Promotion effects of ultrasound on sludge biodegradation by thermophilic bacteria Geobacillus stearothermophilus TP-12
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- 作者：Wan-Qian Guoa ; guowanqian@hit.edu.cn" class="auth_mail" title="E-mail the corresponding author ; He-Shan Zhenga ; Shuo Lia ; Shih-Hsin Hoa ; Shan-Shan Yanga ; Xiao-Chi Fenga ; Jo-Shu Changa ; b ; ; Xiang-Jing Wangc ; Nan-Qi Rena
- 关键词：Sludge ; Waste treatment ; Biodegradation ; Thermophiles ; Protease ; Low-frequency ultrasound
- 刊名：Biochemical Engineering Journal
- 出版年：2016
- 出版时间：15 January 2016
- 年：2016
- 卷：105
- 期：part_PA
- 页码：281-287
- 全文大小：885 K
文摘
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We isolated a bacterium which can secrete thermophilic proteolytic enzyme.
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The sludge hydrolysis by thermophilic bacteria was enhanced by ultrasound.
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The content of dissolved organic matter also could be increased simultaneously.
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The ultrasound parameters were optimized by RSM.