BE490896A - - Google Patents
Info
- Publication number
- BE490896A BE490896A BE490896DA BE490896A BE 490896 A BE490896 A BE 490896A BE 490896D A BE490896D A BE 490896DA BE 490896 A BE490896 A BE 490896A
- Authority
- BE
- Belgium
- Prior art keywords
- solvent
- stage
- distillation
- pipe
- vapors
- Prior art date
Links
- 239000002904 solvent Substances 0.000 claims description 47
- 238000004821 distillation Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 239000007859 condensation product Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000010992 reflux Methods 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 26
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 20
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 17
- 150000002989 phenols Chemical class 0.000 description 16
- 239000007788 liquid Substances 0.000 description 15
- 238000009434 installation Methods 0.000 description 9
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 6
- 229940031826 phenolate Drugs 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- -1 benzol Chemical compound 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- NESLWCLHZZISNB-UHFFFAOYSA-M sodium phenolate Chemical compound [Na+].[O-]C1=CC=CC=C1 NESLWCLHZZISNB-UHFFFAOYSA-M 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 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
- C07C37/005—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up
- C07C37/009—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up from waste water
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
BE490896A true BE490896A (enrdf_load_html_response) |
Family
ID=135501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE490896D BE490896A (enrdf_load_html_response) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE490896A (enrdf_load_html_response) |
-
0
- BE BE490896D patent/BE490896A/fr unknown
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2515203A1 (fr) | Procede de distillation pour la production d'ethanol deshydrate | |
RU2356880C2 (ru) | Способ получения фенольных соединений, выделения фенола из смесей продуктов расщепления и установка | |
FR2552098A1 (fr) | Procede et dispositif pour le retraitement d'huiles usees | |
FR2822839A1 (fr) | Procede ameliore des deshydratation et de degazolinage d'un gaz naturel humide | |
BE490896A (enrdf_load_html_response) | ||
FR2587719A1 (fr) | Procede fonctionnant sous vide pour la desodorisation et le raffinage physique des huiles et graisses par la condensation directe des vapeurs | |
US4680092A (en) | Process for degassing, dehydrating and precut separation in straight-run distillation of crude fatty acids | |
US3709793A (en) | Control of environmental pollution in tall oil fractionation | |
FR2485562A1 (fr) | Procede de raffinage de fractions d'huiles lubrifiantes a forte teneur en aromatiques | |
RU2181069C1 (ru) | Способ очистки раствора гликоля - осушителя природного газа | |
FR3041664A1 (fr) | Systeme et procede d'epuisement de composes organiques volatils a partir d'un condensat impur | |
RU2834872C1 (ru) | Способ регенерации растворителя в процессах депарафинизации и обезмасливания | |
RU2728970C1 (ru) | Способ двухступенчатой тепловой регенерации отработанных промышленных жидкостей | |
FR2619106A1 (fr) | Procede de production d'alcool sensiblement anhydre renfermant au moins 2 atomes de carbone par distillation et extraction d'une solution aqueuse de cet alcool | |
BE1029670B1 (fr) | Procédé de récupération de lactide et d'acide lactique lors des étapes de production de polylactide (PLA) | |
KR850001273B1 (ko) | 윤활유 용매 정제법 | |
BE584164A (enrdf_load_html_response) | ||
BE606401A (enrdf_load_html_response) | ||
SU283067A1 (ru) | Способ получения триоксана | |
BE505083A (enrdf_load_html_response) | ||
FR2703600A1 (fr) | Procédé et distillation de mélanges complexes. | |
BE490824A (enrdf_load_html_response) | ||
BE516203A (enrdf_load_html_response) | ||
BE616319A (enrdf_load_html_response) | ||
BE532887A (enrdf_load_html_response) |