NDLI: Environmental evaluation of single-use and reusable cups

Content Provider	Springer Nature Link
Author	Garrido, Nuria Alvarez del Castillo, M. Dolors
Copyright Year	2007
Abstract	The objective of the study was to determine the environmental effects of the resuable cup used during a major event (which took place in Barcelona, Universal Forum of Cultures, 2004), compared with a single-use cup of the same composition (polypropylene) but with different physical characteristics such as mass, shape and capacity.To perform the environmental evaluations and the comparison of both types of cups, the SimaPro software developed and marketed by PRé Consultants was used. The environmental evaluation of the reusable cup was compared with that of a single-use cup using the LCA methodology [6]. The functional unit used was: ‘Serving 1000 liters of draught beverages’. The objective of the study was to find the minimum number of cycles the reusable cup has to do so that its environmental impact is smaller than that of the single-use cup.Taking into account all the hypotheses put forward, the study drew the conclusion that the minimum number of uses of the reusable cup necessary for it to have a smaller environmental impact than the single-use cup is 10. The contribution of each process taking part in the entire life cycle of the cups was also studied in detail. In the case of the single-use cup, the most important contribution to all the impact categories is due to the production of polypropylene and the fabrication of the cup, except for the heavy metals category where it is due to the management of the waste coming from the cup’s use.In the case of the reusable cup being used 10 times, the contribution to the different impact categories of the waste generated by the cup’s use is negligible compared to the contribution of the fabrication and washing processes. In addition, the washing process is the one which contributes most to the ozone layer depletion, heavy metals and carcinogens categories.As the number of uses of the reusable cup increases, the contribution to all the environmental impact categories decreases. However, this reduction is not as significant for the ozone layer depletion, heavy metals and carcinogens categories. This is due to the washing process and the fact that the electrical consumption associated with it increases with the number of washings and, consequently, of uses.From the environmental point of view, the reusable cup must be used at least 10 times to have less impact than the single-use cup. This is mainly due to the higher weight of the reusable cup and, therefore, the greater amount of raw material needed for its fabrication. If the LCA methodology had been introduced during the design of the reusable cup, its weight would have been lower. This modification would have resulted in a reduction of the environmental impact associated with the use of the reusable cup and, consequently, a smaller number of uses would have been necessary to attain the same level of impact as the single-use cup.
Starting Page	252
Ending Page	256
Page Count	5
File Format	PDF
ISSN	09483349
Journal	The International Journal of Life Cycle Assessment
Volume Number	12
Issue Number	4
e-ISSN	16147502
Language	English
Publisher	Ecomed
Publisher Date	2007-05-11
Publisher Place	Landsberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Environmental impact life cycle assessment polypropylene reusable cups single-use cups Environment Environmental Economics
Content Type	Text
Resource Type	Article
Subject	Environmental Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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