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Rapid Mix Contact Chamber (RMCC)

Spring 2016
The Rapid Mix Contact Chamber team worked to build a contact chamber that allowed for the rapid mixing of raw water and coagulant, improving upon the existing Rapid Mix Tube by providing a larger volume for mixing to take place. The goal of the team was to determine the shape of the contact chamber that would result in the least coagulant loss and to determine the residence time needed to maximize mixing but minimize coagulant loss. The team used mass balance to determine the loss of coagulant to the flocculator walls and used pigging to clean the flocculator in between trials. Mass balance did not end up working for the team. The end up using a tube settler and its performance as a measure for coagulant loss. The results they found were that contact chambers lessen coagulant loss. They found that residence time has the largest effect and surface area to volume ratio has a smaller effect on coagulant loss.
Fall 2016
For the fall semester, the Rapid Mix Contact Chamber team continued last semester's work in improving the efficiency of the contact chamber performance in the rapid mixing of raw water and coagulant. The goal of the team was to determine the utility of contact chamber by performing the tests with and without the contact chamber using the coagulant properties which were found. The team ran different tests with a straight flocculator to find the relationship between headloss and nanocluster buildup and to measure the difference in the headloss values when the tests were run with and without the contact chamber. The team found that there was no significant reduction in the deposition of nanoclusters on the flocculator walls on adding a contact chamber unit to the apparatus.
Members Spring 2016

Meng Zu - mz436@cornell.edu

Jillian Whiting - jpw236@cornell.edu

Aditi Athavale - asa85@cornell.edu

Members Fall 2016

Joao Carlos Moraes Filho - jdm424@cornell.edu

Javier Escanciano Cabaneros - je342@cornell.edu

Mythri Krishnamoorthysujatha - mk2446@cornell.edu

 

Documents

 

Challenges

Tasks

Symposium

Final Presentation

Final Report

Spring '16

Fall '16

 

 

 

 

 

 

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