PROCESS AND PLANT FOR SEWAGE TREATMENT

摘要

The invention relates to a process for the treatment of sewage from car-washes in a mechanical and biological treatment stage during which the sewage is collected in a tank (3) after passing through a silt trap (2), then is conveyed into a bioreactor (8) via a filter for suspended matter (7). After biological clarification in a pure water container (11), the sewage is collected to be used again. The invention also relates to a plant for carrying out, in particular, said process.