Hydrogen production by two-stage co-pyrolysis of bituminous coal-polymers mixtures

Hydrogen production by two-stage co-pyrolysis of bituminous coal-polymers mixtures

The two stage co-pyrolysis method for obtaining of hydrogen is described. In the course of the heating of the mixture of bituminous coal with polyisoprene and styrene-butadiene polymers (co-pyrolysis), a considerable amount of hydrogen and hydrocarbons is released in dependence on the process condit...

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Veröffentlicht in:Acta geodynamica et geomaterialia 2008-01, Vol.5 (1), p.77
Hauptverfasser: Straka, Pavel, Kriz, Vlastimil
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Sprache:eng
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Analysis
Bituminous coal
Coal
Elastomers
Polymers
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Kriz, Vlastimil
description The two stage co-pyrolysis method for obtaining of hydrogen is described. In the course of the heating of the mixture of bituminous coal with polyisoprene and styrene-butadiene polymers (co-pyrolysis), a considerable amount of hydrogen and hydrocarbons is released in dependence on the process conditions. The experiments proved that the amount of hydrogen increased already with slightly increased heating rate (5 K [min.sup.-1]) in comparison with the amount obtained at a common heating rate (3 K [min.sup.-1]) and, further, with the addition of the second (cracking) stage for further thermal splitting of released hydrocarbons into hydrogen (and carbon), preferably at a temperature of 1200 [degrees]C. KEYWORDS: co-pyrolysis, coal, polymers, hydrogen
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In the course of the heating of the mixture of bituminous coal with polyisoprene and styrene-butadiene polymers (co-pyrolysis), a considerable amount of hydrogen and hydrocarbons is released in dependence on the process conditions. The experiments proved that the amount of hydrogen increased already with slightly increased heating rate (5 K [min.sup.-1]) in comparison with the amount obtained at a common heating rate (3 K [min.sup.-1]) and, further, with the addition of the second (cracking) stage for further thermal splitting of released hydrocarbons into hydrogen (and carbon), preferably at a temperature of 1200 [degrees]C. 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In the course of the heating of the mixture of bituminous coal with polyisoprene and styrene-butadiene polymers (co-pyrolysis), a considerable amount of hydrogen and hydrocarbons is released in dependence on the process conditions. The experiments proved that the amount of hydrogen increased already with slightly increased heating rate (5 K [min.sup.-1]) in comparison with the amount obtained at a common heating rate (3 K [min.sup.-1]) and, further, with the addition of the second (cracking) stage for further thermal splitting of released hydrocarbons into hydrogen (and carbon), preferably at a temperature of 1200 [degrees]C. 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In the course of the heating of the mixture of bituminous coal with polyisoprene and styrene-butadiene polymers (co-pyrolysis), a considerable amount of hydrogen and hydrocarbons is released in dependence on the process conditions. The experiments proved that the amount of hydrogen increased already with slightly increased heating rate (5 K [min.sup.-1]) in comparison with the amount obtained at a common heating rate (3 K [min.sup.-1]) and, further, with the addition of the second (cracking) stage for further thermal splitting of released hydrocarbons into hydrogen (and carbon), preferably at a temperature of 1200 [degrees]C. KEYWORDS: co-pyrolysis, coal, polymers, hydrogen</abstract><pub>Akademie Ved Ceske Republiky, Ustav Struktury a Mechaniky Hornin</pub></addata></record>
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subjects Analysis
Bituminous coal
Coal
Elastomers
Polymers
title Hydrogen production by two-stage co-pyrolysis of bituminous coal-polymers mixtures
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