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Reducing the agitat...
Reducing the agitation power consumption in anaerobic digestion of corn straw by adjusting the rheological properties
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- Liu, Yaoqian (författare)
- State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, China
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- Chen, Jingjing (författare)
- Luleå tekniska universitet,Energivetenskap,State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, China
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- Lu, Xiaohua (författare)
- Luleå tekniska universitet,Energivetenskap,State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, China
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- Ji, Xiaoyan (författare)
- Luleå tekniska universitet,Energivetenskap
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- Wang, Changsong (författare)
- State Key Laboratory of Material-Oriented Chemical Engineering, Nanjing Tech University, Nanjing, China
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(creator_code:org_t)
- Elsevier, 2019
- 2019
- Engelska.
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Ingår i: Energy Procedia. - : Elsevier. - 1876-6102. ; 158, s. 1267-1272
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Agitation power consumption (P) in the anaerobic digestion of biogas plants is a major part of the electric energy consumption. To reduce P by adjusting the rheological properties, in this work, the rheological properties of corn straw slurry were studied systematically with the consideration of the effects of TS, temperature and particle sizes. The P was calculated based on the rheological behaviour of corn straw slurry. The investigation shows that the thermophilic digestion is effective only for the slurry with a relatively high TS. The size-reduction is more effective at higher TS compared to the option of increasing temperature in order to improve the agitation power efficiency, and the value of P can be reduced by up to 48.11 %. Since the size-reduction can also increase the methane yield, the adjustment of particle sizes is a promising option to save P, especially at higher TS.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Nyckelord
- Rheological properties
- Corn straw
- Anaerobic digestion
- Agitation power consumption
- Energy Engineering
- Energiteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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