Domestic sewages traditionally include the wide group of wastewaters that are formed in objects of home use, for example: private houses, hotels, public catering companies, recreation centers, laundries, saunas and other objects related to human activity.

In modern life a growing problem create a different of waste:

1. Components of human excreta
2. Pollutants produced from food processing, laundry, domestic cleaning, etc.
3. Solid wastes like polyethylene, paper, etc.
4. Microorganisms, including opportunistic and pathogenic species

A significant part of water pollution is brought by detergents (cleaning agents). They are composed from SAS surface active substances) as an active base and different admixtures: neutral and alkaline electrolytes, peroxide compounds, substances preventing pollutants resorption. When entering the water objects detergents cause foaming, worsen organoleptic characteristics of water, impair the processes of oxygen exchange, have toxic influence on fauna, obstruct biological oxidation of organic substances, hamper the bioremediation of sewage waters.

Household waste not only creates inconvenience but also cause great harm to the environment, groundwater, air. Developed biological products have been successfully used to eliminate existing threats.