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The design of th EPA scale rapid mix tube is almost exactly that developed for use in the AguaClara treatment plants, simply scaled down to provide a smaller tube and accommodate a small flow rate of water through the system. A separate [MathCAD| file was developed, however, to provide the full design for the EPA rapid mix tube. The flow rates of water through the tube, as well as the size and diameter of the tube itself have become mush smaller, requiring some adjustments to the original tube design. The most notable changes include:
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Photos of the dye flow through the system will be posted as soon as they are taken after further experimentation.
Deliverables
- [EPA scaled Rapid Mix Tube Design|
- This MathCAD file calculates all of the parameters of the flow needed, as well as the sizes of the small and large scale mixing orifices required to achieve a good visual display in the clear PVC rapid mix tube demonstration.