Factors affecting the microwave coking of coals and the implications on microwave cavity design
Binner, Eleanor and Medeira-Munoyerro, Maria and Huddle, Thomas and Kingman, S.W. and Dodds, Chris and Dimitrakis, G. and Robinson, John P. and Lester, Edward (2014) Factors affecting the microwave coking of coals and the implications on microwave cavity design. Fuel Processing Technology, 125 . pp. 8-17. ISSN 0378-3820
The work carried out in this paper assessed how processing conditions and feedstock affect the quality of the coke produced during microwave coke making. The aim was to gather information that would support the development of an optimised microwave coke making oven. Experiments were carried out in a non-optimised 2450 MHz cylindrical cavity. The effect of treatment time (15–120 min), power input (750 W–4.5 kW) and overall power input (1700–27,200 kWh/t) on a range of coals (semi-bituminous–anthracite) was investigated. Intrinsic reactivity, random reflectance, strength index and dielectric properties of the produced cokes were compared with those of two commercial cokes to assess the degree of coking produced in the microwave system.
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