Date of Award


Degree Type

Thesis - Restricted

Degree Name

Master of Science (MS)


Civil and Environmental Engineering

First Advisor

Crandall, Clifford

Second Advisor

Zanoni, Alphonse E.

Third Advisor



The fact that Dissolved Air Flotation is gaining importance in the treatment of industrial wastes, particularly white water wastes, along with the lack of sufficient data in this particular area motivated the author to undertake the research work. These white waters contain high amounts of suspended solids which must be removed to meet stream or effluent standards. Removal of the suspended solids may be achieved by sedimentation or flotation; of the two, sedimentation is presently more common. But flotation may provide a more feasible alternative, especially with regard to requiring less space and producing more concentrated sludge. This research is especially directed to the removal of suspended solids by Dissolved Air Flotation. Further research may be necessary in evaluating other parameters of pollution.



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