BE500654A - - Google Patents

Info

Publication number

BE500654A

BE500654A BE500654DA BE500654A BE 500654 A BE500654 A BE 500654A BE 500654D A BE500654D A BE 500654DA BE 500654 A BE500654 A BE 500654A

Authority

BE

Belgium

Prior art keywords

column

columns

distillation

process according

fractions

Prior art date

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• 238000004821 distillation Methods 0.000 claims description 16
• 238000000034 method Methods 0.000 claims description 15
• 238000010438 heat treatment Methods 0.000 claims description 9
• 239000011280 coal tar Substances 0.000 claims description 8
• 238000001704 evaporation Methods 0.000 claims description 3
• 230000008020 evaporation Effects 0.000 claims description 3
• 238000009833 condensation Methods 0.000 claims 1
• 230000005494 condensation Effects 0.000 claims 1
• 239000000470 constituent Substances 0.000 description 22
• 239000011269 tar Substances 0.000 description 19
• 238000009835 boiling Methods 0.000 description 16
• CWRYPZZKDGJXCA-UHFFFAOYSA-N acenaphthene Chemical compound C1=CC(CC2)=C3C2=CC=CC3=C1 CWRYPZZKDGJXCA-UHFFFAOYSA-N 0.000 description 4
• 238000000354 decomposition reaction Methods 0.000 description 4
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 238000004090 dissolution Methods 0.000 description 3
• 238000010992 reflux Methods 0.000 description 3
• GZSUIHUAFPHZSU-UHFFFAOYSA-N 9-ethyl-2,3-dihydro-1h-carbazol-4-one Chemical compound C12=CC=CC=C2N(CC)C2=C1C(=O)CCC2 GZSUIHUAFPHZSU-UHFFFAOYSA-N 0.000 description 2
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical class C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 2
• HXGDTGSAIMULJN-UHFFFAOYSA-N acetnaphthylene Natural products C1=CC(C=C2)=C3C2=CC=CC3=C1 HXGDTGSAIMULJN-UHFFFAOYSA-N 0.000 description 2
• 238000001816 cooling Methods 0.000 description 2
• 239000013078 crystal Substances 0.000 description 2
• 238000002425 crystallisation Methods 0.000 description 2
• 230000008025 crystallization Effects 0.000 description 2
• 238000004519 manufacturing process Methods 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• 239000002904 solvent Substances 0.000 description 2
• 239000002253 acid Substances 0.000 description 1
• 150000007513 acids Chemical class 0.000 description 1
• 230000006978 adaptation Effects 0.000 description 1
• 230000003749 cleanliness Effects 0.000 description 1
• 238000010924 continuous production Methods 0.000 description 1
• 238000000605 extraction Methods 0.000 description 1
• 238000000895 extractive distillation Methods 0.000 description 1
• 210000000540 fraction c Anatomy 0.000 description 1
• 239000003077 lignite Substances 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 239000003921 oil Substances 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 238000005070 sampling Methods 0.000 description 1
• 238000001577 simple distillation Methods 0.000 description 1
• 235000011121 sodium hydroxide Nutrition 0.000 description 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1