General view taken on October 8, 2010 of the MangeGarri site in Gardanne where bauxite residues producing red sludge are stored in solid form - ANNE-CHRISTINE POUJOULAT AFP

In search of buyers, Alteo, world leader in specialty aluminas, assured Thursday that it now complies with all legal environmental standards concerning its liquid discharges in the Mediterranean Sea, after having benefited for several months from exemptions for two last parameters.

“Alteo started up the last water treatment unit, during the summer as planned, to achieve the water quality objectives required in particular for the COD and BOD5 parameters by the deadline of August 30, 2020, in accordance with the prefectural decree ”, announced a spokesperson for the plant based in Gardanne, about thirty kilometers from Marseille.

Deadline until August 30

Initially, Alteo, which performs liquid discharges in the Calanques National Park, had until June 8 to comply with the regulations for these last two indices. Considering that "the work had to be interrupted because of the Covid", the prefect had given him additional time until August 30.

Alteo, world leader in specialty alumina used in particular in the automotive industry and mobile phones, had on the other hand already brought up to standards in terms of iron, arsenic, aluminum and the pH level. of its liquid discharges. "Alteo keeps its commitments in terms of reducing its environmental footprint", welcomes the company regularly criticized for environmental associations and residents.


Bouches-du-Rhône: Alteo is looking for a buyer for its Gardanne site, criticized for years for its "red mud"


Red mud: Alteo has a new deadline to bring its discharges at sea up to standard

  • Red mud
  • Marseilles
  • Mediterranean
  • Environment