Document Type


Date of Award


Degree Name

Master of Science in Environmental Engineering - (M.S.)


Civil and Environmental Engineering

First Advisor

Yeun C. Wu

Second Advisor

Paul N. Cheremisinoff


Disc size scale-up of prototype and small-scale RBC plants are successfully developed by applying the 114 data sets obtained from 12 RBC plants to the evaluation of percent sBOD remaining. These data analyses are performed by the least square method, therefore, the scale-up factors of the prototype and the small-scale are determined at different hydraulic loading. Furthermore, the relationship between scale-up factor and the disc diameter are established under the given flow rate, the number of stages, and the number of discs. A group of Curves are obtained and can be utilized for the full-scale RBC plant preliminary design. The overall calculations are preformed by the computer program.



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