Wastewater treatment systems require substantial inputs of electrical energy. Depending on mill type,
wastewater treatment systems can consume between 1 and 7% or more of the electricity used by the mill.
The primary use for electricity in wastewater treatment operations is for the pumping, mixing and aeration
necessary to support biological treatment of wastewater.
To the extent that reductions in discharges to water would necessitate installation of additional treatment
system capacity or components, electrical consumption would be expected to increase. Reduced
discharges brought about by source reduction activities within the mill could result in either increases or
decreases in energy usage and would be mill- and project-specific with respect to net energy use.
Generalizations cannot be made.
More information is available at the link to the right.
More information:
Energy use for wastewater treatment
- WATER
- ENERGY
- GREENHOUSE GASES
- CHLORINATED COMPOUNDS
- WOOD USE
- ODOR
- EMISSIONS TO AIR
- DISCHARGE TO WATER
- SOLID WASTE
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