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Equipment for Rapid Freezing of Oil Contaminated Soil by Liquid Nitrogen for Its Subsequent Utilization

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Chemical and Petroleum Engineering Aims and scope

The authors propose a freezing method for liquidating the consequences of oil spills using liquid nitrogen. For freezing flat surfaces contaminated with oil, a cryogenic device with a set of two-zone modules is developed. Contaminants located in hard-to-reach places or places with complex surface relief are treated with a pistol-type liquid nitrogen sprayer. A prototype pistol-type device has been created, experimental studies demonstrate the effectiveness of the proposed solution. Based on the proposed cryogenic devices, mathematical models have been developed for calculating the main parameters of freezing contaminated soil with liquid and gaseous nitrogen — the duration of the process and the final temperature. A calculation of these parameters of the oil freezing process is necessary for practical implementation of the proposed cryogenic devices, and the calculation methods used are applicable for any technogenic pollution.

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Correspondence to K. P. Venger.

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Translated from Khimicheskoe i Neftegazovoe Mashinostroenie, Vol. 57, No. 5, pp. 23–25, May, 2021.

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Venger, K.P., Stefanova, V.A., Feskov, O.A. et al. Equipment for Rapid Freezing of Oil Contaminated Soil by Liquid Nitrogen for Its Subsequent Utilization. Chem Petrol Eng 57, 398–402 (2021). https://doi.org/10.1007/s10556-021-00950-9

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  • DOI: https://doi.org/10.1007/s10556-021-00950-9

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