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A client needed a compact dryer for removing moisture from wood chips fed into a downdraft gasifier. A cross-flow moving bed dryer was designed that required no moving parts other than commercial conveyors feeding and unloading the dryer. The dryer was about 35% smaller than anticipated from eight proposed competitive dryers.
I've worked on spray dryers of every scale. I have developed an innovative process for producing free-flowing, spray-dried powders. I am excited to own an autographed copy of Keith Masters' Spray Drying Handbook.
The key to wet pelletization is to ensure that the flow rates of liquid and solids are steady so that the optimal level of saturation is maintained. Using air assistance, I was able to provide a steady feed of fumed silica into a pin mixer without a scale to measure the loss in weight of the contents of the hopper.
My design of a moving bed heat exchanger for a concentrated solar power application and predicted temperature profiles are shown in the adjacent figure.
I am designing a moving bed reactor for continuous surface treatment of nanoparticles.