How to treat urban wastewater?

How to treat urban wastewater?

The urban wastewater are treated by biological processes, supplemented by physico-chemical dephosphatation. The waters polluted industrial waste is treated separately in specific facilities.

How to remove nitrogen from wastewater?

Nitrogen removal is one of the essential steps in wastewater treatment. Moreover, there are regulatory standards related to nitrogen concentrations at the outlet of the station in many countries. To respect these concentrations, it is necessary to control nitrification and denitrification in an optimal way.

What are the means of wastewater treatment?

Waste water goes into a septic tank, is filtered and disinfected by ozone treatment; the water is then reused for uses such as laundry and toilets. These measures allow them to reuse up to 55% of wastewater by reducing the pressure on water treatment and storage processes.

What is the form of nitrogen?

The measurement of all forms is total nitrogen. It is the most widespread form of ammoniacal nitrogen (NH4-H). Indeed, it is the one present in the urine. Wastewater entering a treatment plant contains a large proportion of organic nitrogen (albumin, carbamide, etc.).

What is waste water nitrogen?

Nitrogen in waste water ➢ The nitrogen present in waste water comes mainly from human waste. The urine contributes largely to this contribution essentially in the form of urea, uric acid and ammonia.