The energy-saving characteristic of silica gel regeneration with high-intensity ultrasound

Weijiang Zhang, Ye Yao, Beixing He and Rongshun Wang

Applied Energy, 2011, vol. 88, issue 6, 2146-2156

Abstract: The energy-saving characteristic of silica gel regeneration with power ultrasonic was analyzed by introducing the conception of specific energy consumption. For the purpose, the experiments of silica gel regeneration with 21-kHz power ultrasound were performed under different drying air temperatures (i.e., 35, 45, 55 and 65 °C) combined with different acoustic power levels (i.e., 0, 20, 40 and 60 W). And the energy saving ratios of the ultrasonic-assisted regeneration were studied by the method of ANOVA (Analysis of Variance) and compared among different conditions. The influences of acoustic power and drying air temperature as well as the target moisture ratio (at which the regeneration process ended) on the total specific energy consumption (TSEC) and the excess specific energy consumption (ESEC) were also discussed. The results indicate that all the factors (drying temperature, ultrasonic power level and the interaction between the drying temperature and the power level) have a significant (PÂ

Keywords: Silica; gel; Ultrasound; Regeneration; Specific; energy; consumption; Drying; Energy; saving (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (7)

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