Effects of Ultrasonic Treatment on Kraft Pulping of Bamboo |
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Authors: | Huang Cai-xia Li Zhen-qiu Lin Run-hui Zhang Yuan-jing Yu Guang |
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Affiliation: | 1. Chemical Engineering Academy, Qingdao University of Science and Technology, Qingdao 266042, China 2. Guangdong Industry Technical College, Guangzhou 510300, China; |
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Abstract: | By applying ultrasound at different stage of kraft pulping process, the properties of kraft pulp produced by ultrasonic treatment were studied and compared with those by conventional method. The results indicated that, while the performances of the pulp were close to conventional kraft pulp, the chemical-to-wood ratio decreased from 20% to 17.5%, cooking time was shortened from 140 to 120 min, and the yield increased. When the ultrasound came into play at the 90th minute during pulping process, the properti... |
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Keywords: | Ultrasonic treatment Kraft pulping Bamboo |
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