Title page for ETD etd-11152013-040532

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
  • Flocculation.
Date of Defense 1989-06-05
Availability restricted
The 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

instrument operation.

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