Process for removing ammonium salts hydroxyl wastewater containing them.

The invention relates to a process for preparing SALES HIDROXILOAMONICAS FROM SEWAGE THROUGH THE TREATMENT PH acid with manganese oxide (IV) IN EXCESS is characterized in that the treatment is performed with a molar manganese oxide (IV) relationship and DE hydroxylammonium OF (0.5 / 1), at a temperature between 10 and 100 CY pH between 1 and 4.