An innovative technique to suppress alkene-bond in green diesel by Mg–Fe basic soap thermal decarboxylation (original) (raw)

International journal of ambient energy, 2017

Abstract

ABSTRACT The catalytic effect of magnesium and magnesium–zinc or copper(II), iron(III), aluminium(III), chromium(III) metal combination on ratio of the alkane to 1-alkenes and carbon number distribution in the green diesel product from metal basic soaps’ decarboxylation has been studied. Palm stearin was chosen as a model compound to produce metal basic soaps. Batch decarboxylation of metal basic soap was conducted at 350°C and atmospheric pressure for 3 h. Ratio of alkane to 1-alkene at the green diesel product was found following this order: Mg–Fe (14.6%) > Mg–Al (11.8%) > Mg–Cu (10.1%) > Mg–Zn (4.7%) > Mg–Cr (3.1%) > Mg (2.9%). Mg–Fe metal combination was preferable because it has high selectivity to alkane and capable of suppressing the 1-alkane formation during the metal basic soap decarboxylation process.

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