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Abstract <p>For a specially designed bioreactor intended for the cultivation of methanotrophic bacteria, a structural modification of its main working element: the ejector used to additionally supply the culture with gas-feed components (oxygen and methane), is proposed. Tests were carried out to determine the main operating modes that yield maximum process productivity. The paper presents a comparative characterization of process parameters (pressure and composition of the oxygen-containing gas) in the bioreactor when using the ejector in two different design variants. During the tests, the growth-limiting factor of carbon dioxide concentration was taken into account, and methods to improve the efficiency of the fermentation process were employed.</p>

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Selection of Modes of Cultivation of Methane-Oxidizing Bacteria in a Bioreactor with a Modified Ejector

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • V. M. Kochetkov,
  • I. S. Gaganov,
  • D. V. Tolkin,
  • A. V. Lukanin,
  • P. A. Nyun’kov

摘要

Abstract

For a specially designed bioreactor intended for the cultivation of methanotrophic bacteria, a structural modification of its main working element: the ejector used to additionally supply the culture with gas-feed components (oxygen and methane), is proposed. Tests were carried out to determine the main operating modes that yield maximum process productivity. The paper presents a comparative characterization of process parameters (pressure and composition of the oxygen-containing gas) in the bioreactor when using the ejector in two different design variants. During the tests, the growth-limiting factor of carbon dioxide concentration was taken into account, and methods to improve the efficiency of the fermentation process were employed.