CS196563B1 - Způsob čištění aromatických uhlovodíků 1 - Google Patents
Způsob čištění aromatických uhlovodíků 1 Download PDFInfo
- Publication number
- CS196563B1 CS196563B1 CS569675A CS569675A CS196563B1 CS 196563 B1 CS196563 B1 CS 196563B1 CS 569675 A CS569675 A CS 569675A CS 569675 A CS569675 A CS 569675A CS 196563 B1 CS196563 B1 CS 196563B1
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- aromatics
- aromatic hydrocarbons
- dienophilic
- purification
- substance
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 22
- 150000004945 aromatic hydrocarbons Chemical class 0.000 title claims description 10
- 238000004140 cleaning Methods 0.000 title description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 24
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 18
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 238000000746 purification Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 8
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 4
- 150000002430 hydrocarbons Chemical class 0.000 claims description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 3
- 230000003197 catalytic effect Effects 0.000 claims description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 3
- 239000011976 maleic acid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- 150000002689 maleic acids Chemical class 0.000 claims description 2
- NLDYACGHTUPAQU-UHFFFAOYSA-N tetracyanoethylene Chemical compound N#CC(C#N)=C(C#N)C#N NLDYACGHTUPAQU-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 29
- 238000004821 distillation Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000009064 short-term regulation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 150000007934 α,β-unsaturated carboxylic acids Chemical class 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DD18060674A DD112976A1 (enEXAMPLES) | 1974-08-20 | 1974-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS196563B1 true CS196563B1 (cs) | 1980-03-31 |
Family
ID=5497003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS569675A CS196563B1 (cs) | 1974-08-20 | 1975-08-20 | Způsob čištění aromatických uhlovodíků 1 |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS196563B1 (enEXAMPLES) |
| DD (1) | DD112976A1 (enEXAMPLES) |
| PL (1) | PL94230B1 (enEXAMPLES) |
| RO (1) | RO70481A (enEXAMPLES) |
-
1974
- 1974-08-20 DD DD18060674A patent/DD112976A1/xx unknown
-
1975
- 1975-07-18 RO RO7582895A patent/RO70481A/ro unknown
- 1975-08-19 PL PL18280375A patent/PL94230B1/pl unknown
- 1975-08-20 CS CS569675A patent/CS196563B1/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL94230B1 (enEXAMPLES) | 1977-07-30 |
| DD112976A1 (enEXAMPLES) | 1975-05-12 |
| RO70481A (ro) | 1981-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CS196563B1 (cs) | Způsob čištění aromatických uhlovodíků 1 | |
| DE3301995A1 (de) | Verfahren zur kristallisation von trimellithsaeure | |
| DE3325983C2 (enEXAMPLES) | ||
| EP0001999A1 (de) | Verfahren zur Gewinnung von Maleinsäureanhydrid aus Destillationsrückständen | |
| US3151154A (en) | Decolorizing phthalic acids | |
| FI66195B (fi) | Foerfarande foer nedsaettning av koncentration av en foerorening | |
| US2960533A (en) | Separation process for sebacic acid | |
| DE823445C (de) | Verfahren zur Herstellung von Carbodiimiden | |
| US1897110A (en) | Process of purifying phthalic anhydride | |
| US2511603A (en) | Resin acid nitrile | |
| DE1813391C3 (de) | Verfahren zur Herstellung von Phthalsäureanhydrid aus Phthalsäure | |
| CN108484384A (zh) | 利用马来酸废水制备富马酸的工艺 | |
| DE430076C (de) | Verfahren zur Alkoholherstellung aus Sulfitablauge | |
| DE2259502C2 (de) | Verfahren zur Gewinnung von gesättigten Dicarbonsäuren mit 4 bis 10 C-Atomen | |
| CS270548B1 (sk) | Sposob pripravy 2-atyl-6-metyl-N-/l'- -metoxy-2'-propyl/ anilinu | |
| US2854480A (en) | Process for the separation of polycarboxylic acids from mixtures containing the same | |
| AT275495B (de) | Verfahren zur Überführung von gesättigten Kohlenwasserstoffen in die entsprechenden Alkohole und Ketone | |
| AT228742B (de) | Verfahren zum Aufarbeiten von teilweise abgebauten Arbeitslösungen der Herstellung von Wasserstoffperoxyd nach dem Anthrachinonverfahren | |
| AT202974B (de) | Verfahren zur Herstellung von Alkaliperoxyden | |
| US754164A (en) | Process of making vanillin. | |
| DE890951C (de) | Verfahren zur Herstellung von reinem Adiponitril | |
| DE2307310A1 (de) | Verfahren zur reinigung von diaminomaleonitril | |
| AT230877B (de) | Verfahren zur Herstellung aromatischer Carbonsäuren | |
| AT242840B (de) | Verfahren zur Laugenbehandlung von säurehaltigen Mineralölen bzw. Mineralölfraktionen | |
| DE842047C (de) | Verfahren zur Herstellung von Fumarsaeure aus Maleinsaeureanhydrid enthaltenden Gasen, die durch katalytische Dampfphasenoxydation von organischen Verbindungen erhalten werden |