Journal
JOURNAL OF CLEANER PRODUCTION
Volume 41, Issue -, Pages 1-6Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2012.09.036
Keywords
Bituminous mixes; Warm mix asphalt; Manufacturing technologies; Polluting emissions
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Funding
- Department of Public Works of the Regional Government of Andalusia (AOPA), Spain
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This paper presents the results of a research study whose main objective was to analyze the environmental benefits derived from a cleaner production technology for manufacturing asphalt mixes. This study measured polluting emissions during the construction of two consecutive stretches of highway on which a hot mix and a half-warm mix were spread. Combustion gases (CO, NOx, O-2, CO2), total organic carbon (TOC), particles, volatile organic compounds (VOCs), and polycyclic aromatic hydrocarbons (PAHs), were measured during the manufacturing of hot and half-warm asphalt in plant and also during the spreading and compaction processes. The results obtained in this research project show that for the same manufacturing and spreading conditions, the half-warm mix asphalt (manufactured at less than 100 degrees C) is a cleaner production technology and can be considered more environmentally friendly since it considerably reduced polluting emissions. (C) 2012 Elsevier Ltd. All rights reserved.
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