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Sci Total Environ


Title:A new NMVOC speciated inventory for a reactivity-based approach to support ozone control strategies in Spain
Author(s):Oliveira K; Guevara M; Jorba O; Querol X; Garcia-Pando CP;
Address:"Barcelona Supercomputing Center, Barcelona, Spain. Electronic address: kevin.deoliveira@bsc.es. Barcelona Supercomputing Center, Barcelona, Spain. Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (CSIC), Barcelona, Spain. Barcelona Supercomputing Center, Barcelona, Spain; ICREA, Catalan Institution for Research and Advanced Studies, Barcelona 08010, Spain"
Journal Title:Sci Total Environ
Year:2023
Volume:20230107
Issue:
Page Number:161449 -
DOI: 10.1016/j.scitotenv.2023.161449
ISSN/ISBN:1879-1026 (Electronic) 0048-9697 (Print) 0048-9697 (Linking)
Abstract:"Ozone (O(3)) pollution is a persistent problem in many regions of Spain, so understanding O(3) precursor emissions and trends is essential to design effective control strategies. We estimated the impact of Non-Methane Volatile Organic Compounds (NMVOC) species upon O(3) formation potential (OFP) using the maximum incremental reactivity approach. For this, we developed a speciated NMVOC emission inventory for Spain from 2010 to 2019 combining national reported emissions with state-of-the-art speciation profiles, which resulted in a database of emissions for over 900 individual NMVOC species and 153 individual sectors. Additionally, we analysed 2030 emission projections to quantify the expected impact of planned measures on future OFP levels. Overall, the main activities contributing to OFP in Spain are paint manufacturing and applications (20 %), manure management (16 %), and domestic solvent use (6 %). These activities contribute unevenly across regions. The more urbanised areas report a larger contribution from the solvent sector (64 % in Madrid), while in rural areas, manure management and agricultural waste burning gain importance (24 % in Extremadura), indicating that local control measures should be implemented. The top 10 NMVOC species contributing to OFP are ethanol, ethene, xylenes, propene, toluene, formaldehyde, 1,3-butadiene, styrene, n-butane, and cyclopentane, which together are responsible for 54 % of the total OFP. Our trend analysis indicates a reduction of NMVOC emissions and OFP of -5 % and -10 % between 2010 and 2019, respectively. The larger decrease in OFP is driven by a bigger reduction in xylenes (-29 %) and toluene (-28 %) from paint application industries and the road transport sector. By 2030 a significant increase (+37 %) in the OFP from the public electricity sector is expected due to the planned increase in biomass use for power generation. Our results indicate that policies should focus on paint reformulation, limiting aerosol products, and implementing NMVOC control devices in future biomass power plants"
Keywords:Anthropogenic emissions Emission control strategies NMVOC speciation Ofp Tropospheric ozone;
Notes:"PubMed-not-MEDLINEOliveira, K Guevara, M Jorba, O Querol, X Garcia-Pando, C Perez eng Netherlands 2023/01/10 Sci Total Environ. 2023 Apr 1; 867:161449. doi: 10.1016/j.scitotenv.2023.161449. Epub 2023 Jan 7"

 
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