Chemical Dose Controller
Overview
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The chemical dose controller increases the resiliency of AguaClara plants because operators are only required to adjust chemical dosing settings based on incoming turbidity, not based on flow rates. The linear chemical dose controller is currently comprised of three components, the linear flow orifice meter, the flow controller, and the chemical doser. These components of the system act together to allow the plant to respond to changes in inflow by both linearizing the change in plant flow and automatically adjusting chemical dosing to the plant. A nonlinear dose controller is being designed for high flow rates where the linear dose controller fails.
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Current Research Teams
Linear Chemical Dose Controller
- The linear dose controller uses major losses to adjust chemical doses to the plant as raw water flow rates change.
Nonlinear Chemical Dose Controller
- Major losses cannot be used to adjust chemical flow rates when flow in the dosing tube is turbulent. Therefore, a chemical doser with a constant but precise nonlinear chemical dose response to changes in plant flow is being designed.
[Gracias Entrance Tank Design]
- The design of the entrance tank for high flow rate plants such as Gracias.