UDC

622.24.062(502.17)

Authors

Gubaydullin Marsel’ Galiullovich
Northern (Arctic) Federal University named after M.V. Lomonosov Naberezhnaya Severnoy Dviny, 17, Arkhangelsk, 163002, Russian Federation;
e-mail: m.gubaidulin@narfu.ru
Petrova Anna Viktorovna
RN-Arkhangelsknefteprodukt LLC Talagi settl., 30, Primorsky district, Arkhangelsk region, 163530, Russian Federation;
e-mail: a_petrova@rosneft-anp.ru

Abstract

Development of new technologies of treatment and reduction of class of hazardous waste for oil storage and oil terminals of distribution type, adapted to the conditions of the Far North and equivalent areas, is an actual scientific and practical task. We analyzed the sources of formation and physical and chemical properties of oily waste in the operation of oil storages in the northern areas; proposed the safe cleaning technology of tanks out of sludge, as well as separation, cleaning, neutralization and utilization of watered oily waste with low content of mechanical impurity. The paper presents the developed safety technology of oily waste treatment and suggestions of their disposal in the conditions of a frigid climate. A locally closed technology of waste treatment at the enterprises of oil products supply is proved and an assessment of its economical efficiency is undertaken. Coadministration of potassium permanganate and sodium hypochlorite at defined doses significantly reduces the concentration of iron in the bulk of the wastewater, which increases its degree of clarification. The ways of improving the clarification by sedimentation due to the simultaneous cooling of wastewater to the temperatures of +1...–3 °C were examined. The introduction of the additional cold settling processes into the cleaning cycle will raise the efficiency of treating facilities. The reduction of class of hazardous waste for their disposal in the sludge tanks on the premises can be achieved by thermal oxidation of oil-contaminated residues. The proposed methods were tested in the test laboratory and production sites of the terminal of RNArkhangelsknefteprodukt LLC.

Keywords

Far North, oil storage, safe cleaning technology of tanks out of sludge, disposal in the sludge tanks, reduction of class of hazardous waste

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