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Gas-solid flow occurs in many industrial furnaces operations. The majority of chemical engineering units operations, such as drying, separation, adsorption, pneumatic conveying, fluidization and filtration involve gas-solid flow. Poor powder handling in an industrial furnace operation may result in a bad furnace performance, causing errors in the mass balance, erosion caused by particles impacts in the pipelines, attrition and elutriation of fines overloading the bag houses. The lack of a good gas-solid flow rate measurement can cause economic and environmental problem due to airborne. The chapter is focused on the applications of powder handling related with furnaces of the aluminum smelters processes such as anode baking furnace and electrolytic furnace (cell) to produce primary aluminum. The anode baking furnace illustrated in figure 1 is composed by sections made up of six cells separated by partitions flue walls through which the furnace is fired to bake the anodes. The cell is about four meters deep and accommodates four layers of three anode blocks, around which petroleum coke is packed to avoid air oxidation and facilitate the heat transfer. During the baking process, the gases released are exhausted to the fume treatment center

Gas-Solid Flow Applications for Powder Handling in Industrial Furnaces Operations