Influence of thermal and mass transfer, the properties of steam-oxygen oxidizer and structure of coke on the composition of the generating synthesis-gas at the gasification of fuel

Roman N. Aryukov, Alexander N. Subbotin

Research output: Contribution to journalArticle

Abstract

A mathematical model of the solid fuel conversion process which is used to analyze the synthesis-gas that is the result of coke gasification is proposed. During the conversation of coke in an environment of high-Temperature water vapor, synthesis-gas consisting of hydrogen, oxide and carbon dioxide is obtained. That is shown in the article. Hydrogen in the produced gas at any oxidizer temperatures is always over 50% of total volume. The ratio of oxide and carbon dioxide depends on the temperature of the oxidant. The lower the oxidant temperature, the greater the proportion of carbon monoxide. It is established that it is economically more advantageous to use water vapor with the addition of oxygen as an oxidizer in the gasification of fuel. With the use of such an oxidizer, synthesis-gas consisting of 100% of the combustion gas is obtained. The temperature of the steam-oxygen oxidant after the fuel has ignited can be significantly reduced practically before the beginning of the process of vapor condensation. The synthesis-gas produced in this gasification process will contain in volume proportions about 25% hydrogen and 75% carbon monoxide.

Original languageEnglish
Article number01005
JournalMATEC Web of Conferences
Volume110
DOIs
Publication statusPublished - 19 Jun 2017
EventInternational Youth Scientific Conference on Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment, HMTTSC 2017 - Tomsk, Russian Federation
Duration: 26 Apr 201728 Apr 2017

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Synthesis gas
Steam
Gasification
Coke
Mass transfer
Oxygen
Oxidants
Chemical analysis
Carbon Monoxide
Carbon Dioxide
Carbon monoxide
Hydrogen
Water vapor
Carbon dioxide
Temperature
Gases
Oxides
Condensation
Vapors
Hot Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Engineering(all)
  • Materials Science(all)

Cite this

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title = "Influence of thermal and mass transfer, the properties of steam-oxygen oxidizer and structure of coke on the composition of the generating synthesis-gas at the gasification of fuel",
abstract = "A mathematical model of the solid fuel conversion process which is used to analyze the synthesis-gas that is the result of coke gasification is proposed. During the conversation of coke in an environment of high-Temperature water vapor, synthesis-gas consisting of hydrogen, oxide and carbon dioxide is obtained. That is shown in the article. Hydrogen in the produced gas at any oxidizer temperatures is always over 50{\%} of total volume. The ratio of oxide and carbon dioxide depends on the temperature of the oxidant. The lower the oxidant temperature, the greater the proportion of carbon monoxide. It is established that it is economically more advantageous to use water vapor with the addition of oxygen as an oxidizer in the gasification of fuel. With the use of such an oxidizer, synthesis-gas consisting of 100{\%} of the combustion gas is obtained. The temperature of the steam-oxygen oxidant after the fuel has ignited can be significantly reduced practically before the beginning of the process of vapor condensation. The synthesis-gas produced in this gasification process will contain in volume proportions about 25{\%} hydrogen and 75{\%} carbon monoxide.",
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N2 - A mathematical model of the solid fuel conversion process which is used to analyze the synthesis-gas that is the result of coke gasification is proposed. During the conversation of coke in an environment of high-Temperature water vapor, synthesis-gas consisting of hydrogen, oxide and carbon dioxide is obtained. That is shown in the article. Hydrogen in the produced gas at any oxidizer temperatures is always over 50% of total volume. The ratio of oxide and carbon dioxide depends on the temperature of the oxidant. The lower the oxidant temperature, the greater the proportion of carbon monoxide. It is established that it is economically more advantageous to use water vapor with the addition of oxygen as an oxidizer in the gasification of fuel. With the use of such an oxidizer, synthesis-gas consisting of 100% of the combustion gas is obtained. The temperature of the steam-oxygen oxidant after the fuel has ignited can be significantly reduced practically before the beginning of the process of vapor condensation. The synthesis-gas produced in this gasification process will contain in volume proportions about 25% hydrogen and 75% carbon monoxide.

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