ANAEROBIC TREATMENT OF RECYCLED PAPER MILL EFFLUENT WITH THE INTERNAL CIRCULATION REACTOR
W.J.B.M. Driessen*, L.H.A. Habets Paques B.V., P.O. Box 52, 8560 AB Balk, The Netherlands Abstract Anaerobic effluent treatment using the UASB (Anaerobic Upflow Sludge Bed) process has been used on a large variety of effluents from the pulp and paper industry. Newly developed sludge bed reactors which allow higher upflow......