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Author: search.filters.author.Sooraksa, PitikhateSubject: search.filters.subject.Microwave heating

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    Design, fabrication and operation of continuous microwave biomass carbonization system
    (2014-06-01)
    Payakkawan, Poomyos
    ;
    Areejit, Suwilai
    ;
    Sooraksa, Pitikhate
    This paper presents a new design and the fabrication of biomass carbonization system using microwave heating. The heating system employs multi-feed microwave generators with 8.5kW maximum power and 2.458GHz frequency for uniform heating distribution in a 0.847m<sup>3</sup> cylindrical low cement castable reactor. The experiment entails the carbonization of 58,800kg of coconut shell for 7 days. Afterward, the charcoal and wood vinegar yields are analyzed; meanwhile, uncondensed gases are treated to fuel the engine-generator system. The results show that the proposed approach greatly saves the production time of charcoal yields and allows ease of temperature control. © 2013 Elsevier Ltd.
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    Novel microwave carbonization system for coconut shells
    (2013-10-07)
    Payakkawan, Poomyos
    ;
    Areejit, Suwilai
    ;
    Sooraksa, Pitikhate
    This paper presented a novel heating technique of biomass carbonization system using microwave radiation. The heating system employs multi-feed microwave generators for uniform heating distribution without stirrer mechanism in a 0.847 m<sup>3</sup> cylindrical low cement castable reactor. The experiment entailed the carbonization of 3,500 kg of coconut shell at 450°C for 10 hr. Afterward, the charcoal and wood vinegar yields were analyzed; meanwhile, uncondensed gases were treated to fuel the engine-generator system. The results show that the proposed approach greatly saves the production time of charcoal yields and allows ease of control. © (2013) Trans Tech Publications, Switzerland.