Treatment, processing, purification and recycling of water, waste water, sewage, waste materials and substances; provision of information, consultancy and advisory services in relation to the aforesaid.

Design of apparatus, equipment, plant and processes for treating, processing, purification and recycling of water, waste water, sewage and waste materials and substances; environmental research, monitoring and testing of water, waste water, waste materials and substances; provision of information, consultancy and advisory services in relation to the aforesaid.

Plant, apparatus and equipment for the treatment, processing, purification and recycling of water, waste water, sewage, waste materials and substances; apparatus and installations for treating and supplying water or liquids; apparatus and equipment for clarification, physical and physical-chemical filtration, softening, deionization and demineralization on-ion exchangers for water or liquids; accessories and equipment for treating water or liquids on membranes (ultra filtration, nano- filtration and hyper-filtration or reverse osmosis); installations for iron removal, demagnetization and biological elimination of nitrates from water; apparatus and installations for disinfecting and sterilizing liquid and gaseous fluids by ultraviolet rays and other radiation; installations for the treatment of plant and/or animal organic matter, of urban or industrial origin (in particular waste from green spaces, sludge from treatment plants for sewage and solid and liquid waste and/or household or industrial waste water treatment plants); installations for sea water desalination, apparatus and installations for the treatment of water and effluent from the chemical and food processing industry, apparatus and installations for the treatment and reusing of waste; apparatus and installations for the treatment and reclamation of industrial, household, hospital and special waste; apparatus for treating water or liquids, namely, decanters, sterilizers, carbonators, coalesce apparatus, mixers; fixed or mobile equipment and installations for the treatment of water and the treatment of waste; sewage purification apparatus; waste water treatment tanks for household purposes; wastewater purification units; water purifying installations; sewage purification installations; sewage treatment [purification] installations; purification installations for waste material; industrial waste water purification plants; industrial-water purifying apparatus; filter and membrane modules and filters and membranes for filtration purposes and for use in water treatment apparatus and installations for the separation of substances from aqueous media; filters, apparatus and devices for filtering and treating liquids; water filters and filters for treating water; parts and fittings for all of the aforesaid goods.

Membranes manufactured of, or using, plastics and / or cellulose for filtering purposes; materials consisting of a mat based on natural or synthetic products included in this class; filtering materials consisting of plastic sheet or foam; all the aforesaid used in relation to water treatment and waste management; parts and fittings for all of the aforesaid goods.

Filtering gauze based on polyester.

Assistance provided to industrial or commercial companies pertaining to business operations;  provision of information, consultancy and advisory services in relation to the aforesaid.

Repair and maintenance of apparatus for treating liquids and fluids; repair or maintenance of water purifying apparatus; machinery maintenance services; maintenance services for industrial plants; construction of water treatment plants (for drinking water, urban and industrial wastewater, rainwater); construction of water treatment plants; construction of installations, centres and units for filtering water and sludge waste, installations and units for recycling, processing, recovering and filtering water and sludge waste; provision of information, consultancy and advisory services in relation to the aforesaid.

Removal, handling and disposal of water, waste water, sewage, waste materials and substances; water distribution and supply services; water supplying, water distribution, collection of urban or industrial wastewater, of sludge; collection, transport, disposal and storage of useful materials or of urban, industrial and radioactive waste, solid or liquid waste, industrial greases and office papers; collection, transport, grouping and reconditioning (storage) of all kinds of waste, and in particular urban, household, industrial, ordinary and special industrial, hospital, agricultural, horticultural, forestry, hazardous, solid and liquid waste; disposal and storage of useful materials, waste, perishable or hazardous products; storage of waste in landfills; transport, packing and storage of fertilizers, organic amendments, compost and growing media; logistics organization services for the collection, transport, storage, distribution and processing of all types of commercial, municipal or industrial waste, namely, water waste and sludge waste;  provision of information, consultancy and advisory services in relation to the aforesaid.

Treatment, processing, purification and recycling of water, waste water, sewage, waste materials and substances; purification of industrial waste water; water treatment and purification; leasing of water purification equipment; water purification; disposal of waste water from industrial processes; waste water treatment; on-site water purification services; treatment of waste water from industrial processes; processing and transformation of waste generated by households, public or private communities and enterprises, ordinary, special, solid, liquid, hazardous waste and related information; waste purification and regeneration services; waste and refuse recycling services, waste and refuse composting services; recycling (processing of materials) of industrial, household, hospital, special, ordinary waste, from local authorities, companies (public or private), biological and energy recovery services for waste and refuse (processing of materials); water treatment services, water treatment services by introducing reagents, in particular in waters for human or animal consumption and in waters for industrial use, sanitation and treatment of industrial wastewater, water production services; treatment of materials namely residues and waste from water treatment; processing of agricultural goods from plants or animals to develop fertilizers, compost and growing media; sorting of useful materials or of urban, industrial and radioactive waste, solid or liquid waste, industrial greases and office papers;  sorting, identification, processing of all kinds of waste, and in particular urban, household, industrial, ordinary and special industrial, hospital, agricultural, horticultural, forestry, hazardous, solid and liquid waste; provision of information, consultancy and advisory services in relation to the aforesaid.

Design of apparatus, equipment, plant and processes for treating, processing, purification and recycling of water, waste water, sewage and waste materials and substances; environmental research, monitoring and testing of water, waste water, waste materials and substances; water quality control services, scientific and industrial research relating to environmental protection, technical or scientific research in laboratories in the fields of water, water treatment and purification, chemical analysis, chemical research, professional consultancy, technical project studies, engineering and engineering works (not for building) in the fields of water and water treatment, expert appraisals in the field of water and effluent treatment; scientific and technical studies for developing and evaluating the operational performance of installations for treating drinking or industrial water, for processing wastewater, household or industrial wastewater, as well as for treating physicochemical or biological fluids and sludge; technical auditing (engineering services) relating to these processes and equipment and to all other treatments of fluids, including in the field of industrial processes; services provided by consultants relating to research in the field of environmental protection, urban planning, industrialization and natural resource development, information on research in the field of environmental protection, studies (engineering work) on economic, social and environmental implications, urban planning operations, industrialization and use or development of natural resources, in particular water; engineering services in the field of industrial information systems (centralized technical management and control, monitoring automation, decision-making systems, management systems for operating data); technical project studies, analyses, evaluations, estimates, research, technical consultation in the technology, the management of household and industrial waste, water, hydrogeology, wet area management; provision of information, consultancy and advisory services in relation to the aforesaid.