Decomposition of cellulose by ultrasonic welding in water

Shinfuku Nomura, Seiya Miyagawa, Shinobu Mukasa, Hiromichi Toyota

doi:10.7567/jjap.55.07ke02

Decomposition of cellulose by ultrasonic welding in water

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説明

<jats:title>Abstract</jats:title> <jats:p>The use of ultrasonic welding in water to decompose cellulose placed in water was examined experimentally. Filter paper was used as the decomposition material with a horn-type transducer 19.5 kHz adopted as the ultrasonic welding power source. The frictional heat at the point where the surface of the tip of the ultrasonic horn contacts the filter paper decomposes the cellulose in the filter paper into 5-hydroxymethylfurfural (5-HMF), furfural, and oligosaccharide through hydrolysis and thermolysis that occurs in the welding process.</jats:p>