Type of Document Master's Thesis Author Groger, Howard Paul URN etd-11152013-040532 Title An investigation of laser light scattering for the measurement of micron size particles with application to bioflocculation Degree Master of Science Department Environmental Engineering Advisory Committee
Advisor Name Title Clifford W. Randall Committee Chair Robert C. Hoehn Committee Member Silverio Almeida Committee Member Keywords
Date of Defense 1989-06-05 Availability restricted AbstractThe activated sludge wastewater treatment process depends upon the
formation of biological floc for effective liquid-solids separation, nutrient stabilization and sludge dewatering. Continued research into
floc formation, intrafloc interactions and floc hydrodynamics is
necessary for improved understanding of the activated sludge process.
The overall goal of this research program was to investigate laser-based
methods for characterizing biological flocs. The research
objectives included the selection of laser-based methods which are
applicable to the waste water treatment plant environment, design and
development of laser-based instrument configurations, measurement of
particles with known characteristics, measurement of activated sludge
samples and determination of the factors affecting laser—based
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