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Environmental life-cycle assessment of various dairy products

Authorized Users Only
2014
Authors
Djekić, Ilija
Miočinović, Jelena
Tomašević, Igor
Šmigić, Nada
Tomić, Nikola
Article (Published version)
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Abstract
The objective of this paper was to assess the environmental performance of the production of six types of dairy products/pasteurized and ultra-high temperature (UHT) milk, yoghurt, cream, butter and cheese/from seven dairy plants of different capacities processing 36% of raw milk in Serbia. A total of 29 life cycle assessment calculations have been performed to identify and quantify the environmental impacts from a cradle-to-grave perspective covering three subsystems: 'dairy farm', 'dairy plant' and 'waste and waste water treatment'. Structured surveys in selected dairies have been conducted in order to collect life cycle inventory input data. Six environmental impact potentials were calculated in this study: global warming potential, acidification potential, eutrophication potential, ozone layer depletion, photochemical smog and human toxicity. The focus of the research was put on global warming potential, acidification potential and eutrophication potential. As a general finding, th...is study confirmed previous research that the largest contributor to the environmental profile is the raw milk production at dairy farms. Contributions of the dairy processing plants are mainly due to energy requirement and inputs of goods at the dairy gate. Mitigation options for optimization of environmental impacts rely on the choice of the production! packaging portfolio, energy fuel profile, water optimization and waste management.

Keywords:
Life-cycle assessment / Dairy products / Environment / Indicators / Footprint
Source:
Journal of Cleaner Production, 2014, 68, 64-72
Publisher:
  • Elsevier Sci Ltd, Oxford

DOI: 10.1016/j.jclepro.2013.12.054

ISSN: 0959-6526

WoS: 000335114600009

Scopus: 2-s2.0-84897113630
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URI
http://aspace.agrif.bg.ac.rs/handle/123456789/3540
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  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet

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