BE508544A - - Google Patents
Info
- Publication number
- BE508544A BE508544A BE508544DA BE508544A BE 508544 A BE508544 A BE 508544A BE 508544D A BE508544D A BE 508544DA BE 508544 A BE508544 A BE 508544A
- Authority
- BE
- Belgium
- Prior art keywords
- isomer
- isomers
- gamma
- alpha
- crystals
- Prior art date
Links
- 239000000203 mixture Substances 0.000 claims description 106
- 239000000725 suspension Substances 0.000 claims description 88
- 238000000034 method Methods 0.000 claims description 77
- 238000002425 crystallisation Methods 0.000 claims description 74
- 230000005712 crystallization Effects 0.000 claims description 74
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 55
- CKAPSXZOOQJIBF-UHFFFAOYSA-N Hexachlorobenzene Chemical compound ClC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl CKAPSXZOOQJIBF-UHFFFAOYSA-N 0.000 claims description 53
- 238000000926 separation method Methods 0.000 claims description 50
- 239000000706 filtrate Substances 0.000 claims description 35
- 239000006228 supernatant Substances 0.000 claims description 35
- 239000002904 solvent Substances 0.000 claims description 28
- 125000004122 cyclic group Chemical group 0.000 claims description 27
- 239000007787 solid Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 239000002244 precipitate Substances 0.000 claims description 15
- 238000004090 dissolution Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 238000010908 decantation Methods 0.000 claims description 7
- 230000000749 insecticidal Effects 0.000 claims description 7
- 239000003960 organic solvent Substances 0.000 claims description 7
- BBVBQZMAIGLBMA-UHFFFAOYSA-H benzene;hexachloride Chemical class [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].C1=CC=CC=C1 BBVBQZMAIGLBMA-UHFFFAOYSA-H 0.000 claims description 5
- 230000000875 corresponding Effects 0.000 claims description 5
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000010802 sludge Substances 0.000 claims description 3
- 238000010494 dissociation reaction Methods 0.000 claims 4
- 230000005593 dissociations Effects 0.000 claims 4
- 230000002708 enhancing Effects 0.000 claims 3
- 230000003134 recirculating Effects 0.000 claims 3
- 230000003247 decreasing Effects 0.000 claims 2
- 238000004062 sedimentation Methods 0.000 claims 2
- 239000008247 solid mixture Substances 0.000 claims 2
- 238000003379 elimination reaction Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 229920001098 polystyrene-block-poly(ethylene/propylene) Polymers 0.000 description 52
- 235000012970 cakes Nutrition 0.000 description 27
- 238000003756 stirring Methods 0.000 description 20
- OKKJLVBELUTLKV-UHFFFAOYSA-N methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000012065 filter cake Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000005660 chlorination reaction Methods 0.000 description 6
- 239000007858 starting material Substances 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 239000012452 mother liquor Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002917 insecticide Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 methanol Chemical compound 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- NGIPHSLFEODPTK-UHFFFAOYSA-N 1,1,1,2,2,3-hexachlorohexane Chemical class CCCC(Cl)C(Cl)(Cl)C(Cl)(Cl)Cl NGIPHSLFEODPTK-UHFFFAOYSA-N 0.000 description 1
- RELMFMZEBKVZJC-UHFFFAOYSA-N 1,2,3-trichlorobenzene Chemical compound ClC1=CC=CC(Cl)=C1Cl RELMFMZEBKVZJC-UHFFFAOYSA-N 0.000 description 1
- 101700055557 CNBD2 Proteins 0.000 description 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N Chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 1
- 241000272194 Ciconiiformes Species 0.000 description 1
- FRCCEHPWNOQAEU-UHFFFAOYSA-N Heptachlor Chemical compound ClC1=C(Cl)C2(Cl)C3C=CC(Cl)C3C1(Cl)C2(Cl)Cl FRCCEHPWNOQAEU-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 210000004940 Nucleus Anatomy 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000001464 adherent Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000011874 heated mixture Substances 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000003000 nontoxic Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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 |
|---|---|
| BE508544A true BE508544A (de) |
Family
ID=148216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE508544D BE508544A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE508544A (de) |
-
0
- BE BE508544D patent/BE508544A/fr unknown
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