The waste water treatment plant, built by FELA includes the following treatment processes: - Ion exchange plant for cleanning and recirculation of running rins water - Batch treatment for complex free waste water - Sludge dewatering for complex free waste water - Final filtration for the treatment link complex free - Batch treatment alternatively for waste water alkali-resist and complex waste water - Sludge dewatering for the treatment link alkali-resist/complex - Final filtration for the treatment link alkali-resist/complex - Final neutralization - Final PH-control - Chemical storage tanks