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5. General conclusion
For wastewater treatment systems (as for waste treatment systems in general), remember that :
the process influences the "downstream" quality of the treated flow;
the "upstream" quality of the flow to be treated influences process performance.
By complying with the applicable standards, LCA methodology is a globally suitable tool for studying the environmental impacts of wastewater treatment plants.
Although potential eutrophication, as calculated in an LCA, remains a major impact of wastewater treatment, it should be noted that the processes used essentially avoid actual eutrophication of watercourses.
However, efforts should be made to supplement current toxicity and ecotoxicity databases to take better account of specific...
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General conclusion
Bibliography
Regulations
Council Directive no. 91/271 of May 21, 1991 concerning urban waste water treatment (OJEC no. L. 135/40 of May 30, 1991).
Law no. 92-3 of January 3, 1992 on water (JO of January 4, 1992).
Decree no. 94-469 of June 3, 1994 on the collection and treatment of wastewater mentioned in articles L. 372-1-1 and L. 372-3 of the Code des communes (JO of June 8, 1994).
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Websites
CML 2001
http://www.leidenuniv.nl/interfac/cml/ssp/index.html
Eco-indicator 99
http://www.pre.nl/eco_indicator99
Ecopoint 97
Software
GPS-X version 4.0.2 Hydromantis, Hamilton Canada
Standardization International Organization for Standardization
- Management environnemental. Analyse du cycle de vie. Principes et cadre - ISO 14040 - 1997
- Management environnemental. Analyse du cycle de vie. Définition de l'objectif et du champ d'étude et analyse de l'inventaire - ISO 14041 - 1998
- Management environnemental. Analyse du cycle de vie. Évaluation de l'impact du cycle de vie - ISO 14042 - 2000
- Management...
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