DINOTEC’s DOÑANA CICLE modules are made of GRP through continuous winding of yarns and have a horizontal, cylindrical, diaphanous shape. They are based on the biological process of extended aeration, which has the highest performance (more than 95 % in BOD₅ and solids in suspension).

They are sequential biological reactors in batches defined as SBR and are based on the principle of treatment through total oxidation, with buried GRP prefabricated modules. In that way, we avoid the possibility of odors formation within the treatment unit.

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