CHILLER WATER SAMPLING DEVICE
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United States of America Patent
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Issued Date -
Jun 17, 2021
app pub date -
Nov 14, 2018
filing date -
Nov 14, 2018
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Abstract
A chiller water sampling device includes a pair of flow meters and a proportional valve to provide a constant flow rate of sample water containing peroxyacetic acid from a chiller to a mixing tank. Acid can be added to reduce the pH of sample water in the mixing tank to bring the pH within the operating range of a peroxyacetic acid sensor. The sensed level of peroxyacetic acid can be used to control further addition of peroxyacetic acid to the chiller.
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