Journal
BIORESOURCE TECHNOLOGY
Volume 100, Issue 2, Pages 942-947Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2008.07.061
Keywords
Cotton stalks; Air gasification; Pyrolysis; Kinetics; Syngas
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In the present study, the potential of cotton stalks utilization for H-2 and syngas production with respect to Co-2 mitigation, by means of thermocheMical conversion (pyrolysis and gasification) was investigated. Pyrolysis was conducted at temperature range of 400-760 degrees C and the main parametric study concerned the effect of temperature on pyrolysis product distribution. Atmospheric pressure, air gasification at 750950 degrees C for various lambda (0.02-0.07) was also studied. Experimental results showed that high temperature favors gas production in both processes; while low), gasification gave high gas yield. Syngas (CO and H-2) Was increased with temperature, while CO2 followed an opposite trend. By pyrolysis, higher H-2 concentration in the produced gas (similar to 39% v/v) was achieved and at the same time lower amounts of CO2 produced, compared to air gasification. (C) 2008 Published by Elsevier Ltd.
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