Distribution of inorganic nitrogen compounds in purification of storm wastewater of the engine-building manufactory
Authors:
K. O. Dombrovskyi, Cand. Sc. (Biol.), Assoc. Prof., orcid.org/0000-0001-6965-6989, Zaporizhzhia National University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
O. F. Rylskyi, Dr. Sc. (Biol.), Prof., orcid.org/0000-0002-9631-1828, Zaporizhzhia National University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
P. I. Gvozdiak, Dr. Sc. (Biol.), Prof., orcid.org/0000-0003-0861-1028, A.V. Dumanskiy Institute of Colloid and Water Chemistry of National Academy of Sciences of Ukraine, Kyiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
O. V. Sherstoboieva, Dr. Sc. (Agric.), Prof., orcid.org/0000-0001-8239-0847, Institute of Agroecology and Environmental Management of the National Academy of Agrarian Sciences of Ukraine, Kyiv, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Yu. Yu. Petrusha, Cand. Sc. (Biol.), orcid.org/0000-0003-3041-2877, Zaporizhzhia National University, Zaporizhzhia, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract:
Purpose. To define peculiarities of distribution of nitrates, nitrites, ammonium ions in water and their ratio at biological treatment of storm wastewater of the engine-building manufactory from petroleum products.
Methodology. The efficiency of treatment was tested at real treatment facilities of STF No. 24 Motor Sich Plant, where on different sites of a clearing construction there was determined the content of the Nitrogen compounds in experimental and two control sections of a settler in parallel during purification of wastewater of petroleum products. In the experimental section, purification of storm waters was conducted by means of 76 set “rafts” with a carrier of the “VIYA” type, and in control sections – by means of a biosorbent of “Ekolan-M”.
Findings. Comparative characteristic of space-time distribution of ammonium ions, nitrites and nitrates at biological purification of storm wastewater from petroleum products using the synthetic carrier for an immobilization of microorganisms and a biosorbent was given on the basis of the processed data on the Nitrogen inorganic compounds content in water of a clearing construction. According to the results of calculation of the coefficient of relative utilization of Nitrogen by microorganisms during the process of purification of storm wastewater from petroleum products, we found out that process of ammonium nitrification during the summer season is more intense than during the autumn season. A biotechnology for purification of storm wastewater of oil products is offered with use of the floating bearing elements with a fibrous carrier of the “VIYA” type.
Originality. Biological treatment of storm wastewater from oil products using a carrier of the “VIYA” type is a relevant and primary on the way to environmental safety of surface water. Applying this biotechnology, it is possible to reduce the content of inorganic Nitrogen compounds if a vertical placement of the artificial “VIYA” carrier is additionally implemented to the entire depth of the sewage treatment plant channel (down to 3 m). To do this, we proposed to use the design of “rafts” with additional vertical frames with a carrier of “VIYA” type.
Practical value. When using “rafts” with a carrier of the “VIYA” type for the treatment of oil-contaminated storm wastewater, the economic indicators improved significantly and operating costs decreased at treatment facilities of Motor Sich JSC. The results obtained are the basis for upgrading existing water biotechnologies and developing new ones where for an intensification of processes of purification of storm wastewater of the industrial enterprises of petroleum products the immobilized microbiocenoses are used. Complex use of the fibrous carrier of the “VIYA” type and higher water plants for biological purification of storm wastewater from petroleum products and Nitrogen inorganic compounds will become the subject of our further research studies.
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