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your location: products > Miscellaneous Industrial Systems > fluid recovery systems > 180° F bleach / scour rinsewater reuse
Cost Reduction Analysis: 180° F. Bleach / Scour Rinsewater Reuse
A textile bleaching, dyeing, and finishing plant was periodically exceeding their permitted wastewater flow on an intermitent basis. The plant had plans to increase production during the next two years.
An increase in permitted wastewater flow was not likely due to discharge limitations placed on the POTW which the plant discharged into.
This prompted an exploration of ways to reduce water consumption to allow for production increases. The bleaching and scouring processes that process cotton fabric were concluded to be a highly probable area for water reuse due to their consistent wastewater quality, continuous flow rates, and minimal make-up of contaminants. Membrane technology was piloted to determine the feasibility.
Below listed are annualized cost reductions that could be achieved.
System Parameters
- 90% Recovery
- 82% Boiler Efficiency
- 70°F Incoming Water Temp
- 110°F Wastewater Temp w/ 10°F
Annual Costs:
Power $9,400
Membrane Replacemt.
(assuming 3yr. life) $8,400
Prefilters $13,600
Cleaning $3,230
Operation & Maint. $9,250
Parts $3,350
Activated Carbon $1,125
Catalyst Coating $10,000
Annual Savings:
Water $27,235
Fuel $91,06l
Wastewater $55,566
Total Savings $173,865Total Annual Costs: $58,355
Net Annual Savings = $115,510
Other Cost Reduction Analysis examples include...
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