Filter-sorption method for treatment of oil-containing wastewater with non-woven sorbent «Ecosorb»
https://doi.org/10.31242/2618-9712-2020-25-1-12
Abstract
The paper presents the results of the study of the efficiency of sorption treatment of oily wastewater using nonwoven sorbing material «Ecosorb» as a filter load. The tests of the filter unit showed that the highest purification efficiency of oily wastewater in a given operating mode is achieved with four layers of sorbent in the filter. The most optimal density of the sorbent in the filter corresponded to four layers or 2.4 cm in total thickness. With an excessive increase in the number of layers, and accordingly the density of the packing, it leads to a decrease in the filtration efficiency due to both the overlap of the fibers and the decrease in its porosity. The results of cleaning oil-containing waste water when placing the sorbent in four layers show that the cleaning efficiency is 79 and 97 %, and the concentration of petroleum products in the treated water is 0.17 and 0.25 mg/l, respectively. The tests have shown that «Ecosorb» has a sufficiently high sorption capacity in relation to oil and can be used as a effective sorbing load for filters for pretreatment of oil-containing wastewater.
Supporting agencies: The research was carried out within the framework of project No. AAAAA 17- 117040700036-4.
About the Author
S. E. Efimov
Institute of Oil and Gas Problems of Siberian Branch of the Russian Academy of Sciences
Russian Federation
Russian Federation
EFIMOV Sergey Egorovich, junior researcher
Yakutsk, 677980, 2 Petrovskogostr.
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Review
For citations:
Efimov S.E. Filter-sorption method for treatment of oil-containing wastewater with non-woven sorbent «Ecosorb». Arctic and Subarctic Natural Resources. 2020;25(1):118-124. (In Russ.) https://doi.org/10.31242/2618-9712-2020-25-1-12
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