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Long-term evaluation of a fixed dome Janata biogas plant in hilly conditions
被引:40
|作者:
Kalia, AK
[1
]
Kanwar, SS
[1
]
机构:
[1] HP Krishi Vishvaviduyalaya, Dept Agr Engn, Palampur 176062, Himachal Prades, India
关键词:
Janata;
fixed dome;
biogas;
digester;
D O I:
10.1016/S0960-8524(98)00021-2
中图分类号:
S2 [农业工程];
学科分类号:
0828 ;
摘要:
A 3 m(3) fixed dome Janata biogas plans installed in the hilly conditions of Himachal Pradesh was evaluated for its gas production efficiency for nearly 10 years. The monthly variation in the mean ambient temperature affected its digester temperature and hence, rate of gas production. The average rate of daily gas production from the plant with daily feed rate of 20 kg cattle dung/m(3) rated capacity of the plans consistently decreased year after year: This decrease in the rate of daily gas production for the quarter representing the peak summer months was more compared to the rate for the quarter representing winter months. The decrease in gas production was due to lumps of digested slurry formed in the digester To maintain consistent higher rate of gas production the plant needs cleaning every fifth year. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
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页码:61 / 63
页数:3
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