Abstract
The main aim of this study was to investigate the composition of products from the pyrolysis of rapeseed oil cake in a fixed bed reactor at 400, 450, 500, 700 and 900 °C. The gas products mainly consisted of CO 2, CO, CH 4 and H 2S at 500 °C. Empirical formula of bio-oil from the pyrolysis of rapeseed oil cake was CH 1.59O 0.16N 0.116S 0.003 for 500 °C. Bio-oils mainly contained oleic acid, 1 H-indole, 2,3,5-trimethoxy toluene, toluene, ( Z)-9-octadecanamide, psoralene, phenol and phenol derivatives at all pyrolysis temperatures. Both non-aromatic and aromatic hydrocarbon compounds were determined in water phase of liquid product by Headspace-GC analysis. The heating values of bio-chars were found to be similar (24 MJ kg −1) at all pyrolysis temperatures.
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