SU266652A1 - - Google Patents
Info
- Publication number
- SU266652A1 SU266652A1 SU1178910A SU1178910A SU266652A1 SU 266652 A1 SU266652 A1 SU 266652A1 SU 1178910 A SU1178910 A SU 1178910A SU 1178910 A SU1178910 A SU 1178910A SU 266652 A1 SU266652 A1 SU 266652A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- xylene
- decomposition
- fluoride
- pressure
- hydrogen fluoride
- Prior art date
Links
- 239000008096 xylene Substances 0.000 description 29
- 238000000354 decomposition reaction Methods 0.000 description 20
- 229910015900 BF3 Inorganic materials 0.000 description 16
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 16
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 15
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 15
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 12
- 238000000034 method Methods 0.000 description 12
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 12
- 150000003738 xylenes Chemical class 0.000 description 12
- 238000009835 boiling Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000004821 distillation Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical group CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 206010062717 Increased upper airway secretion Diseases 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- 208000026435 phlegm Diseases 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Publications (1)
Publication Number | Publication Date |
---|---|
SU266652A1 true SU266652A1 (enrdf_load_stackoverflow) |
Family
ID=
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3591490A (en) | Process of separating pure aromatic hydrocarbons from hydrocarbon mixtures | |
US2380019A (en) | Azeotropic distillation | |
US3510405A (en) | Isoprene purification process | |
US3860496A (en) | Process for the recovery of isoprene from mixtures containing the same | |
US3317627A (en) | High purity alkadienes by extractive distillation | |
SU485588A3 (ru) | Способ выделени ароматических углеводородов из углеводородных смесей | |
SU266652A1 (enrdf_load_stackoverflow) | ||
US2417635A (en) | Refining of crude acrylonitrile | |
US2600106A (en) | Removal of diolefin polymers from extractive distillation solvent | |
SU466651A3 (ru) | Способ выделени циклопентена | |
US3252997A (en) | Purification of sulfolane compounds | |
US3725255A (en) | Process for separating aromatic hydrocarbons from mixtures containingthem by liquid-liquid extraction and azeotropic distillation | |
US3496070A (en) | Purification of unsaturated hydrocarbons by extractive distillation with addition of liquid solvent to stripper overhead | |
US3674883A (en) | Recovering cyclopentadiene values from c{11 {11 fractions | |
US4394220A (en) | Process for rectification of propane nitration stream | |
US2878166A (en) | Refining of acrylonitrile | |
US3328268A (en) | Continuous recovery of acrylonitrile and acetonitrile from mixtures by plural extractive distillation with water | |
US2653904A (en) | Process for refining chlorinated benzenes | |
US2431655A (en) | Method of decolorizing aromatic hydrocarbons | |
US2313538A (en) | Distillation of benzene fractions | |
US2313537A (en) | Recovery of xylene from oils containing the same | |
US3725256A (en) | Process for separating aromatic hydrocarbons from mixtures thereof with paraffins and naphthene hydrocarbons | |
CA1055876A (en) | Process for the separation of aromatic hydrocarbons from a mixed hydrocarbon feedstock | |
US4897182A (en) | Aromatic extraction process having improved water stripper | |
US2742411A (en) | Recovery of furfural in extractive distillation purification of cyclic hydrocarbons |