UA119251C2 - Спосіб очищення 2,5-дихлорофенолу - Google Patents
Спосіб очищення 2,5-дихлорофенолу Download PDFInfo
- Publication number
- UA119251C2 UA119251C2 UAA201606882A UA201606882A UA119251C2 UA 119251 C2 UA119251 C2 UA 119251C2 UA A201606882 A UAA201606882 A UA A201606882A UA 201606882 A UA201606882 A UA 201606882A UA 119251 C2 UA119251 C2 UA 119251C2
- Authority
- UA
- Ukraine
- Prior art keywords
- dichlorophenol
- crystallization
- distillation
- stage
- melt
- Prior art date
Links
- RANCECPPZPIPNO-UHFFFAOYSA-N 2,5-dichlorophenol Chemical compound OC1=CC(Cl)=CC=C1Cl RANCECPPZPIPNO-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000002425 crystallisation Methods 0.000 claims abstract description 65
- 230000008025 crystallization Effects 0.000 claims abstract description 64
- 238000004821 distillation Methods 0.000 claims abstract description 56
- 239000000203 mixture Substances 0.000 claims description 42
- 239000000155 melt Substances 0.000 claims description 30
- 239000012452 mother liquor Substances 0.000 claims description 25
- HFZWRUODUSTPEG-UHFFFAOYSA-N 2,4-dichlorophenol Chemical compound OC1=CC=C(Cl)C=C1Cl HFZWRUODUSTPEG-UHFFFAOYSA-N 0.000 claims description 24
- WDNBURPWRNALGP-UHFFFAOYSA-N 3,4-Dichlorophenol Chemical compound OC1=CC=C(Cl)C(Cl)=C1 WDNBURPWRNALGP-UHFFFAOYSA-N 0.000 claims description 19
- 238000000746 purification Methods 0.000 claims description 14
- 239000011541 reaction mixture Substances 0.000 claims description 14
- 230000007062 hydrolysis Effects 0.000 claims description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 6
- KFULEWCWKGOMPA-UHFFFAOYSA-N 1,4,6-trichlorocyclohexa-2,4-dien-1-ol Chemical compound OC1(Cl)C=CC(Cl)=CC1Cl KFULEWCWKGOMPA-UHFFFAOYSA-N 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- -1 alkali metal alkoxide Chemical class 0.000 claims description 2
- 239000013078 crystal Substances 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- PBKONEOXTCPAFI-UHFFFAOYSA-N 1,2,4-trichlorobenzene Chemical compound ClC1=CC=C(Cl)C(Cl)=C1 PBKONEOXTCPAFI-UHFFFAOYSA-N 0.000 description 15
- 239000000047 product Substances 0.000 description 15
- IWEDIXLBFLAXBO-UHFFFAOYSA-N dicamba Chemical compound COC1=C(Cl)C=CC(Cl)=C1C(O)=O IWEDIXLBFLAXBO-UHFFFAOYSA-N 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 239000005504 Dicamba Substances 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 230000002363 herbicidal effect Effects 0.000 description 3
- 239000004009 herbicide Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- QKMNFFSBZRGHDJ-UHFFFAOYSA-N 1,4-dichloro-2-methoxybenzene Chemical compound COC1=CC(Cl)=CC=C1Cl QKMNFFSBZRGHDJ-UHFFFAOYSA-N 0.000 description 1
- UMPSXRYVXUPCOS-UHFFFAOYSA-N 2,3-dichlorophenol Chemical compound OC1=CC=CC(Cl)=C1Cl UMPSXRYVXUPCOS-UHFFFAOYSA-N 0.000 description 1
- 241000209049 Poa pratensis Species 0.000 description 1
- 244000200882 Setaria barbata Species 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000021523 carboxylation Effects 0.000 description 1
- 238000006473 carboxylation reaction Methods 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000006193 diazotization reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000002002 slurry Substances 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
- 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
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- 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
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/24—Halogenated derivatives
- C07C39/26—Halogenated derivatives monocyclic monohydroxylic containing halogen bound to ring carbon atoms
- C07C39/27—Halogenated derivatives monocyclic monohydroxylic containing halogen bound to ring carbon atoms all halogen atoms being bound to ring carbon atoms
- C07C39/30—Halogenated derivatives monocyclic monohydroxylic containing halogen bound to ring carbon atoms all halogen atoms being bound to ring carbon atoms the halogen being two chlorine atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361911509P | 2013-12-04 | 2013-12-04 | |
| EP13199434 | 2013-12-23 | ||
| PCT/EP2014/076140 WO2015082415A1 (en) | 2013-12-04 | 2014-12-01 | Process for purifying 2,5-dichlorophenol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UA119251C2 true UA119251C2 (uk) | 2019-05-27 |
Family
ID=66329141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UAA201606882A UA119251C2 (uk) | 2013-12-04 | 2014-01-12 | Спосіб очищення 2,5-дихлорофенолу |
Country Status (4)
| Country | Link |
|---|---|
| BR (1) | BR112016012664B1 (da) |
| DK (1) | DK3077353T3 (da) |
| ES (1) | ES2724912T3 (da) |
| UA (1) | UA119251C2 (da) |
-
2014
- 2014-01-12 UA UAA201606882A patent/UA119251C2/uk unknown
- 2014-12-01 BR BR112016012664-5A patent/BR112016012664B1/pt active IP Right Grant
- 2014-12-01 ES ES14805905T patent/ES2724912T3/es active Active
- 2014-12-01 DK DK14805905.8T patent/DK3077353T3/da active
Also Published As
| Publication number | Publication date |
|---|---|
| BR112016012664B1 (pt) | 2020-12-01 |
| DK3077353T3 (da) | 2019-05-06 |
| BR112016012664A2 (pt) | 2017-08-08 |
| ES2724912T3 (es) | 2019-09-17 |
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