Wastewater treatment
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Wastewater treatment, A.O. tank, available in concrete or steel plate welded construction. Compare advantages and disadvantages.
It is usually made of concrete; it mainly depends on the pH level of the wastewater.
Now there are some compact, integrated versions made of steel plates that are welded together
For welding with steel plates, it depends on the quality of your water. Moreover, how thick do the steel plates you plan to use need to be? It corrodes pretty fast! ! ! ! ! ! ! ! !