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 (fr) | 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 (fr) |
| DD (1) | DD112976A1 (fr) |
| PL (1) | PL94230B1 (fr) |
| RO (1) | RO70481A (fr) |
-
1974
- 1974-08-20 DD DD18060674A patent/DD112976A1/xx unknown
-
1975
- 1975-07-18 RO RO7582895A patent/RO70481A/fr 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 |
|---|---|
| RO70481A (fr) | 1981-07-30 |
| PL94230B1 (fr) | 1977-07-30 |
| DD112976A1 (fr) | 1975-05-12 |
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