Installations, apparatus and media for the treatment of water, wastewater and sewage, namely, (a) membrane reactor systems and parts and fittings therefor, namely, reactor tanks, membranes, rigid membrane plates, multiple membrane plate modules, aeration diffuser systems, aeration feeder pipeworks, effluent inlet pipeworks and treated effluent outlet pipeworks; (b) filters and filtering membranes for the treatment of water, waste water and sewage; (c) media for filtration and biological treatment of water, waste water and sewage; (d) submerged aerated filter systems and parts and fittings therefor, namely, reactors, aeration equipment comprising spargers and supply tubes, hydraulic distribution and collection equipment comprising pumps and effluent inlet and outlet conduits, electronic control systems and desludging systems; (e) biological aerated flooded filter systems and parts and fittings therefor, namely, reactors, meshes, spargers, outlet conduits, electronic control systems, desludging systems, pipework and valves; (f) diffused aeration systems and parts and fittings therefor, namely, diffusers, holders, supports, manifolds, laterals, fixings, condensate removal assemblies, valves, flexible couplings, membranes, membrane plates, lids and diaphragms; and (g) moving bed biological reactor systems and parts and fittings thereof, namely, tanks, bubble aeration systems, meshes, effluent inlet and treated effluent outlet conduits, electronic control systems and desludging systems

Construction, repair and refurbishment of installations and apparatus for the treatment of water, waste water and sewage; consultancy services in relation to the aforesaid construction, repair and refurbishment

Consultancy services in relation to the treatment of water, wastewater and sewage