Waste Water and Biogas – Ecology and Economy.

The article gives a review upon modern ways of waste water treatment that allow producing of biogas. The article highlights that anaerobic methods are of the significant interest to consider aspects of both ecology and economy. The advantages of anaerobic methods to treat industrial waste water of different origin are described. The article also contains a review of possible implementation of biogas technologies for dairy, brewery and chemical plants. Use of biogas treatment for these types of industries. [ABSTRACT FROM AUTHOR]