Particle Size Effect on Supercritical Water Oxidation- Wheat Straw Particles 951739

For Supercritical Water Oxidation (SCWO), particle size is a key factor effecting requirements for feed preparation, slurry concentration and pumping, rate of reaction, and reactor size. To address these issues, an experimental research program was undertaken to evaluate the effect of particle size on the reaction kinetics in SCWO of solid particulates (wheat straw and cellulose particles in this case). The experiments also included evaluation of the effects of temperature, pressure, and agitation. Some corrosion data were obtained. A two-step reaction mechanism was revealed. Empirically based mathematical relationships were developed that can be used for SCWO system design.


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