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FLUID–SOLID REACTORSA number of industrial reactors involve contact between a fluid (either a gas or a liquid) and solids. In these reactors, the fluid phase contacts the solid, which may be either stationary (in a fixed bed) or in motion (particles in a fluidized bed, moving bed, or a slurry). The solids may be a catalyst or a reactant (product). Catalyst and reactor selection and design largely depend upon issues related to heat transfer, pressure drop, and contacting of the phases. In many cases, continuous regeneration or periodic replacement of deteriorated or deactivated catalyst may be needed.
HETEROGENEOUS CATALYSTS Solid catalysts may have a homogeneous catalyst (or enzyme) or…
Dr. Don W. Green; Dr. Marylee Z. Southard: Perry's Chemical Engineers' Handbook, 9th Edition. FLUID–SOLID REACTORS, Chapter (McGraw-Hill Professional, 2019), AccessEngineering Export