Title page for ETD etd-11152013-040049

Type of Document Master's Thesis
Author Belschner, Wilfrid Carl
URN etd-11152013-040049
Title An evaluation of biochemical oxygen demand of organic wastes by measurement of carbon dioxide evolution from aerated activated sludge
Degree Master of Science
Department Sanitary Engineering
Advisory Committee
Advisor Name Title
Linvil G. Rich Committee Chair
Louis A. Pardue Committee Member
Russell C. Brinker Committee Member
  • Oxygen
Date of Defense 1953-06-05
Availability restricted

The object of this research investigation was to establish whether or not a correlation exists between bottle B.O.D. and CO2 liberated from a highly aerobic sewage-sludge mixture. The first part of the project consisted of reducing the number of variables in the operation to a minimum. To this end, considerable time and effort was spent finding the relationship existing between the condition of the sludge and its oxidizing potentiality. A definite strong statistical correlation was found to exist between the CO2 liberated and the suspended solids or organic matter in the sludge.

The apparatus functioned very well as could be readily seen from the consistent results obtained with the four units operating simultaneously.

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