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Using the test system for the microwave pyrolysis of scrap tires, the effects of different factors on the production characteristics of limonene in oils were investigated. The results showed that the optimum processing parameters for the production of limonene were the specific microwave power of 15 W/g, the weight hourly space velocity of 3.75 h−1, the tire particle size of 0.6 mm, and the absence...
The pyrolytic performance of tire powder treated under different specific microwave powers (SMP), powers per 1 g sample, (9, 15, and 24 W/g) was investigated. The experimental results show that the pyrolysis level of tire powder was enhanced with increasing SMP. The maximum yields of liquid product (45%) and gas product (18.5%) were obtained at 15 and 24 W/g, respectively. In addition, the conversion...
Considering the global energy and environment crisis, biomass energy is a major research focus. Gasification is a commonly used biomass energy conversion technology, but it inevitably yields tar as a by-product, accompanied by many hazards. This study investigates the use of microwave metal discharge as an energy-efficient alternative to current technologies for processing and treating tar from biomass...
Microwave heating technology has been used in many fields as a means of selective, volumetric, and instantaneous heating. In the process, input electrical energy is first converted to microwave energy, which is then absorbed by a dielectric medium and changed into thermal energy (effective heat). The energy utilization efficiency of this process is of particular concern because it provides an important...
To improve the lipid accumulation of diatom cells, Nitzschia sp. was mutated by 60Co-γ-ray irradiation and cultivated with high salinity. The biomass and lipid yields of Nitzschia sp. mutated by 60Co-γ-ray irradiation at 900 Gy were increased by 53.8% and 28.1%, respectively. The lipid content of Nitzschia sp. mutant cells cultivated with gradually increased salinity of up to 30‰ was increased from...
This paper presents a long-term cost analysis of wind power and compares its competitiveness to non-renewable generating technologies. The analysis considers several important attributes related to wind intermittency that are sometimes ignored in traditional generation planning or LCOE (levelized cost of energy) studies, including the need for more nameplate capacity due to intermittency, hourly fluctuations...
In this work, a dynamic model of an integrated autothermal reformer (ATR) and proton exchange membrane fuel cell (PEM FC) system and model-based evaluation of its dynamic characteristics are presented. The ATR reforms JP5 fuel into a hydrogen rich flow. The hydrogen is extracted from the reformate flow by a separator membrane (SEP), then supplied to the PEM FC for power generation. A catalytic burner...
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