Kinetics on a Second Scale at Temperatures up to 2300 K—The Reduction of Manganese Oxide in a Solar Furnace
Testing the chemical stability of high-performance ceramics at temperatures above 1800 K is a demanding task. With the aim to provide an experimental set-up for kinetic studies on gas releasing reactions at temperatures up to 2300 K, a solar reactor has been interfaced to a mass spectrometer. Tracer experiments revealed that the reactor behaves as a continuous ideally stirred tank. This characteristic provides a straightforward path to extract kinetic data for such reactions from gas-phase analysis. The approach is demonstrated by presenting results of a study on the solar thermal reduction of manganese oxide at 2200 K.
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Document Type: Research Article
Affiliations: Laboratory for High-Temperature Solar Technology, Paul Scherrer Institut, 5232 Villigen PSI, Switzerland
Publication date: November 1, 2005