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Water Softener Calculations

The document summarizes the water requirements and equipment selection for a laundry facility. It calculates that the daily water usage is 80560 liters based on a flow rate of 10070 liters/hour over an 8 hour work day. It then determines that a water softener with an exchange capacity of 90,000 grains and 50 GPM flow rate is needed based on the daily water usage of 21282 gallons and hardness level of the fresh water supply.

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165 views1 page

Water Softener Calculations

The document summarizes the water requirements and equipment selection for a laundry facility. It calculates that the daily water usage is 80560 liters based on a flow rate of 10070 liters/hour over an 8 hour work day. It then determines that a water softener with an exchange capacity of 90,000 grains and 50 GPM flow rate is needed based on the daily water usage of 21282 gallons and hardness level of the fresh water supply.

Uploaded by

parthiv
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as DOCX, PDF, TXT or read online on Scribd
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Total flow of all laundry equipment: 10070 liters/hour or 45 USGPM (As per laundry drawings)

Working Duration: 8 Hrs. (As per laundry Consultant)


Daily Requirement: 10070 * 8 = 80560 liters/day or 21282 gallons/day

Hardness of Fresh Water: 173 ppm or 10.12 grains/gallon (As per MEW Standard)
Exchange Capacity required: 21282 x 10.12 = 215364 grains

Selection: Softener with exchange capacity of 90,000 grains (@ 15 lbs/ft3) and 50 GPM flow rate.

MEW Fresh Water Standards:

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