BE504718A - - Google Patents
Info
- Publication number
- BE504718A BE504718A BE504718DA BE504718A BE 504718 A BE504718 A BE 504718A BE 504718D A BE504718D A BE 504718DA BE 504718 A BE504718 A BE 504718A
- Authority
- BE
- Belgium
- Prior art keywords
- acetylene
- catalyst
- hydrocyanic acid
- gas
- acid
- Prior art date
Links
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 claims description 144
- 239000003054 catalyst Substances 0.000 claims description 70
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 68
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 68
- 238000010521 absorption reaction Methods 0.000 claims description 32
- -1 acrylic nitrile Chemical class 0.000 claims description 27
- 239000000203 mixture Substances 0.000 claims description 27
- 230000015572 biosynthetic process Effects 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 19
- 238000003786 synthesis reaction Methods 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 11
- 150000002825 nitriles Chemical class 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 66
- 238000006243 chemical reaction Methods 0.000 description 31
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 239000006096 absorbing agent Substances 0.000 description 12
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 11
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 11
- 229940045803 cuprous chloride Drugs 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- XLJMAIOERFSOGZ-UHFFFAOYSA-N cyanic acid Chemical compound OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 206010011224 Cough Diseases 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical class Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- DOBRDRYODQBAMW-UHFFFAOYSA-N copper(i) cyanide Chemical compound [Cu+].N#[C-] DOBRDRYODQBAMW-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/08—Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds
- C07C253/12—Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds to compounds containing carbon-to-carbon triple bonds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE504718A true BE504718A (cs) |
Family
ID=145480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE504718D BE504718A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE504718A (cs) |
-
0
- BE BE504718D patent/BE504718A/fr unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1077058A (fr) | Procede de recuperation de l'acide acetique a partir de ses solutions aqueuses de faible concentration | |
| CN112010733B (zh) | 一种3,4,5-三氟溴苯的制备方法 | |
| CN1234022A (zh) | 尿素制备方法 | |
| CN112457153B (zh) | 2,4,5-三氟苯乙酸的工业化制备方法 | |
| US20100234653A1 (en) | Processes for making alkyl halides | |
| FR2523567A1 (fr) | Procede de fabrication de sulfate de potassium | |
| BE504718A (cs) | ||
| FR2488887A1 (fr) | Procede pour purifier l'hexamethylenediamine | |
| FR2489323A1 (fr) | Procede de production d'uree | |
| JPH01261339A (ja) | フッ化芳香族類の製造方法 | |
| BE505732A (cs) | ||
| JP7090646B2 (ja) | メチオニンの製造方法 | |
| CN88102855A (zh) | 制造尿素的方法和装置的改进 | |
| OA10553A (fr) | Procédé de purification par extraction d'un milieuliquide | |
| US2692276A (en) | Process for the manufacture of acrylonitrile | |
| WO2007034066A1 (fr) | Synthese de la methionine a partir de 2-hydroxy-4- (methylthio)butyronitrile, co2, nh3 et h2o en continu et sans isoler de produits intermediaires | |
| CH276719A (fr) | Procédé de préparation de la méthionine. | |
| FR2589469A1 (fr) | Procede de preparation de l'acide valproique | |
| CN118159513A (zh) | 制备高纯度(甲基)丙烯酸的方法 | |
| EP0018931A1 (fr) | Préparation de benzoxazolone | |
| BE481294A (cs) | ||
| EP1121343B1 (fr) | Procede de preparation d'hydrazine | |
| CN111517966A (zh) | 一种合成对异丁氧基苄胺的方法 | |
| CH245988A (fr) | Procédé de préparation de l'acide 11-amino-undécylique. | |
| BE871155A (fr) | Procede de preparation de composes azoiques |