8S.R. Tremont. Impact of neutral deinking chemistry on DAF clarification and sludge dewatering of deink plant rejects. Tappi, 1993,11:749 - 756
9C. Achermann, H.J. Putz and L. goettsching, L. Effect of pulping conditions on deinking of wood - containing recovered paper grades. Pulp &Paper Canada 100, 1999,4:37 - 41
10G. Galland, Y. Vernac and B. Carre. The Advantages of combining neutral and alkaline deinking, Part I : comparison of deinking of offset and flexo printed paper. Pulp and Paper Canada, 1997,98(6): 46 -49