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Swine manure/Crude glycerol co-liquefaction: Physical properties and chemical analysis of bio-oil product by Shuangning Xiu; Abolghasem Shahbazi; Vestel B. Shirley; Lijun Wang is a Engineering article available to read on EtoBox.

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The aim of this work was to investigate the principal structural and physico-chemical changes of bio-oils associated with liquefaction of swine manure with crude glycerol and its key fraction, free fatty acids. Bio-oils have been obtained from liquefaction processes at 340 °C. They were subjected to various physico-chemical characterization methods. FTIR data indicated a reduction in aliphatic structures and an increase in more oxidized and, probably, more polycondensed aromatic components resulting from the addition of crude glycerol to swine manure. GC-MS data indicated that the addition of crude glycerol facilitated the esterification reaction in sub-critical water to convert organic acids contained in bio-oil into various kinds of esters. The dynamic viscosity of bio-oil decreased dramatically by adding crude glycerol into the swine manure.

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Author

Shuangning Xiu; Abolghasem Shahbazi; Vestel B. Shirley; Lijun Wang

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0960-8524)

Published

2011

Language

EN

Field

Engineering (Physical Sciences)