Means for supporting the process of denitrification of wastewater in municipal wastewater treatment plants in terms of maintaining a stable low ambient temperatures

摘要

the measure to assist the process in municipal sewage treatment plants denitrification conditions maintain stable low temperatures made for base oils fuzlowych characterised according to the invention that contains crude ethyl alcohol and / or alcohol porektyfikacyjn y of 0.7 - 10.5% by volume.