31. Appendix: Definition of the studied indicators Indicator Value Energy (GJ) Energy comes from energetic resources such as petroleum oil, natural gas, uranium, wood, biomass… The studied indicator is expressed in GJ and measure the quantity of energy resources extracted from the environment, including both used energy for the process and feedstock energy. Water (m³) The water consumption include all water resources drawn from the environment (excluding water from rain and used for cooling). Waste (kg) All human activities generate waste that have to be collected and treated with significant incidence on the environment This indicator allows to follow the quantity of total waste generated along the total life cycle. Greenhouse effect (kg eq. CO2) This indicator gives the estimate of the effect of warming over time (100 years) of the emissions of certain greenhouse gases in the atmosphere, in comparison with carbon dioxide. It particularly takes into account the "fossil" emissions CO2, N2O (these emissions come, for example, from the combustion of fuel and from natural gas) and CH4 emissions (for example from the fermentation of dumped waste) but does not take into account CO2 "biomass" emissions, resulting for example from the combustion of waste in incinerators. The greenhouse effect is expressed in kg eq. CO2.
32. Appendix: Production phase - Focus on Planilux Glass Impact Primary energy (MJ) Phase Planilux Total 184.89 Production 141.25 Transport 11.79 Implementation 30.72 Use 1.14
33. Appendix: Production phase - Focus on Diamant Glass Impact Primary energy (MJ) Phase Diamant Total 133.96 Production 125.18 Transport 7.64 Implementation 0.00 Use 1.14
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