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LCA of lager in greece

HW#2
by

Vibhu Ramakrishnan

on 8 May 2013

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Transcript of LCA of lager in greece

Life cycle assessment of beer production in Greece Vibhu Ramakrishnan
Melissa Carosiello
Mariana Tafur
Christopher Klinkhamer
Stephen O'Donnell
Elkin Taborda Introduction
Goal and Scope
Inventory Analysis
Impact Assessment
Applications
Study limitations Content Introduction C. Koroneos, G. Roumbas, Z. Gabari, E. Papagiannidou, N. Moussiopoulos
Aristotle University Thessaloniki
Journal of Cleaner Production
2005 Difficult to conduct LCA of food products Lack of public data Consider either agricultural production or industrial refining Identify parts of life cycle that are important to total environmental impact ‘Lager’ produced by brewery of northern Greece Goal and Scope Goal Discover steps that have the most significant environmental input and output flows

Propose improvements to optimize the system Scope Raw Material Acquisition Beer Production Bottle Production Packaging and Bottling Transportation/Storage/Distribution System Investigated Inventory Analysis Transportation Data Beer Production Sub-system Glass production Packaging sub-system Energy Environmental Effects Impact Assessment Greenhouse effect Ozone depletion Acidification Eutrophication Smog formation Human toxicity Earth toxicity Solid wastes Summary Bottle production is the greatest energy consumer High carbon intensities are primarily due to distance travelled and use of low grade fuel Bottle production is the major contributor to global warming effect due to the use of diesel as the major energy source Bottle production and packaging have the largest environmental scores Applications Limitations- Critique Analysis is site specific Holland’s weighting factors are used, not Greece’s Difference inputs for recycled versus new bottle production should be accounted for Cultivation of barley and production of malt is not included in the system boundary C. Koroneos, G. Roumbas, Z. Gabari, E. Papagiannidou, N. Moussiopoulos, Life cycle assessment of beer production in Greece, Journal of Cleaner Production, Volume 13, Issue 4, March 2005, Pages 433-439, ISSN 0959-6526, 10.1016/j.jclepro.2003.09.010. Reference Thank You Environmental Score = Characterized value x Normalization x Weighting factor Introduction
Goal and Scope
Inventory Analysis
Impact Assessment
Applications
Study limitations Content Introduction
Goal and Scope
Inventory Analysis
Impact Assessment
Applications
Study limitations Content Introduction
Goal and Scope
Inventory Analysis
Impact Assessment
Applications
Study limitations Content Introduction
Goal and Scope
Inventory Analysis
Impact Assessment
Study limitations
Applications Content Introduction
Goal and Scope
Inventory Analysis
Impact Assessment
Study limitations
Applications Content Functional Unit One bottle of beer (1.066 kg)
- 0.520 kg of beer
- 0.546 kg of green glass Distribution of energy in the beer production system The use of energy in the beer production system Results Results Results Results Distribution of energy per type of energy Carbon intensity expressed as kgCO2 -eq/kWh per subsystem Characterization results Results Results Normalization results per functional unit Evaluation results per functional unit Environmental scores of each subsystem per functional unit Contribution of each impact category to the environmental score of each subsystem There are no explicit suggestions of possible improvements for the system studied. In order to generalize results:

Hops are not grown all around the world (transportation becomes highly variable)

The study would be more valuable if it addressed the production of raw materials. First let’s ask: Why is this important?
Beer is the third most popular drink in the world after water and tea [1].

As of 2006, more than 133 billion liters (35 billion gallons) were sold [2], the equivalent of 53,060 Olympic size swimming pools Change of energy sources (Diesel, HFO) on most impact stages.

Set up strategies to reduce amount of distance of transportation required on different stages. Find alternatives to glass bottles that would be more environmentally friendly to produce.

Create software or methods for fast estimate of environmental impact for food processes. From Wikipedia article: Beer
[1] Nelson, Max (2005). The Barbarian's Beverage: A History of Beer in Ancient Europe. Abingdon, Oxon: Routledge. p. 1. ISBN 0-415-31121-7. Retrieved 2010-09-21
[2] "Beer: Global Industry Guide". Research and Markets. Retrieved 5 November 2007. Questions?
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