Regenerative heat recovery has many industrial applications such in VOC treatment of automobile painting booth. A generalized thermal regeneration process coupled with a process and a pre-process was reviewed. Heat transfer and energy balance of the processes were analyzed and heat gain in the cycles is presented with relation to the efficiency of the regenerator. Applications in regenerative thermal oxidizer are discussed. It was found that in applications when the recovery efficiency is increased to 90%, the system in operation can save tremendous amount of burner heat and can have excess amount of heat recovery that could be used in other applications.
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