walnut shell water filters used in industrial wastewater treatment installations to remove oil from industrial wastewater

Water softening apparatus and installations, fixed or movable; water filtering apparatus, fixed or movable; water purifying, apparatus and installations, fixed or movable; water purification installations for water desalination, fixed or movable; water filtering apparatus for water treatment using a membrane filtration process, fixed of movable; water filtering apparatus for water processing using a reverse-osmosis process, fixed or movable; water filters for treating and filtering liquids, fixed or movable; water filter replacement cartridges for treating and filtering liquids; water filters; water treatment filters, namely, filters for drinking water

Water purification units; water treatment equipment, namely, water filtration units; component parts for the foregoing; all excluding refrigerated benches, cabinets and display cases

Services for treating and purifying water and waste water using a biological process implementing bioreactors having supports on which bacteria and other types of microorganisms develop for removing contaminants or other types of impurities, including contaminants and impurities that are hardly degradable

Bioreactors for the treatment of water and waste water having supports on which bacteria and other types of microorganisms develop for removing contaminants or other types of impurities, including contaminants and impurities that are hardly degradable; apparatus and installations for the purification of water and waste water using a biological process

Installation, maintenance and repair of apparatus for measuring and for dosing chemicals for use in in the field of the treatment, purification, conditioning, disinfection and clarification of water or waste water, apparatus for checking water quality, including drinking water, and parts and components of the aforesaid goods; installation, maintenance and repair of apparatus and installations for the purification of water and waste water, apparatus and installations for clarifying water, apparatus and installations for the treatment of water and waste water, including by settling or flotation, filter apparatus and installations for the treatment and purification of water, filters for use in the treatment and purification of water, apparatus and installations for filtering water, including by ultrafiltration, nanofiltration and microfiltration, reverse osmosis filtration units being water treatment equipment, apparatus and installations for softening water, apparatus and installations for water demineralization, ionization apparatus for water treatment, electrodeionization apparatus for water treatment, apparatus and installations for treating water by means of remineralization, apparatus and installations for desalination of water, apparatus and installations for treating water by ultraviolet irradiation, pure steam generators, apparatus and installations for degasification and decarbonization intended for water treatment, apparatus and installations for the purification of waste water, bioreactors for the treatment of water or waste water, apparatus and installations for recycling and re-use of waste water, apparatus for disinfecting water, and parts and components of the aforesaid goods; technical advice and information with respect to the installation, maintenance and repair of apparatus for measuring and dosing chemicals for use in the field of the treatment, purification, conditioning, disinfecting and clarification of water or waste water, apparatus for checking water quality, including drinking water, and parts and components of the aforesaid goods; technical advice and information with respect to the installation, maintenance and repair of apparatus and installations for the purification of water and waste water, apparatus and installations for clarifying water, apparatus and installations for the treatment of water and waste water, including by settling or flotation, filter apparatus and installations for the treatment and purification of water, filters for use in the treatment and purification of water, apparatus and installations for filtering water, including by ultrafiltration, nanofiltration and microfiltration, reverse osmosis filtration units being water treatment equipment, apparatus and installations for softening water, apparatus and installations for water demineralization, ionization apparatus for water treatment, electrodeionization apparatus for water treatment, apparatus and installations for treating water by means of remineralization, apparatus and installations for desalination of water, apparatus and installations for treating water by ultraviolet irradiation, pure steam generators, apparatus and installations for degasification and decarbonization intended for water treatment, apparatus and installations for the purification of waste water, bioreactors for the treatment of water or waste water, apparatus and installations for recycling and re-use of waste water, apparatus for disinfecting water, and parts and components of the aforesaid goods

Apparatus for measuring and dosing chemicals for use in the field of the treatment, purification, conditioning, disinfection and clarification of water or waste water, namely, amperometric sensors, ultrasonic sensors, and chemical analyzers and electric analyzers for measuring concentrations of chemicals and gas in water; water quality control apparatus, including for drinking water, namely, automatic liquid-flow control machines and instruments for flow control dosing, electronic sensor for bacteria detection, and downloadable measurement software for measuring concentrations of chemicals and gas in water; and parts and component parts of the aforesaid goods

Anaerobic reactor for the treatment of industrial effluents; apparatus or installations for treatment of industrial effluents by anaerobic means

Sludge dewatering units being machines, namely, pumps operating by cavitation and for modifying the granulometry of sludge for obtaining increased dryness of said sludge

Sludge dewatering units for treating waste water and sewage by modifying the granulometry of sludge for obtaining increased dryness of said sludge

machines for depackaging and preparing biodegradable wastes for energy generation

retail store services featuring water, wastewater and biosolids or sludge treatment equipment, namely, disc filters, ballasted flocculation systems, activated sludge systems, membrane bioreactors, moving bed bioreactors, integrated fixed film activated sludge systems, nitrogen removal systems, potable water treatment systems, biosolids or sludge treatment systems, [ thermal hydrolysis systems, ] biosolids or sludge drying systems, biosolids or sludge digestions systems, and biogas treatment and recovery systems

water purification apparatus and installations for use in wastewater treatment, potable water treatment, and biosolids or sludge treatment

sludge treatment units which are stationary or mobile, used for thermally hydrolyzing sludge