Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment

孙付保; 毛忠贵; 张建华; 张宏建; 唐蕾; 张成明; 张静; 翟芳芳

doi:10.1016/S1004-9541(09)60136-1

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Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment

Updated：2026-01-06

- Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment
- Chinese Journal of Chemical Engineering Vol. 18, Issue 5, Pages: 837-842(2010)
- 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：
- DOI：10.1016/S1004-9541(09)60136-1
  CLC：
- Published：2010
- Accepted：
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SUN Fubao, MAO Zhonggui, ZHANG Jianhua, ZHANG Hongjian, TANG Lei, ZHANG Chengming, ZHANG Jing, ZHAI Fangfang. Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment[J]. , 2010, 18(5): 837-842.
DOI：

SUN Fubao, MAO Zhonggui, ZHANG Jianhua, ZHANG Hongjian, TANG Lei, ZHANG Chengming, ZHANG Jing, ZHAI Fangfang. Water-recycled Cassava Bioethanol Production Integrated with Two-stage UASB Treatment[J]. , 2010, 18(5): 837-842. DOI： 10.1016/S1004-9541(09)60136-1.

摘要

Abstract

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

-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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