BE479850A - - Google Patents
Info
- Publication number
- BE479850A BE479850A BE479850DA BE479850A BE 479850 A BE479850 A BE 479850A BE 479850D A BE479850D A BE 479850DA BE 479850 A BE479850 A BE 479850A
- Authority
- BE
- Belgium
- Prior art keywords
- alcohol
- naphthalene
- crystals
- cold
- impure
- Prior art date
Links
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 69
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 239000013078 crystal Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 10
- 150000001298 alcohols Chemical class 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 description 4
- 239000011280 coal tar Substances 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011269 tar Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Water Supply & Treatment (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE479850A true BE479850A (cg-RX-API-DMAC10.html) |
Family
ID=127231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479850D BE479850A (cg-RX-API-DMAC10.html) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE479850A (cg-RX-API-DMAC10.html) |
-
0
- BE BE479850D patent/BE479850A/fr unknown
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