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 Keywords
Date of Defense 1953-06-05 Availability restricted Abstract
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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