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The graph below shows the reduction in load per tonne of production since year 2000 (expressed as % of the 2000 kg / Tonne figures)
COD and BOD: reduction was achieved by better control of processes and better handling of wastes. All effluents are subsequently treated in municipal works.
Wastes: almost 100 % of the wastes are recycled in particular using methanization.
Water: Reduction is due to increased recirculation and improved maintenance of the water network.
Energy: Reduction is achieved through improved process efficiency.
Ozone depleting gases (CFC's): 99 % of on site refrigeration and air conditioning systems are CFC free.(year 2004)
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