L.M. Impianti also specialises in the design and construction of water treatment systems and solvent recovery unit system, for eliminating foreign substances or pollutants from water using different types of machinery.
Water treatment is subdivided according to the type of waste to be treated, which may be urban or industrial and it then removes ammonia, nitrogen, sulphur, metals and phosphates.

A L.M. system can remove every type of substance from waste water, by transforming it into sludge which is discharged to a special area, without causing damage to the environment.

A purification cycle includes several different types of phases, from chemical to physical and biological.