New Developments in Sewage Sludge Treatment
Reduction in digestion volume requirements utilizing decreased detentions, pre-thickening and gaseous mixing has been a primary goal of recent developments. Advances in sludge filtration...

Fringe Area Sewerage Problems
The paper reviews the problems and some of the means of solving fringe area sewerage problems. In the discussion the relative merits of septic tanks, package plants, and oxidation ponds...

Mechanism of Reaeration in Natural Streams
Turbulent flow theory, both isotropic and non-isotropic, has been utilized to formulate theory of reaeration in natural streams, which have been subjected to deaeration by biological oxidation...

SED Research Report No. 12: Biological Oxidation of Alkaline Wastes
Biological action does occur at pH values of 9 to 11; less oxidation results at high pH values, but capital and operating costs involved with neutralization are eliminated; results include...

Some Design Considerations for Oxidation Ponds
Factors which influence operation of oxidation ponds; design should be based upon proposed effiuent usage, BOD load, climatic characteristics and geographical location; uniform inlet and...

Deoxygenation and Reoxygenation
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Deoxygenation and Reoxygenation
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Stream Pollution: A Symposium: The Rate of Deoxygenation of Polluted Waters
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Stream Pollution: A Symposium: The Rate of Deoxygenation of Polluted Waters
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