by-product formed during bio-diesel production, will develop into an attractive
alternative energy source in the near future. A low temperature process is being developed
using noble metal catalysts supported on oxides. The reaction was performed in a fixed bed
reactor at 2250
C and 29 bar. The gaseous products were analyzed by on-line GC, the liquid
phase products by GCMS/FID.
Highly dispersed noble metal catalysts on alumina were studied for reforming of an
aqueous glycerin solution (1 wt%). Over 0.8% wt Pt/Al2O3 the conversion of glycerin was
99% and the selectivity to hydrogen was above 90% with only small amounts of methanol,
ethanol, acetic acid, propanol, acetol, ethylene glycol and propylene glycol being formed.
The gaseous products contained hydrogen (69 mol%), carbon dioxide (9 mol%) and methane
(2 mol%) as shown in figure 1. The concentration of carbon monoxide was less than 500
ppm, indicating that the catalyst and the conditions were effective for reforming and the
subsequent water gas-shift reaction.
by-product formed during bio-diesel production, will develop into an attractive
alternative energy source in the near future. A low temperature process is being developed
using noble metal catalysts supported on oxides. The reaction was performed in a fixed bed
reactor at 2250
C and 29 bar. The gaseous products were analyzed by on-line GC, the liquid
phase products by GCMS/FID.
Highly dispersed noble metal catalysts on alumina were studied for reforming of an
aqueous glycerin solution (1 wt%). Over 0.8% wt Pt/Al2O3 the conversion of glycerin was
99% and the selectivity to hydrogen was above 90% with only small amounts of methanol,
ethanol, acetic acid, propanol, acetol, ethylene glycol and propylene glycol being formed.
The gaseous products contained hydrogen (69 mol%), carbon dioxide (9 mol%) and methane
(2 mol%) as shown in figure 1. The concentration of carbon monoxide was less than 500
ppm, indicating that the catalyst and the conditions were effective for reforming and the
subsequent water gas-shift reaction.
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