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Catalytic effects of eggshell ash on the conversion of used engine oil to fuel by pyrolysis
(Taylor and Francis, 2022) Zerdane, Youghourta; Largeau, Jean François; Hachemi, Madjid; Tazerout, Mohand
The objective of this work is to recycle used engine oil until it is converted into an alterna- tive fuel by catalytic pyrolysis. The effect of using eggshell ash as a catalyst in pyrolysis reac- tions on the yield of the resulting fractions was investigated. In addition, the influence of this catalyst on the compositions and the quality of the non-condensable gas and liquid fractions were analyzed. The results show that the liquid fraction recovered 97.02%wt; with 20%wt of the catalyst is predominant. The detection of aromatics 15.84%wt, olefins 32.74%wt, naphthenic 2.82%wt, paraffins 29.00%wt, and alcohols 20.50%wt, in the pyrolytic liquid and the observation of H2 15.22%wt, CH4 16.65%wt and other elements such as C4H8 21.93%wt in non-condensable gases, make it possible to predict the good usability of these products obtained as an alternative fuel.