Process and device for the aeration of waste water
Process and device for the biological purification of waste wate
Process and device for the filtration of liquids polluted by sus
Process and device for the purification of waste water by means
Process and equipment for the thickening of slurries
Process and means for breaking emulsions
Process and plant for hydromechanical recovery of a fluid spread
Process and system for anaerobic treatment of biochemical waste
Process and system for controlling an orbital system
Process and system for the dehydration of residues
Process and system for treating waste water
Process for absorbing hydrocarbons or organic solvents
Process for alkaline scaling
Process for biological denitrification of effluents
Process for biological purification of liquid wastes
Process for biological purification of waste water
Process for biologically eliminating organic waste matter
Process for chelating and inhibiting scale in aqueous systems
Process for clarification of oil-containing waste
Process for clarification of oil-containing waste