Abstract
Design parameters of a vacuum deaeration system for degassing the raw influent to a municipal water treatment plant were determined using response surface modeling of pilot-scale experimental results. A composite, rotatable experiment was developed to study the response of dissolved oxygen removal from varying the flowrate, vacuum or media depth in a packed column deaerator. A resulting second-order equation adequately described the response surface which was plotted graphically to determine the optimum dissolved oxygen removal based on the range of design parameters tested.
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