Advances in water pollution research. Vol. 2 / W. W. Eckenfelder.

1.A study of purification by biological means.--2. Concentration effects in the biological oxidation of trade wastes.--3.Mechanism of gas absorptionby turbulent liquids.--4.The present state of purification of town sewage in the city of Moscow .--Wtaer reclamation , algal production and methane fermentation in waste ponds .--The biological filtration of coal carbonization plant effluents.--Methods for the removal nof phosphorus and nitrogen from sewage plant effluents.--Removal of biologically resistant pollutants from waste water by absoption .--Experimental studies on high rate digestion of nightsoil.--Nutrient requirements and biological solids accumulation in anaerobic digestion.--Flow patterns in a rectangular sewage sedimentation tank .--Recent work on the treatment and dewatering of sewage sludge .--