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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes
SJR: 0.176 SNIP: 0.48 CiteScore™: 1.3

ISSN Print: 1093-3611
ISSN Online: 1940-4360

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

DOI: 10.1615/HighTempMatProc.2014012582
pages 25-35

PLASMA-STEAM INTENSIFICATION OF THE HYDROGEN YIELD IN THE PROCESS OF WOOD AIR GASIFICATION

V. Zhovtyansky
Gas Institute of NAS of Ukraine, 39 Degtiarivska St., Kyiv, 03113, Ukraine
O. Dudnyk
Coal Energy Technology Institute of NAS of Ukraine, 19 Andriivska St., Kyiv, 04070, Ukraine
S. Petrov
Gas Institute of NAS of Ukraine, 39 Degtiarivska St., Kyiv, 03113, Ukraine
V. Verbovsky
Gas Institute of NAS of Ukraine, 39 Degtiarivska St., Kyiv, 03113, Ukraine
D. Rubets
Gas Institute of NAS of Ukraine, 39 Degtiarivska St., Kyiv, 03113, Ukraine
Mariia Yakymovych
Gas Institute of NAS of Ukraine, 39 Degtiarivska St., Kyiv, 03113, Ukraine

ABSTRACT

The steam plasma torch was used to reform the products of gasification at the outlet of the small-scale industrial downdraught air gasifier. This combination allows increasing essentially the hydrogen yield of the system. Pine (90 wt.%) and oak (10 wt.%) were used for air gasification. Additional yield of hydrogen was provided by plasma-steam conversion of unreacted organic products after air gasifier. A technique for evaluation of the effect of plasma-steam conversion of air gasification products on an increase of hydrogen yield is developed. An air gasifier with a thermal capacity up to 5 kW and a plasma torch with electric power of 0.4−1.9 kW were used. If the plasma torch electric power was 1.1−1.4 kW, the increase of hydrogen yield in the fuel gas was 1.5−2.1 times compared to the fuel gas after the air gasifier.


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