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Title: Carbon footprint of particleboard: a comparison between ISO/TS 14067, GHG Protocol, PAS 2050 and Climate Declaration
Authors: Garcia, Rita 
Freire, Fausto 
Keywords: Biogenic CO2; Carbon storage; Delayed emissions; Multifunctionality; Wood-based panels
Issue Date: 1-Mar-2014
Publisher: Elsevier
Citation: GARCIA, Rita; FREIRE, Fausto - Carbon footprint of particleboard: a comparison between ISO/TS 14067, GHG Protocol, PAS 2050 and Climate Declaration. "Journal of Cleaner Production". ISSN 0959-6526. Vol. 66 (2014) p. 199-209
Serial title, monograph or event: Journal of Cleaner Production
Volume: 66
Abstract: This article aims to assess: i) the carbon footprint (CF) of particleboard produced in Portugal, and ii) the influence of different methodological issues in the particleboard CF calculation by comparing four CF methodologies (ISO/TS 14067; GHG Protocol Product Standard; PAS 2050; Climate Declaration). A life-cycle model was developed for particleboard (functional unit: 1 m3). Both cradle-to-gate and cradle-to-grave (end-of-life scenarios: incineration and landfill) assessments were performed. Six methods to assess delayed emissions were analyzed. The main methodological differences between the CF methodologies are the treatment of biogenic CO2, multifunctionality, and unit process exclusions (e.g. capital goods). A wide range of CFs was calculated: −939 to 188 kg CO2 eq/m3 (cradle-to-gate); 107 to 201 kg CO2 eq/m3 (cradle-to-grave; incineration) and −692 to 433 kg CO2 eq/m3 (cradle-to-grave; landfill). The inclusion (negative CF) or exclusion (positive CF) of biogenic carbon storage in the reported CF dominated the differences in results and the ranking of end-of-life scenarios strongly depended on that assumption. ISO/TS 14067, the GHG Protocol and PAS 2050 explicitly include both emissions and removals of biogenic CO2 in the CF calculation. On the other hand, the Climate Declaration does not account for biogenic CO2 or carbon storage, which may bias the comparison with competing products that do not store biogenic carbon (e.g. fossil-based materials). The CF of particleboard was also very sensitive to the different approaches to deal with multifunctionality in the incineration process by the various CF methodologies. Moreover, although not mandatory, delayed emission accounting significantly affected the results for the incineration scenario. Capital goods accounted for 12–20% of the CF. Future guidelines for wood-based panels, such as Product Category Rules, should, therefore, require that carbon storage is assessed and reported, accounting of waste-to-energy burdens is harmonized and capital goods are included.
ISSN: 0959-6526
DOI: 10.1016/j.jclepro.2013.11.073
Rights: openAccess
Appears in Collections:FCTUC Eng.Mecânica - Artigos em Revistas Internacionais

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