Other

Viktor Efimovich Sheinin

Ramiz G Rizaev

Zemfira Jusif Magerramova

Mirabdulla Mirakhmed Mirataev

Soltan Dzhafarovich Mekhtiev

Jury N Litvishkov

Murshud Sary Rafiev

Geibat Nagmetovich Suleimanov

Roida Jusuf Magerramova

Adilya Shir Novruzova

Sekher G Gusein-Zade

Tofik S Farzullaev

Idris Aslan Guseinov

Fikret Dzhabrail Guseinov

Nazaket M Ilyasova

The present invention relates to methods for preparing aromatic nitriles and, more specifically, to a method for preparing phthalonitriles. The present method for preparing phthalonitriles resides in subjecting xylene to oxidative ammonolysis at a temperature of 340.degree. to 480.degree. C. in the presence of a catalyst having the following composition (in weight percent):

Method for preparing phthalonitriles

A process for producing benzonitrile which comprises reacting toluene with ammonia in the presence of oxygen or a mixture thereof with inert gases and a catalyst; as the latter use is made of a mixture of oxides of vanadium, chromium, antimony and bismuth taken in a molar ratio of 1-10:1-20:1-10: 1-15 respectively deposited onto a carrier. The process is effected at a temperature within the range of from 340.degree. to 480.degree. C, followed by isolation of the desired product. The present invention makes it possible to substantially increase the output of benzonitrile from one liter of the catalyst per hour due to an increased capacity and selectivity of the catalyst.

Process for producing benzonitrile

A process for producing phthalonitrile, which comprises reacting o-xylene with ammonia in the presence of oxygen or a mixture thereof with inert gases and a catalyst; as the latter use is made of a mixture of oxides of bismuth, antimony, molybdenum and chromium taken in a molar ratio of 1-15:1-10:0.5-5:0.5-20 respectively or a mixture of oxides of bismuth, antimony, molybdenum and vanadium taken in a molar ratio of 1-20:1-10:0.1-15:1-20 respectively deposited onto a support.

Process for producing phthalonitrile

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Viktor Efimovich Sheinin