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Home » Special Focus: Advancements in Microwave Heating Technology
Microwave heating is being investigated as an alternative to traditional gas and electric heating sources in many industrial processes, offering an opportunity to reduce process times and costs.
Man's desire to use and manipulate materials has driven the need for industrial heating methods. In the Iron Age, fire was used to melt, shape and temper metals, and pottery was developed for smelting, as well as cooking. Wood, peat and coal were the first energy sources used to fire pottery, glass and metals at elevated temperatures. Later, man learned to harness oil, gas, solar, wind and nuclear power, and also developed electric heating processes including resistance, induction, infrared, and more recently, radio frequency. Each heating technology occupies a needed place, but there is still room for improvement in speed, efficiency, and delivering energy directly in to the workpiece. Microwaves already are used extensively in the mass-production food industry. The next step is the use of microwave heating technology for industrial processes beyond cooking and drying.