On-Line Measurement of the Chemical Oxygen Demand in Wastewater in a Pulp and Paper Mill Using Near Infrared Spectroscopy
Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=50736#.VEm6A1fHRK0 Author(s) John Dahlbacka 1* , Josefina Nyström 2 , Torgny Mossing 2 , Paul Geladi 2 , Tom Lillhonga 1 Affiliation(s) 1 Unit for Research and Development, Novia University of Applied Sciences, Vaasa, Finland . 2 Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Ume?, Sweden . ABSTRACT Although near infrared (NIR) spectroscopy has been evaluated for numerous applications, the number of actual on-line or even on-site industrial applications seems to be very limited. In the present paper, the attempts to produce online predictions of the chemical oxygen demand (C...