Treating and recovering green algae by exothermic treatment with calcium oxide delayed reaction, comprises pretreating, exothermic treating and/or post treating green algae to obtain organic fertilizer and natural mineral product
FR2953229A1
Device for collecting floating materials such as algae, in suspension, on the surface or between two waters and on the beach
FR2881100A1
Device for recovering floating materials such as hydrocarbons, containers and others, floating on the surface or between two waters
FR2831915A1
Anti-running water device for the protection of a wall
FR2803271A1
Device for recovering pollutant materials, particularly hydrocarbons
FR2803270A1
Apparatus for recovering pollutant materials, in particular hydrocarbons
FR2803269A1
Apparatus, for recuperating floating pollutants such as hydrocarbons on sea water, has conveyor chains with self-emptying scoops
FR2803268A1
Recuperator, for floating pollutants such as hydrocarbons on sea surface, has two endless belt conveyors face to face forming pressure channel
