BE528989A - - Google Patents
Info
- Publication number
- BE528989A BE528989A BE528989DA BE528989A BE 528989 A BE528989 A BE 528989A BE 528989D A BE528989D A BE 528989DA BE 528989 A BE528989 A BE 528989A
- Authority
- BE
- Belgium
- Prior art keywords
- reaction
- installation
- series
- distillation
- phthalic anhydride
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims description 41
- 238000009434 installation Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 27
- 238000010992 reflux Methods 0.000 description 17
- 238000004821 distillation Methods 0.000 description 13
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 12
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 6
- 229930192627 Naphthoquinone Natural products 0.000 description 5
- 239000012295 chemical reaction liquid Substances 0.000 description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 5
- 150000002791 naphthoquinones Chemical class 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 239000012262 resinous product Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PSDYUIXHASNBMV-UHFFFAOYSA-N C1(=CC=CC=C1)[SH2]C1=CC=CC=C1 Chemical compound C1(=CC=CC=C1)[SH2]C1=CC=CC=C1 PSDYUIXHASNBMV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/245—Stationary reactors without moving elements inside placed in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/54—Preparation of carboxylic acid anhydrides
- C07C51/573—Separation; Purification; Stabilisation; Use of additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00074—Controlling the temperature by indirect heating or cooling employing heat exchange fluids
- B01J2219/00087—Controlling the temperature by indirect heating or cooling employing heat exchange fluids with heat exchange elements outside the reactor
- B01J2219/00101—Reflux columns
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL321511X | 1953-05-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE528989A true BE528989A (d) |
Family
ID=19783999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE528989D BE528989A (d) | 1953-05-28 |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE528989A (d) |
NL (1) | NL77900C (d) |
-
0
- BE BE528989D patent/BE528989A/fr unknown
- NL NL77900D patent/NL77900C/xx active
Also Published As
Publication number | Publication date |
---|---|
NL77900C (d) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2478627A1 (fr) | Procede de production et de recuperation d'acide terephtalique | |
FR2722783A1 (fr) | Procede de preparation d'acide adipique par oxydattion directe du cyclohexane et recyclage du catalyseur | |
FR2503159A1 (fr) | Procede de fabrication des bis(ether anhydride)s aromatiques par reaction d'echange avec l'anhydride phtalique | |
US5631387A (en) | Process for the preparation and recovery of maleic anhydride | |
EP1212280B1 (fr) | Procede de purification de l'acide acrylique obtenu par oxydation du propylene et/ou l'acroleine | |
EP0648731B1 (fr) | Procédé d'hydroxycarbonylation du butadiène | |
CA2037108C (fr) | Procede pour la fabrication du dimethyldisulfure | |
BE528989A (d) | ||
FR2532190A1 (fr) | Dispositif pour l'elimination a froid de l'hydrogene sulfure contenu dans un melange gazeux, par reaction sur de l'anhydride sulfureux, et pour la separation du soufre solide ainsi produit | |
US3037032A (en) | Purification of phthalic anhydride, glycerol and phenol | |
CH480280A (fr) | Procédé d'oxydation en phase liquide, d'hydrocarbures saturés | |
US4091017A (en) | Method of preparing terephthalic acid dichloride and isophthalic acid dichloride | |
BE641380A (fr) | Procédé de fabrication de l'acide acétique et de l'acétate de butyle | |
FR2817863A1 (fr) | Procede de fabrication d'hydrazine en solution aqueuse et produit intermediaire de synthese dans cette fabrication | |
JPH0791263B2 (ja) | カプロラクタムの回収方法および装置 | |
FR2503141A1 (fr) | Procede de fabrication de bis(ether-acide phtalique) aromatique ou de bis(ether-anhydride) aromatique par reaction d'echange avec l'acide ou l'anhydride phtalique | |
US2948764A (en) | Process for reducing the quantity of thiophenes in an aromatic hydrocarbon | |
FR2532292A2 (fr) | Procede d'elimination de l'hydrogene sulfure contenu dans un melange gazeux | |
US1197167A (en) | Process of concentrating nitric acid. | |
EP4380997A1 (fr) | Procédé de récupération de lactide et d'acide lactique lors des étapes de production de polylactide (pla) | |
FR2459791A1 (fr) | Procede de fabrication de composes carbonyles insatures | |
FR3149008A1 (fr) | Procede de purification d’acrylates legers | |
KR830001345B1 (ko) | 클로로포름, 메틸렌클로라이드 및 클로로푸란으로 구성된 혼합물에서 아세트알데히드를 분리시키는 방법 | |
BE573383A (d) | ||
BE517227A (d) |