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A hybrid life-cycle assessment of CO2 Emissions of a PV water pumping system in China
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Energy Processes.
2014 (English)In: Energy Procedia, 2014, 2871-2875 p.Conference paper (Refereed)
Abstract [en]

To achieve both water conservation and climate change mitigation benefits, photovoltaic water pumping (PVWP) system, which employs solar energy to fuel the water pumping system, has been a widely adopted solar energy technology in the last two decades. Although the PVWP system is driven by direct renewable flux, and has no onsite CO2 emissions, there must be energy consumed during the production of PV modules and the operation of water pumping system. Thus, we estimated the CO2 emissions of a PVWP system in Inner Mongolia, China in a life cycle perspective. A hybrid Life Cycle Analysis (LCA), which combines process-sum and economic input-out analysis was employed to reduce uncertainty. Results show that PVWP is a good choice for carbon emission reduction with carbon sequestration benefit much higher than the lifetime carbon emissions. The largest emitters are PV module and engineering, which should be the focus of carbon management of PVWP system.

Place, publisher, year, edition, pages
2014. 2871-2875 p.
Keyword [en]
Carbon emission, Grassland, Hybrid life cycle analysis, PV water pumping system
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-167959DOI: 10.1016/j.egypro.2014.12.326ScopusID: 2-s2.0-84922372722OAI: diva2:817159
6th International Conference on Applied Energy, ICAE 2014, 30 May 2014 through 2 June 2014

QC 20150604

Available from: 2015-06-04 Created: 2015-05-22 Last updated: 2015-06-04Bibliographically approved

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Yan, Jinyue
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