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  1. 学術雑誌掲載済論文
  2. 洋雑誌

Effect of Ambient Temperature on the Energy Balance of Anaerobic Digestion Plants

https://kitami-it.repo.nii.ac.jp/records/7591
0b374d98-92fb-4797-bda2-dcda82beee51
名前 / ファイル ライセンス アクション
No33.pdf No33.pdf (817.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-02-25
タイトル
言語 en
タイトル Effect of Ambient Temperature on the Energy Balance of Anaerobic Digestion Plants
言語
言語 eng
キーワード
主題Scheme Other
主題 Biomass
キーワード
主題Scheme Other
主題 Biogas
キーワード
主題Scheme Other
主題 Anaerobic Digestion
キーワード
主題Scheme Other
主題 Ambient Temperature
キーワード
主題Scheme Other
主題 Energy Balance
キーワード
主題Scheme Other
主題 Net Energy
資源タイプ
資源 http://purl.org/coar/resource_type/c_6501
タイプ journal article
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 BASRAWI, Firdaus

× BASRAWI, Firdaus

WEKO 38777

en BASRAWI, Firdaus

Search repository
YAMADA, Takanobu

× YAMADA, Takanobu

WEKO 38778

en YAMADA, Takanobu

Search repository
NAKANISHI, Kimio

× NAKANISHI, Kimio

WEKO 38779

en NAKANISHI, Kimio

Search repository
抄録
内容記述タイプ Abstract
内容記述 In recent years, production of biogas by an anaerobic digestion method has been reconsidered as an alternative means for producing clean fuel. Thus, research on various aspects of biogas production by anaerobic digestion has become important for its widespread utilization. One of the important aspects is energy balance of the process. The energy balance is affected by a heat demand, whereas the heat demand is affected by ambient temperature. In the present study, in order to clarify the effect of ambient temperature on the energy balance of anaerobic digestion, typical municipal sewage sludge anaerobic digestion in an actual wastewater treatment plant was adopted as analysis model and was studied under various temperature conditions. It was found that the heat demand for heating the sludge was temperature-dependent and that 26?39% of the total amount of heat demand was heat losses from digester tanks. From the energy balance, it was found that net energy can be produced by the anaerobic digestion in any region and season in Japan, and this shown that it has a possiblity to be a new energy resource. It was also shown that, when ambient temperature became closer to the digestion temperature, more efficient anaerobic digestion can be obtained. These results were confirmed by indexes of energy balance that were defined in this study, with notable proportional relations being found between indexes and ambient temperature. Ratio of energy of heat demand to biogas produced had an inverse proportional relation with ambient temperature, whereas ratio of energy of net energy to biogas produced had a proportional relation, and ranges of these values in all of Japan were 0.13?0.44 and 0.45?0.84, respectively.
書誌情報 Journal of Environment and Engineering

巻 5, 号 3, p. 526-538, 発行日 2010-11
権利
権利情報 Copyright c 2010 by The Japan Society of Mechanical Engineers
出版者
出版者 The Japan Society of Mechanical Engineers
著者版フラグ
値 publisher
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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