IMPROVED BIOTECHNOLOGICAL PROCESS OF ACRYLAMIDE PRODUCING Russian patent published in 2000 - IPC

Abstract RU 2146291 C1

FIELD: biotechnology. SUBSTANCE: portion of acrylonitrile is dissolved in tap or distilled water, pH 6.8-7.8 and then portion of biocatalyst that is the concentrated suspension of biomass of the strain Rhodococcus rhodochrous M8 or Rhodococcus rhodochrous M3 in water is added. Each the following portion of acrylonitrile is dissolved in reaction mixture after the complete or almost complete utilization of early added substrate in reaction. Then the next portion of biocatalyst is added. Process is carried out at continuous stirring and maintaining the reaction temperature at the range from 20 to 32 C. Reaction time is 4-6 h. Catalyst consumption as measured for the parent water volume is 0.25-0.51 g/l. After termination of process solutions containing acrylamide at concentration up to 330 g/l are obtained. EFFECT: simplified system of acrylonitrile feeding, controlled content of acrylonitrile in reaction mixture. 3 ex

Similar patents RU2146291C1

Title	Year	Author	Number
METHOD OF ACRYLAMIDE PREPARING	1996	Debabov V.G. Voronin S.P. Kozulin S.V. Sinolitskij M.K. Kozulina T.N. Poljanskij A.B. Sintin A.A. Janenko A.S. Bajburdov T.A. Khorkin A.A. Lujksaar I.V. Reshetnikova L.V. Fedchenko N.N.	RU2077588C1
BACTERIAL STRAIN RHODOCOCCUS AETHERIVORANS OF RUSSIAN CLASSIFICATION OF MICROORGANISMS BKM AC-2610D - PRODUCER OF NITRILE HYDRASE, METHOD OF ITS CULTIVATION AND METHOD OF PRODUCTION OF ACRYLAMIDE	2012	Kozulin Sergej Vladimirovich Kozulina Tat'Jana Nikolaevna Kozulin Aleksej Sergeevich	RU2520870C1
METHOD FOR PRODUCTION OF ACRYLIC MONOMERS AND BACTERIUM STRAIN RHODOCOCCUS RHODOCHROUS PRODUCING THE SAME	2006	Janenko Aleksandr Stepanovich Larikova Galina Andreevna Gerasimova Tat'Jana Vasil'Evna Leonova Tat'Jana Evgen'Evna Poljakova Inga Nikolaevna Debabov Vladimir Georgievich	RU2304165C1
STRAIN OF BACTERIUM RHODOCOCCUS RHODOCHROUS - A PRODUCER OF NITRILE HYDRATASE	1993	Janenko A.S. Astaurova O.B. Voronin S.P. Gerasimova T.V. Kirsanov N.B. Paukov V.N. Poljakova I.N. Debabov V.G.	RU2053300C1
BIOTECHNOLOGICAL METHOD OF ACRYLAMIDE CONCENTRATED SOLUTION PREPARING	1997	Kuz'Mitskij G.Eh. Fedchenko N.N. Alikin V.N. Fedchenko V.N. Voronin S.P.	RU2112804C1
METHOD OF PRODUCING IMMOBILISED BIOCATALYST AND METHOD OF PRODUCING AQUEOUS AMIDE SOLUTIONS WITH USING THIS BIOCATALYST	2007	Maksimov Aleksandr Jur'Evich Demakov Vitalij Alekseevich Maksimova Julija Gennad'Evna Olontsev Valentin Fedorovich	RU2352635C2
RHODOCOCCUS RHODOCHROUS NCIMB 41164 STRAIN AND USE THEREOF AS NITRILE HYDRASE PRODUCER	2004	Kh'Juz Dzhonatan Armitejdzh Ivonna Kullar Dzhejtinder Grinkhal St'Juart	RU2403280C2
STRAIN OF BACTERIUM ALCALIGENES DENITRIFICANS AS NITRILASE PRODUCER	2001	Poltavskaja S.V. Kozulina T.N. Singirtsev I.N. Kozulin S.V. Voronin S.P.	RU2177034C1
BIOTECHNOLOGICAL METHOD OF ACRYLAMIDE AQUEOUS SOLUTION PREPARING	2001	Bajburdov T.A. Andreeva N.A. Tarasova V.I. Stupen'Kova L.L. Khorkin A.A.	RU2196825C2
BIOTECHNOLOGICAL METHOD OF OBTAINING ACRYLAMIDE	2011	Bajburdov Tel'Man Andreevich Stupen'Kova Ljudmila Leonidovna Belova Taisija Pavlovna Tarasova Valentina Ivanovna	RU2468084C1

RU 2 146 291 C1

Authors

Kozulin S.V.

Litvinov O.V.

Sintin A.A.

Singirtsev I.N.

Sinolitskij M.K.

Voronin S.P.

Dates

2000-03-10—Published

1998-12-17—Filed