Abstract
A new biomass, wheat straw residue (WSR) from ethanol production by solid-state fermentation was pyrolyzed in a fixed-bed at different temperatures 250–550 °C for 40 min with vacuum of 5 mmHg. The gas, oil and solid residue from pyrolysis process were investigated. GC analysis indicated that the pyrolyzed non-condensable gases mainly contained CO, CO 2, H 2, CH 4, C 2H 4 and C 2H 6. The HPLC analysis showed that glycolic acid (about 70% of water-soluble organic acids) in the oil was a major component.
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