-H benzene;hexachloride Chemical class [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].C1=CC=CC=C1 BBVBQZMAIGLBMA-UHFFFAOYSA-H 0.000 claims description 2
- 229910010272 inorganic material Inorganic materials 0.000 claims description 2
- 239000011147 inorganic material Substances 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 239000011877 solvent mixture Substances 0.000 claims description 2
- 239000007858 starting material Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 claims 5
- 239000002253 acid Substances 0.000 claims 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 2
- 238000010924 continuous production Methods 0.000 claims 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims 1
- NEHMKBQYUWJMIP-UHFFFAOYSA-N Chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 claims 1
- 229940050176 Methyl Chloride Drugs 0.000 claims 1
- 230000005591 charge neutralization Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000001264 neutralization Effects 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 239000011368 organic material Substances 0.000 claims 1
- 239000012429 reaction media Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N γ Benzene hexachloride Chemical compound ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate dianion Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive Effects 0.000 description 3
- -1 aliphatic alcohols Chemical class 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- MVPPADPHJFYWMZ-UHFFFAOYSA-N Chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 2
- 238000010908 decantation Methods 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- JLYXXMFPNIAWKQ-GNIYUCBRSA-N Lindane Chemical compound Cl[C@H]1[C@H](Cl)[C@@H](Cl)[C@@H](Cl)[C@H](Cl)[C@H]1Cl JLYXXMFPNIAWKQ-GNIYUCBRSA-N 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 238000001640 fractional crystallisation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N iso-propanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- 229960002809 lindane Drugs 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000000935 solvent evaporation 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
-
- 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 |
|---|---|
| BE531142A true BE531142A (un) |
Family
ID=163579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531142D BE531142A (un) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE531142A (un) |
-
0
- BE BE531142D patent/BE531142A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2791098B1 (fr) | Procede de purification de la vanilline par extraction liquide-liquide | |
| FR2562538A1 (fr) | Procede de recristallisation d'explosifs brisants | |
| KR100552262B1 (ko) | 정제된 테레프탈산과 이소프탈산을 혼합 크실렌으로부터제조하는 방법 | |
| EP0913374B1 (fr) | Procédé d'obtention de la forme polymorphe epsilon de l'hexanitrohexaazaisowurtzitane | |
| EP0461096B1 (fr) | Procédé de fabrication de N-phénylmaléimide | |
| CA2403426A1 (fr) | Procede de purificaction d'esters cycliques | |
| FR2467185A1 (fr) | Procedes de separation et de purification du resorcinol et de l'hydroquinone | |
| RU2208606C2 (ru) | Способ очистки изофталевой кислоты путем кристаллизации | |
| EP2313389B1 (fr) | Procede d'obtention de lactide | |
| BE531142A (un) | ||
| FR2505202A1 (fr) | Procede de recuperation de matieres solides dissoutes a partir d'une solution aqueuse les contenant | |
| BE491132A (un) | ||
| BE573797A (un) | ||
| JP2002524390A (ja) | 精製テレフタル酸及びイソフタル酸を混合キシレンから製造する方法 | |
| BE530153A (un) | ||
| FR3054218A1 (fr) | Procede de dedoublement de sels de baclofene | |
| EP1627872B1 (fr) | Procédé de synthèse du sel de potassium du dinitrobenzofuroxanne | |
| US2889376A (en) | Isolation of gamma benzene hexachloride | |
| BE508544A (un) | ||
| BE569211A (un) | ||
| CH625519A5 (un) | ||
| BE505856A (un) | ||
| BE505022A (un) | ||
| BE540511A (un) | ||
| BE558730A (un) |