The following utility commodity rates have been reviewed with the University of Illinois at Urbana Champaign Office of the Provost and have been approved for use as of July 1, 2021:
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- 5.2 Reduce cooling tower water use
- 2015 Illinois Climate Action Plan (iCAP)
Key Objective: 5.2 Reduce cooling tower water use
The 2015 iCAP, chapter 5, objective 2 is "Improve the water efficiency of cooling towers by limiting the amount discharged to sewer to less than 20% of water intake for chiller plant towers, and less than 33% for stand-alone building towers, by FY20."
Associated Metric
No metric specified for this objective
Explanation
In FY11, the Student Sustainability Committee (SSC) sponsored a project to identify water conservation opportunities in our campus cooling tower operations. By increasing the number of times water can be recycled through a cooling tower before it is drained to the sewer, it was estimated that the overall water use can be reduced by 26%. We could initiate such a program in the chiller plant cooling towers by FY17, and extend this to all cooling towers by FY20. In general, the water efficiency of cooling towers should be such that the amount discharged to the sewer should be one-quarter or lower relative to the evaporated amount.
Associated Project
Theme
Project History
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9/24/2021
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9/19/2018
After the iWG meeting on September 17, 2018, Dr. Cai sent the following response to the SWATeam regarding ECONS007:
Dear ECBS SWATeam,