Abstract
A DuPont 950 TG has been modified to permit operation at up to 30 atm, 1100°C, with corrosive atmospheres, and steam partial pressures up to 20 atm. The major areas of instrument development included: weight and temperature measurement at high pressures in a dynamic flow system; modification of a TG to accept corrosive gas atmospheres containing high partial pressures of steam; design of a pressure balanced flow system for safe introduction of corrosive gas atmospheres; design of a working steam generation system for low flows. Process studies illustrating the utility of the high presure thermobalance include the cyclic CO 2-acceptor reaction for half-calcined dolomite ▪ and the cyclic H 2S absorption and regeneration reaction for half-calcined dolomite ▪
Published Version
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