11 Wastewater purification units; sewer treatment plants; devices and installations for biological or physico-chemical transformation, dehydration of liquid, semi-liquid and solid sludge, namely flat and rotating sieves, decanters, flotators, thickeners, dripping tables, centrifugal machines, band filters, filter presses, heat exchangers, gasifiers; devices and equipment for irrigation and spraying, namely irrigation grids and spraying grids; pumps, pipes, valves * , * distributors and reagent dosers, mixers for water and all aqueous solutions treatment systems, coagulators, floculators, clarifiers, flotators, softeners, deionizers and ion exchange demineralizers, osmosis skids, membranes and modules, iron extraction, manganese, nitrate and phosphate removal reactors, neutralization and remineralization reactors and reagents dosing skids; biological reactors; reactors and radiation generators for disinfecting and sterilizing fluids by ultra-violet radiation and other forms of radiation, water degassers, aerators and water de-aerators; Devices and installations for softening, de-ionizing, desalting and filtering water and aqueous solutions, namely softeners, deionizers and ion exchange demineralizers, osmosis skids, membranes and modules, membrane ultrafilters, membrane microfilters, coolers, heat exchangers, evaporators, distillers, crystallizers, aerators, sterilizers, direct and indirect heat dryers, incinerators; water and aqueous solutions collecting and distributing systems, namely, pumps, pipes, valves, mixers; membranes made of cellulose acetate, polyamide, polysulphone-polyamide composite materials and ceramics, metal and fibre-type cartridge filters, sand filters, activated carbon filters or filters using any other granular materials specifically-adapted for use with the aforementioned equipment; equipment for disinfecting and sterilizing liquid and gaseous fluids by ultra-violet radiation and other forms of radiation, namely ultra-violet radiation generators, irradiators, electron accelerators, x-ray tubes; installations and devices for air conditioning and deoderizing, namely air conditioners, heat exchangers, metallic or textile cartridge filters, sand filters, activated carbon or any other granular material filters, reactor and deodorizing biological filters specially adapted for use therewith
Trademark: 75558778
