Protecting water resources involves:

  • Limiting the pollutant load in aqueous effluent as much as possible. Hydrogen peroxide helps purify the effluents.
  • Protecting water reserves.

Solvay’s hydrogen peroxide is used in particular:

  • in gold and uranium mines, to limit discharges of cyanide and manganese into the environment
  • for surface water, to reduce asphyxiation through reoxygenation
  • for surface water which is acidic or contains pollutants such as cyanides or sulfides; these can be treated with sodium carbonate or hydrogen peroxide

Waterproof membranes can be used to make cheap water reservoirs, particularly in countries where water is rare. In the Canary Islands, the basin of an extinct volcano has been lined with PVC sheets.

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