Characterization of bio-oil from induction-heating pyrolysis of food-processing sewage sludges using chromatographic analysis

Potential source of bio-fuel from pyrolysis of treated sewage sludge

“…The water content was quite high, probably was due to the loss of volatile matter. The results were comparable to the previous study by Tsai et al, [15] in which moisture content was in the range of 72-90 wt %. Water in sewage sludge did not only contain free water but also bound water.…”

“…The results volatile matter and ash conten The two properties influenced [15], where the bio-oil yield increased and the ash content d…”

Qualitative and quantitative analysis of pyrolysis oil by gas chromatography with flame ionization detection and comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry

“…A production method of pyrolytic liquids with the application of induction-heating, has been reported for sewage sludge from food processing factories in an externally heated fixed-bed reactor by Tsai et al [21]. The latter samples from the pyrolysis of industrial sewage sludge using induction-heating technique, were analyzed by GC-MS by Tsai et al [22]. Through py-GC-MS Bayerbach and Meier characterized pyrolytic lignins in the water insoluble fraction [23].…”

Compostos Obtidos Com a Pirólise Rápida De Lodo De Esgoto Anaeróbio E Possíveis Aplicações

“…Esterificação também é outra opção. O ácido acético se faz presente em grande quantidade como produto resultante da parcela celulósica da biomassa, embora a maior quantidade de ácidos produzidos foi de cadeia longa, normalmente de C 12 -C 18 , conforme descrito na literatura (POKORNA et al, 2009;SANCHÉZ et al, 2009;TSAI et al, 2009). Juntos, eles são responsáveis pela acidez do bio-óleo produzido do lodo.…”

“…Como o lodo é constituído principalmente de materiais orgânicos não-digeridos (ex. celulose), compostos inorgânicos e constituintes microbiológicos (proteínas, carboidratos, lipídeos e ácidos nucléicos), sua degradação térmica permite a obtenção de produtos como: hidrocarbonetos (alifáticos e aromáticos), compostos fenólicos, ácidos carboxílicos, nitrilas, aminas, cetonas, alcoóis, aldeídos, ésteres e éteres (SANCHÉZ et al, 2009;TSAI et al, 2009).…”