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Introduction
Presently, the flow control module is being utilized to create a constant head tank, where the water level in a tank remains constant, being refilled by a stock tank. This constant head tank is the measuring point for the head loss which governs the flow rate of Alum into the plant. However when implemented in the field, it has become increasingly apparent that there are one or more, possibly yet unidentified, confounding variables that are rendering our equations inaccurate, causing for miss-dosing in the plant, reducing efficiency and at times creating wasteful and dangerous situations for the communities.
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