Created in 1979, the microelectronic center in Rousset-sur-Arc currently produces 35% of all semi-conductors in France and is considered as the leading center of its kind in France and in southern Europe.

• ­Atmel and ST-Microelectronics
• ­Elis (laundry)
• ­Air Liquide (nitrogen)
• ­Rousset cooperative wine cellar
  
  

• ­a comprehensive quality insurance system,
• ­management focus on safety and reliability,
• ­restrictive regulatory conditions: COD : 25 mg/L ; Fluorine: 1.7mg/L.
  
  

Following a public tender process, Veolia Water won the contract for the design, operation and maintenance of the wastewater treatment plant, including the following services :

• ­monitoring of the regulating compliance to of the effluent entering the plant,
• ­management of the treated effluent inspection tanks,
• operation with remote monitoring and 24-hour maintenance.
  
  

The plant has the capacity to process 520 m³ per hour. Based on the origin of the wastewater, it uses:

• ­four physical-chemical treatment systems,
• ­one biological treatment system,
• ­one soluble aqueous ammonia treatment unit.