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Method of treating water using inorganic high specific surface pulverulent reagent including a recycling stage of said reagent
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FR2843106A1
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Process and plant for treating sludge from biological water purification plants
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FR2839507A1
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Process for treating waters containing iron, manganese and arsenic
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FR2837813A1
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Circular plant for the biological treatment of wastewater
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FR2833939A1
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Method of treating water by deacted flocculation and decantation
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WO0242223A1
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Ballasted floc water treatment installation
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FR2815714A1
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Installation for measuring the concentration of granular material dense of a flow and system for the treatment of water including such an installation
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US6616843B1
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Submerged membrane bioreactor for treatment of nitrogen containing water
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CA2355087A1
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Submerged membrane bioreactor for treatment of nitrogen containing water
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WO0029335A1
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Water treatment method by ballasted floc including a recycling of granular material
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WO9941205A1
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Method for biologically treating effluents producing little or no excess sludge including a treating step by fixed film biomass
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FR2787782A1
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Process for treating an effluent using simultaneous nitrification / denitrification in a biofilter
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FR2786763A1
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Treatment of excess sludge coming from biological purification process includes digestion step and wet oxidation step
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WO9919261A1
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Method for physico-chemical treatment of water and plant for implementing same
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WO9910071A1
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Method and plant for treating water incorporating a sedimentation tank and an multilayer filter operating at high speeds
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US6083396A
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Method for checking and regulating the pressure loss in a biological filter and installation for embodiment of such a method
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US6007721A
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Method and system for regulating the addition of oxygenated gas into a biofilter with rising currents
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WO9840316A1
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Device for distributing and/or collecting water passing through an immersed filter bed and biological filter provided with same
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WO9840146A1
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Ascending filtration device for waste water
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AU6405398A
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Method for the biological treatment of effluent and plant for implementing same
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