Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment
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Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment
Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment
中国化学工程学报(英文版)2010年18卷第5期 页码:837-842
Affiliations:
1. Key Laboratory of Industrial Biotechnology, Ministry of Education,Wuxi,China,214122
2. Fermentation and Ecological Engineering Laboratory (FEEL), School of Biotechnology, Jiangnan University,Wuxi,China,214122
Author bio:
Funds:
Supported by the National High Technology Research and Development Program of China (2008AA10Z338);the National Natural Science Foundation of China (20906041)
Considering limited success in target-hitting discharge from alcohol industry
our attention was directed toward a recycling use of distillery spentwash (DS) in cassava bioethanol production by using a two-stage up-flow anaerobic sludge blanket bioremediation (TS-UASBB). With the TS-UASBB
SO
4
-2
COD
N and P in the effluent from the DS degraded significantly and their concentrations were kept at 0.2 g·L
-1
2.0 g·L
-1
1.0 g·L
-1
and 15 mg·L
-1
respectively
in 13 batch processes for water-recycled ethanol fermentation. With the effluent used directly as dilution water
no heat-resistant bacteria were found alive. The thirteen-batch ethanol production individually achieved 10% after 48 h fermentation. The starch utilization ratio and total sugar consumption were 90% and 99.5%
respectively. The novel water-recycled bioethanol production process with ethanol fermentation and TS-UASBB has a considerable potential in other starchy and cellulosic ethanol production.
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相关作者
Jingyun Liu
Yin Zhang
Wenda Liu
Haoji Jiang
Lu Han
Zeyi Xiao
Senqing Fan
张成明
相关机构
School of Chemical Engineering, Sichuan University
The Key Laboratory of Industrial Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University