Softening plant
(Manual)
1963
Softeners and pressure filters
(Automatic)
1975
Demineralization plant
(Automatic)
1987
Reverse osmosis plants
(Automatic)
2005
Electrodeionization plants
(Automatic)
2008
CU:RO
(Compact RO units)
2014
RO-PLUS unit
(Save water and energy)
2017
Membrane degasser unit
(Non-chemical solution)