Trends in Water Pollution Control in the Finnish Pulp and Paper IndustryWater Science and Technology - Tập 24 Số 3-4 - Trang 1-10 - 1991
J. Junna, Seppo Ruonala
The present situation of water pollution control in Finland is briefly described and some future trends are discussed. Discharge permissions settled by the authorities have recently been made to include also total phosphorus and chemical oxygen demand (CODC r) in addition to the conventional water pollution control parameters (suspended solids and biological oxygen demand; BOD7). In the ne...... hiện toàn bộ