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Global warming potential associated with Irish milk powder production

Frontiers of Environmental Science & Engineering 2017年第3期11卷 123-130页

作者： William Finnegan jamie goggins Aksana Chyzheuskaya Xinmin Zhan College of Engineering and nformatics National University of Ireland Galway H91 HX31 Galway Ireland Ryan Institute for Environmental Marine and Energy Research National University of Ireland Galway H91 DK59 Galway Ireland Centre for Marine and Renewable Energy (MaREI) H91 HX31 Galway Ireland Socio-Economic Marine Research Unit (SEMRU) National University of Ireland Galway H91 WN80 Galway Ireland

Climate change is an ever growing issue and a major concem worldwide. Both producers and processors need to address the issue now by reducing, their carbon footprint. Additionally, if Ireland is to meet their climate and energy targets, as outlined in Food Harvest 2020, which outlines a range ot objectives for the Irish agricultural sector, the efficient use of resources and fuels within the industry will need to be increased. In Ireland, agriculture accounts for 29.2% of the total greenhouse gas powder, is examined in order to estimate the global warming potential （GWP） associated with its manufacture using life cycle assessment. A cradle-to-processing factory gate analysis, which includes raw milk production, raw milk transportation to the processmg tactory, its processing into eacla product and product packaging, is assessed in this study using data collected circa 2013. The factories surveyed processed approximately 24% of the total raw milk processed in the Republic of Ireland in 2013, which was 5.83 billion liter. The average total GWP associated with the manufacture of milk powder is 9.731 kg CO2eq·kg^-1 milk powder, which has a standard deviation of 2.26 kg CO2eq·kg^-1 milk powder, for the life cycle stages analyzed in this study. The most significant contributor to GWP is raw milk production （84%）, followed by dairy processing （14%）, with the remainder of the life cycle stages contributing approximately 2%.

关键词： Dairy Global wanning potential Ireland Life cycle assessment Milk powder Milk production

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