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Manipulation of ultrasonic effects on lignocellulose by varying the frequency, particle size, loading and stirring.

Bussemaker, MJ, Xu, F and Zhang, D (2013) Manipulation of ultrasonic effects on lignocellulose by varying the frequency, particle size, loading and stirring. Bioresour Technol, 148. pp. 15-23.

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Abstract

The parameters, including ultrasonic frequency, still versus stirring, biomass particle size and biomass loading were concurrently investigated for the ultrasonic treatment of wheat straw. Experiments were conducted at three different frequencies; 40, 376, and 995kHz using three different solid to liquid ratios, 1/50, 1/20, and 1/15(g/ml), with and without mechanical stirring. Additional treatments in different particle size ranges, 0-0.5, 0.5-1, and 1-2mm were performed at the solid to liquid ratio of 1/20(g/ml). Fractionation was improved at 40 and 995kHz via different mechanisms. Delignification was favored at the ultrasonic treatment frequency of 40kHz, biomass loading 1/20(g/ml) with stirring and particle size range of 0.5-1mm. However at 995kHz carbohydrate solubilization was favored, especially in the particle size range of <0.5mm. The treatment efficacies highlighted the use of ultrasound for physical and chemical effects at different frequencies.

Item Type: Article
Authors :
NameEmailORCID
Bussemaker, MJm.bussemaker@surrey.ac.ukUNSPECIFIED
Xu, FUNSPECIFIEDUNSPECIFIED
Zhang, DUNSPECIFIEDUNSPECIFIED
Date : November 2013
Identification Number : 10.1016/j.biortech.2013.08.106
Uncontrolled Keywords : Fractionation, Lignocellulose, Pretreatment, Sonochemistry, Ultrasound
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:03
Last Modified : 17 May 2017 15:08
URI: http://epubs.surrey.ac.uk/id/eprint/837748

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