CA1147341A - Process for producing pure nitriles - Google Patents
Process for producing pure nitrilesInfo
- Publication number
- CA1147341A CA1147341A CA000371425A CA371425A CA1147341A CA 1147341 A CA1147341 A CA 1147341A CA 000371425 A CA000371425 A CA 000371425A CA 371425 A CA371425 A CA 371425A CA 1147341 A CA1147341 A CA 1147341A
- Authority
- CA
- Canada
- Prior art keywords
- methyl
- process according
- temperature
- thiophene
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 150000002825 nitriles Chemical class 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 56
- QPJDMGCKMHUXFD-UHFFFAOYSA-N cyanogen chloride Chemical compound ClC#N QPJDMGCKMHUXFD-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000007789 gas Substances 0.000 claims abstract description 32
- 238000009833 condensation Methods 0.000 claims abstract description 25
- 230000005494 condensation Effects 0.000 claims abstract description 25
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims abstract description 22
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- -1 heteroaromatic nitriles Chemical class 0.000 claims abstract description 12
- 125000003118 aryl group Chemical group 0.000 claims abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 51
- QENGPZGAWFQWCZ-UHFFFAOYSA-N Methylthiophene Natural products CC=1C=CSC=1 QENGPZGAWFQWCZ-UHFFFAOYSA-N 0.000 claims description 37
- IWDCLRJOBJJRNH-UHFFFAOYSA-N p-cresol Chemical compound CC1=CC=C(O)C=C1 IWDCLRJOBJJRNH-UHFFFAOYSA-N 0.000 claims description 18
- 239000012495 reaction gas Substances 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 17
- XQQBUAPQHNYYRS-UHFFFAOYSA-N 2-methylthiophene Chemical compound CC1=CC=CS1 XQQBUAPQHNYYRS-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- URLKBWYHVLBVBO-UHFFFAOYSA-N Para-Xylene Chemical group CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 claims description 12
- 239000000376 reactant Substances 0.000 claims description 10
- 238000005406 washing Methods 0.000 claims description 10
- 238000009835 boiling Methods 0.000 claims description 9
- 239000011261 inert gas Substances 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000006227 byproduct Substances 0.000 claims description 5
- GWQOOADXMVQEFT-UHFFFAOYSA-N 2,5-Dimethylthiophene Chemical compound CC1=CC=C(C)S1 GWQOOADXMVQEFT-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- IVSZLXZYQVIEFR-UHFFFAOYSA-N m-xylene Chemical group CC1=CC=CC(C)=C1 IVSZLXZYQVIEFR-UHFFFAOYSA-N 0.000 claims description 4
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 4
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- MMZYCBHLNZVROM-UHFFFAOYSA-N 1-fluoro-2-methylbenzene Chemical compound CC1=CC=CC=C1F MMZYCBHLNZVROM-UHFFFAOYSA-N 0.000 claims description 2
- BTQZKHUEUDPRST-UHFFFAOYSA-N 1-fluoro-3-methylbenzene Chemical compound CC1=CC=CC(F)=C1 BTQZKHUEUDPRST-UHFFFAOYSA-N 0.000 claims description 2
- WRWPPGUCZBJXKX-UHFFFAOYSA-N 1-fluoro-4-methylbenzene Chemical compound CC1=CC=C(F)C=C1 WRWPPGUCZBJXKX-UHFFFAOYSA-N 0.000 claims description 2
- GPSFYJDZKSRMKZ-UHFFFAOYSA-N 3,4-dimethylthiophene Chemical compound CC1=CSC=C1C GPSFYJDZKSRMKZ-UHFFFAOYSA-N 0.000 claims description 2
- 125000002560 nitrile group Chemical group 0.000 claims description 2
- 229940078552 o-xylene Drugs 0.000 claims description 2
- 150000001491 aromatic compounds Chemical class 0.000 claims 2
- 150000002390 heteroarenes Chemical class 0.000 claims 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 21
- 229960000443 hydrochloric acid Drugs 0.000 description 16
- 235000011167 hydrochloric acid Nutrition 0.000 description 16
- SUSQOBVLVYHIEX-UHFFFAOYSA-N phenylacetonitrile Chemical compound N#CCC1=CC=CC=C1 SUSQOBVLVYHIEX-UHFFFAOYSA-N 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000004821 distillation Methods 0.000 description 12
- 239000012043 crude product Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 229960005419 nitrogen Drugs 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000004448 titration Methods 0.000 description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 6
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- AYKYOOPFBCOXSL-UHFFFAOYSA-N (4-hydroxyphenyl)acetonitrile Chemical compound OC1=CC=C(CC#N)C=C1 AYKYOOPFBCOXSL-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 4
- 229940012189 methyl orange Drugs 0.000 description 4
- 238000006386 neutralization reaction Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- CLSHQIDDCJTHAJ-UHFFFAOYSA-N 2-thienylacetonitrile Chemical compound N#CCC1=CC=CS1 CLSHQIDDCJTHAJ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- 150000001340 alkali metals Chemical class 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011552 falling film Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- RNHKXHKUKJXLAU-UHFFFAOYSA-N 2-(4-methylphenyl)acetonitrile Chemical compound CC1=CC=C(CC#N)C=C1 RNHKXHKUKJXLAU-UHFFFAOYSA-N 0.000 description 2
- NWPNXBQSRGKSJB-UHFFFAOYSA-N 2-methylbenzonitrile Chemical compound CC1=CC=CC=C1C#N NWPNXBQSRGKSJB-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- NEBPTMCRLHKPOB-UHFFFAOYSA-N 2,2-diphenylacetonitrile Chemical compound C=1C=CC=CC=1C(C#N)C1=CC=CC=C1 NEBPTMCRLHKPOB-UHFFFAOYSA-N 0.000 description 1
- GWZCLMWEJWPFFA-UHFFFAOYSA-N 2-thiophen-3-ylacetonitrile Chemical compound N#CCC=1C=CSC=1 GWZCLMWEJWPFFA-UHFFFAOYSA-N 0.000 description 1
- VCZNNAKNUVJVGX-UHFFFAOYSA-N 4-methylbenzonitrile Chemical compound CC1=CC=C(C#N)C=C1 VCZNNAKNUVJVGX-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 241000577218 Phenes Species 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000007962 benzene acetonitriles Chemical class 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 150000003613 toluenes Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D333/00—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
- C07D333/02—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
- C07D333/04—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
- C07D333/06—Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
- C07D333/24—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803006424 DE3006424A1 (de) | 1980-02-21 | 1980-02-21 | Verfahren zur gewinnung reiner nitrile |
| DEP3006424.5 | 1980-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1147341A true CA1147341A (en) | 1983-05-31 |
Family
ID=6095143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000371425A Expired CA1147341A (en) | 1980-02-21 | 1981-02-20 | Process for producing pure nitriles |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4390706A (en:Method) |
| EP (1) | EP0034763B1 (en:Method) |
| JP (1) | JPS56128747A (en:Method) |
| AT (1) | ATE4053T1 (en:Method) |
| CA (1) | CA1147341A (en:Method) |
| DE (2) | DE3006424A1 (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3717434C1 (de) * | 1987-05-23 | 1988-09-15 | Degussa | Verfahren zur Herstellung von m-Trifluormethylphenylacetonitril |
| CA2794002A1 (en) * | 2007-08-16 | 2009-02-19 | Lonza Ltd | Process for recrystallizing alkali metal and alkaline earth metal tricyanomethanides |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2553404A (en) * | 1950-04-08 | 1951-05-15 | American Cyanamid Co | Preparation of aralkyl cyanides |
| US2606917A (en) * | 1951-06-29 | 1952-08-12 | American Cyanamid Co | Preparation of nitriles |
| CH582655A5 (en:Method) * | 1973-10-18 | 1976-12-15 | Lonza Ag | |
| DE2854210C2 (de) | 1978-12-15 | 1984-08-09 | Degussa Ag, 6000 Frankfurt | Verfahren zur Herstellung von aromatisch oder heteroaromatisch substituierten Acetonitrilen |
-
1980
- 1980-02-21 DE DE19803006424 patent/DE3006424A1/de not_active Withdrawn
-
1981
- 1981-02-12 AT AT81100973T patent/ATE4053T1/de not_active IP Right Cessation
- 1981-02-12 DE DE8181100973T patent/DE3160544D1/de not_active Expired
- 1981-02-12 EP EP81100973A patent/EP0034763B1/de not_active Expired
- 1981-02-18 JP JP2160981A patent/JPS56128747A/ja active Granted
- 1981-02-19 US US06/235,985 patent/US4390706A/en not_active Expired - Fee Related
- 1981-02-20 CA CA000371425A patent/CA1147341A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56128747A (en) | 1981-10-08 |
| EP0034763A3 (en) | 1981-09-09 |
| DE3006424A1 (de) | 1981-09-03 |
| EP0034763A2 (de) | 1981-09-02 |
| JPH0156063B2 (en:Method) | 1989-11-28 |
| DE3160544D1 (en) | 1983-08-11 |
| US4390706A (en) | 1983-06-28 |
| ATE4053T1 (de) | 1983-07-15 |
| EP0034763B1 (de) | 1983-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6332949B1 (en) | Method for upgrading used sulfuric acids | |
| CA1130818A (en) | Process for separation and purification of dihydric phenols | |
| EP0031097B1 (en) | Method for distilling ethyl alcohol | |
| CA1147341A (en) | Process for producing pure nitriles | |
| US5801266A (en) | Method for producing acrylonitrile | |
| US3846253A (en) | Distillation of chlorinated hydrocarbons with alkali metal material addition | |
| CA2093004C (en) | Process for the purification of hydroxypivalyl hydroxypivalate | |
| US4090922A (en) | Carrier-vapor distillation | |
| US2719169A (en) | Method of refining crude acrylonitrile | |
| US3758572A (en) | Process for recovering urea from pyrolysis systems | |
| EP0424436B1 (en) | Process for the production of anhydrous oxime from an aqueous solution | |
| US4008241A (en) | Nicotinamide production | |
| JP2001002638A (ja) | 高純度ピロリドン類の製造方法 | |
| FI90656B (fi) | Menetelmä 2-(4-isobutyylifenyyli)-propionihapon puhdistamiseksi | |
| CA1142962A (en) | Process for producing malonic dinitrile | |
| JPH01211544A (ja) | ビスフェノールａの製造方法 | |
| JPS6048505B2 (ja) | アクリロニトリルおよびメタクリロニトリルの回収および精製 | |
| US3761472A (en) | Continuous process for the production of cyanuric chloride | |
| CA1067674A (en) | Process for producing cyanogen chloride and hydrogen chloride | |
| US6521097B2 (en) | Process for separating hydrogen chloride from a mixture comprising an N-alkyl-2-pyrrolidone and hydrogen chloride | |
| JPS6127938A (ja) | ソルビン酸の製法 | |
| JPS6160623A (ja) | ｔ−ブチルスチレンの精製法 | |
| US3154588A (en) | Recovery of acetaldehyde | |
| US5271811A (en) | Process for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum distillation | |
| EP0113185B1 (en) | Selective bromination process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |