Ngā hua rapu - A. V. Timoshenko

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  1. 1
    SIMULATION AND OPTIMIZATION AS A TOOL FOR THE DEVELOPMENT OF HIGH EFFECTIVE TECHNOLOGICAL SCHEMES OF DISTILLATION

    SIMULATION AND OPTIMIZATION AS A TOOL FOR THE DEVELOPMENT OF HIGH EFFECTIVE TECHNOLOGICAL SCHEMES OF DISTILLATION mā A. V. Timoshenko, E. A. Anokhina

    I whakaputaina 2017-06-01

    Distillation is the most widely used methods to separate different industrial mixtures into pure components. This method has unfortunately been very energy intensive and requires a lot of heat. Mathematical modeling of the technological schemes of distillation is an effective method to improve exist...

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  2. 2
    ENERGy EFFICIENCy OF THE COMPLEX COLUMN FOR THE SEPARATION OF VAPOR CRACkING PRODUCTS UNDER THE DEPENDING ON FEED COMPOSITION

    ENERGy EFFICIENCy OF THE COMPLEX COLUMN FOR THE SEPARATION OF VAPOR CRACkING PRODUCTS UNDER THE DEPENDING ON FEED COMPOSITION mā S. O. Kocharyan, D. G. Rudakov, A. V. Timoshenko

    I whakaputaina 2017-06-01

    The dependence of the energy consumption decrease on the different feed composition for the separation of C4+ vapor cracking fraction by means of complex columns implementation is investigated. Distillation sequences consisting of simple columns and partially thermally coupled distillation columns a...

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  3. 3
    The energy saving extractive distillation flow sheets of cyclohexane – benzene – ethylbenzene – n-propylbenzene mixture with aniline as separating agent. II. Complexes with partially thermally coupled columns.

    The energy saving extractive distillation flow sheets of cyclohexane – benzene – ethylbenzene – n-propylbenzene mixture with aniline as separating agent. II. Complexes with partial... mā A. V. Makashova, L. V. Ivanova, A. V. Timoshenko

    I whakaputaina 2007-10-01

    Extractive distillation of cyclohexane – benzene – ethylbenzene – n-propylbenzene mixture with aniline as separating agent in complexes with partially thermally coupled columns was investigated. Manifold of the workable flow sheets were synthesized. Each flow sheet was optimized by the criteria of t...

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  4. 4
    The energy saving extractive distillation flow sheets of cyclohexane-benzene-ethylbenzene-n-propylbenzene mixture with aniline as separating agent. I – Complexes of the columns with two outlets

    The energy saving extractive distillation flow sheets of cyclohexane-benzene-ethylbenzene-n-propylbenzene mixture with aniline as separating agent. I – Complexes of the columns wit... mā A. V. Makashova, L. V. Ivanova, A. V. Timoshenko

    I whakaputaina 2006-06-01

    The extractive distillation was investigated of cyclohexane-benzene-ethylbenzene-npropylbenzene mixture with aniline as separating agent in the complexes of columns with two outlets. The manifold of the workable flow sheets was synthesized. The each flow sheet was optimized by the criteria of the sc...

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  5. 5
    Energy efficiency of complexes with partially coupled thermally and material flows for extractive distillation of methyl acetate – chloroform mixture

    Energy efficiency of complexes with partially coupled thermally and material flows for extractive distillation of methyl acetate – chloroform mixture mā E. A. Anokhina, E. L. Shleynikova, A. V. Timoshenko

    I whakaputaina 2013-04-01

    The extractive distillation of methyl acetate – chloroform mixture was studied with the application of three extracting agents (dimethyl formamide, ethylene glycol and dimethyl sulfoxide) in the two-column flowsheet and in the complex with the partially coupled heat and material flows (PCHMF). Optim...

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  6. 6
    Extractive distillation of acetone - methanol mixture with water as an extractive agent in partially thermally coupled columns

    Extractive distillation of acetone - methanol mixture with water as an extractive agent in partially thermally coupled columns mā E. A. Anokhina, Yu. I. Sidorova, A. V. Timoshenko

    I whakaputaina 2011-10-01

    Two different flow sheets of extractive distillation for separation of acetone - methanol various composition mixture with water as the extractive agent in the traditional two-column complex and in the partially thermally coupled columns is compared. It is shown, that the complex column provides eco...

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  7. 7
    Energy saving in the extractive distillation of isobutyl alcohol–isobutyl acetate with n-butyl propionate

    Energy saving in the extractive distillation of isobutyl alcohol–isobutyl acetate with n-butyl propionate mā P. S. Klauzner, D. G. Rudakov, E. A. Anokhina, A. V. Timoshenko

    I whakaputaina 2020-09-01

    Objectives. Determination of the effectiveness of using various types of heat pumps in the extractive distillation of an isobutyl alcohol–isobutyl acetate mixture with n-butyl propionate as the entrainer.Methods. As the main research method, mathematical modeling was performed using the Aspen Plus V...

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  8. 8
    Energy efficiency of diabatic distillation schemes for an acetone–toluene–n-butanol mixture with an entrainer in the first column

    Energy efficiency of diabatic distillation schemes for an acetone–toluene–n-butanol mixture with an entrainer in the first column mā P. S. Klauzner, D. G. Rudakov, E. A. Anokhina, A. V. Timoshenko

    I whakaputaina 2023-03-01

    Objectives. To investigate the effectiveness of various options for organizing the process of diabatic distillation in the separation of a mixture of acetone–toluene–n-butanol by extractive distillation (ED) with dimethylformamide as an entrainer in a scheme where an entrainer is used in the first c...

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  9. 9
    Optimal modes of side-section flow in heat-pump-assisted extractive distillation systems for separating allyl alcohol–allyl acetate mixtures with butyl propionate

    Optimal modes of side-section flow in heat-pump-assisted extractive distillation systems for separating allyl alcohol–allyl acetate mixtures with butyl propionate mā P. S. Klauzner, D. G. Rudakov, E. A. Anokhina, A. V. Timoshenko

    I whakaputaina 2021-07-01

    Objectives. To investigate the influence of side-section flow modes on the energy efficiency of a partially thermally coupled distillation sequence (PTCDS) with a vapor recompression heat pump for the extractive distillation of an allyl alcohol–allyl acetate mixture with n-butyl propionate and ident...

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  10. 10
    Application of diabatic extractive distillation schemes with preliminary separation of azeotropic components for separation of acetone-toluene-<i>n</i>-butanol mixture

    Application of diabatic extractive distillation schemes with preliminary separation of azeotropic components for separation of acetone-toluene-<i>n</i>-butanol mixture mā P. S. Klauzner, D. G. Rudakov, E. A. Anokhina, A. V. Timoshenko

    I whakaputaina 2023-05-01

    Objectives. The study aims to investigate the effectiveness of the use of various options for organizing the process of diabatic distillation in the separation of a mixture of acetone-toluene-n-butanol by extractive distillation using dimethylformamide as an entrainer in a scheme with preliminary se...

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  11. 11
    Efficiency increasing of Kuibyshevski refinery gas fractionation unit due to replacement of fractionation absorber to rectification column.

    Efficiency increasing of Kuibyshevski refinery gas fractionation unit due to replacement of fractionation absorber to rectification column. mā M. L. Golovanov, A. V. Oskirko, A. V. Timoshenko, E. N. Voronov

    I whakaputaina 2007-04-01

    The efficiency comparative analysis was carried out for fractionation absorber and rectification columns for feed deethanization at the Kuibyshevski Refinery gas fractionation unit for power inputs decreasing

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  12. 12
    Different flowsheets isoenergetic manifolds being generated in methanol – propylacetate – toluene extractive distillation with aniline.

    Different flowsheets isoenergetic manifolds being generated in methanol – propylacetate – toluene extractive distillation with aniline. mā B. B. Dolmatov, A. V. Timoshenko, A. G. Volkov, E. A. Anokhina

    I whakaputaina 2009-10-01

    This work is devoted for investigation of isocriterial manifolds and isocriterial fields arrangement into initial feed composition simplex. That fields and manifolds dividing of them are formed at methanol - n-propylacetat - toluene with aniline extractive distillation. Initial mixture contains one...

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  13. 13
    Extractive distillation of tetrahydrofuran–ethyl acetate–water mixture in schemes including columns with side sections and side draws

    Extractive distillation of tetrahydrofuran–ethyl acetate–water mixture in schemes including columns with side sections and side draws mā D. G. Rudakov, S. M. Kharlamov, P. S. Klauzner, E. A. Anokhina, A. V. Timoshenko

    I whakaputaina 2025-05-01

    Objectives. The work set out to evaluate the energy efficiency of using schemes including columns with side sections and side draws in the extractive distillation of tetrahydrofuran–ethyl acetate–water mixture with dimethyl sulfoxide as an entrainer.Methods. The main research method consisted of a c...

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  14. 14
    Power saving in distillation using complexes with coupled flows

    Power saving in distillation using complexes with coupled flows mā A. V. Timoshenko, E. A. Anokhina, D. G. Rudakov, V. S. Timofeev, G. I. Tatsievskaya, Yu. V. Matyushenkova

    I whakaputaina 2011-08-01

    The current state of distillation technologies based on the use of complexes with fully and partially bound threads is described. Data on the energy efficiency of complexes are presented.

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