Environ offers energy efficient aerators

By admin August 11, 2014 11:37 am IST

When evaluating aeration systems, a total performance and cost of operational analysis is critical. The components of this analysis should include an evaluation of the initial capital cost of system installation, all operating and energy costs, and projected maintenance costs. Also included should be an analysis of how well the systems perform the four basic functions as follows:
• Provide sufficient oxygen transfer to promote biological treatment• Provide sufficient mixing  to  ensure homogeneity  of mixed liquor  suspended  solids  and to prevent solids settling• Respond to varying process conditions to maximise energy efficiency• Provide reliable service, without costly maintenance and downtime, and without reduction in oxygen transfer capability.
In diffused aeration system, as the blower blows hot air, the temperature of the effluent rises by 5°c to 8°c due to which the oxygen transfer efficiency reduces. While in mechanical aeration system the temperature of the effluent reduces by 5 C to 8 C and hence oxygen transfer efficiency increases.The distribution of air is not equal in this system. It is equally distributed in all the four corners of the aeration tank by mechanical aerators.

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