Reinforced conventional activated sludge systems are at the basic processes of biological wastewater treatment plants . They are usually built of reinforced concrete and have a high treatment effiency. If requested ,the waste water for garden irrigation is provided as a recovery. Urban drainage systens where possible ,industrial ativities as aresult of the waste water, Water Pollution Control Environmental Law Effluent standards prescribed in the Regulation to ensure that the plants are passed through a pretreatment process.
.jpg)
