BE548336A - - Google Patents
Info
- Publication number
- BE548336A BE548336A BE548336DA BE548336A BE 548336 A BE548336 A BE 548336A BE 548336D A BE548336D A BE 548336DA BE 548336 A BE548336 A BE 548336A
- Authority
- BE
- Belgium
- Prior art keywords
- glycol
- water
- ethylene glycol
- crude
- color
- Prior art date
Links
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 71
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000004821 distillation Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 150000002334 glycols Chemical class 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical class OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000006227 byproduct Substances 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 yarns Substances 0.000 description 2
- 241000238876 Acari Species 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012505 colouration Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- GXHHIADRYRRMMX-UHFFFAOYSA-N ethane-1,2-diol;lead Chemical compound [Pb].OCCO GXHHIADRYRRMMX-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- GYDJEQRTZSCIOI-LJGSYFOKSA-N tranexamic acid Chemical compound NC[C@H]1CC[C@H](C(O)=O)CC1 GYDJEQRTZSCIOI-LJGSYFOKSA-N 0.000 description 1
- 229960000401 tranexamic acid Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE548336A true BE548336A (d) |
Family
ID=174974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE548336D BE548336A (d) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE548336A (d) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2408569A1 (fr) * | 1977-11-14 | 1979-06-08 | Halcon Res & Dev | Procede de purification d'alkylene-glycols |
-
0
- BE BE548336D patent/BE548336A/fr unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2408569A1 (fr) * | 1977-11-14 | 1979-06-08 | Halcon Res & Dev | Procede de purification d'alkylene-glycols |
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