What are the main reasons to monitor and control DO in biological reactors?
While there are almost as many specific reasons as there are treatment facilities, they generally fall into one of three general areas. 1- Reduce the amount of power required to run the blowers. This in turn will significantly reduce plant costs. In general, up to 70% of a facility’s power consumption is for aeration. An industry association estimates that the average treatment facility could save up to 30% by automatically controlling aeration. 2- Optimize the conditions in the basins to achieve the correct microbiological mix. This is especially important in BNR facilities. 3- Reduce the overall maintenance required to operate the biological reactors.
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