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BECCS with combined...
BECCS with combined heat and power : Assessing the energy penalty
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- Gustafsson, Kåre (author)
- KTH,Hållbarhet och miljöteknik,Stockholm Exergi, Stockholm, Sweden.
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- Sadegh-Vaziri, Ramiar (author)
- KTH,Kemiteknik
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- Grönkvist, Stefan, 1970- (author)
- KTH,Energiprocesser
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- Levihn, Fabian, 1983- (author)
- KTH,Industriell ekonomi och organisation (Inst.),Stockholm Exergi, Stockholm, Sweden
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- Sundberg, Cecilia (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,KTH,Resurser, energi och infrastruktur,Swedish Univ Agr Sci SLU, Dept Energy & Technol, Uppsala, Sweden,Institutionen för energi och teknik,Department of Energy and Technology,Royal Institute of Technology (KTH)
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(creator_code:org_t)
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- Elsevier BV, 2021
- 2021
- English.
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In: International Journal of Greenhouse Gas Control. - : Elsevier BV. - 1750-5836 .- 1878-0148. ; 108
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Abstract
Subject headings
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- Bio-energy with carbon capture and storage (BECCS) is widely recognised as an important carbon dioxide removal technology. Nevertheless, BECCS has mostly failed to move beyond small-scale demonstration units. One main factor is the energy penalty incurred on power plants. In previous studies, this penalty has been determined to be 37.2 %?48.6 % for the amine capture technology. The aim of this study is to quantify the energy penalty for adding the hot potassium carbonate (HPC) capture technology to a biomass-fired combined heat and power (CHP) plant, connected to a district heating system. In this context, the energy driving the capture process is partly recovered as useful district heating. Therefore, a modified energy penalty is proposed, with the inclusion of recovered heat. This inclusion is especially meaningful if the heat has a substantial monetary value. The BECCS system is examined using thermodynamic analysis, coupled with modelling of the capture process in Aspen PlusTM. Model validation is performed with data from a BECCS test facility. The results of this study show that the modified energy penalty is in the range of 2%?4%. These findings could potentially increase the attractiveness of BECCS as a climate abatement option in a district heating CHP setting.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Naturresursteknik -- Energisystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Environmental Engineering -- Energy Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Energiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Energy Engineering (hsv//eng)
Keyword
- Bio-energy with carbon capture and storage
- (BECCS)
- CO2 capture
- Combined heat and power
- Energy penalty
- Chemical absorption
- (K2CO3)
- Modelling and simulation
Publication and Content Type
- ref (subject category)
- art (subject category)
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