Pb-237 Gasification rate of glycine in supercritical water
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Glycine, model compound of protein, was gasified in supercritical water at 500?650 ℃, 25 MPa, using a tubular reactor. Glycine concentration of 1.0?5.0 wt% and residence time or 63?188 s were employed. Activated carbon of 0.5 wt% was used as a catalyst. Product gas was analyzed by gas chromatograph (GC), and the effluent liquid was analyzed by total organic carbon analyzer (TOC). Higher glycine concentration resulted in lower gasification efficiency, but at low concentration of 1.0 wt%, first order reaction well expressed the gasification behavior. Activated carbon was not effective for glycine gasification. Pre-exponential factor of 2.73×10^4 s^<-1> and activation energy of 106.9 kJ/mol were obtained.
- 2012-12-25
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