DETERMINATION OF THE HAZARD CLASS OF OIL-CONTAMINATED AND NEUTRALIZED SOIL

Abstract

In this article was studied recycling problem of oil contented waste. there is a processing technology is proposed for oily waste to useful products by using energy storage substance based on humates. Investigated the chemical composition and properties of polluted and neutralized soils of JSC "Ozenmunaygaz". In the laboratory experiments, the death of experimental animals was not observed. It has been established that the contaminated soil belongs to substances third classes of danger. The main danger in polluted soil is cetylene fractions. Neutralized soil has become less toxic and according to the total toxicity index, it is classified as 4th hazard class (low hazard). It was revealed that the decrease in toxicity of the neutralized soil occurs due to the conversion of low-boiling acetylene into high-boiling oil fractions. It is shown that the content of macronutrients and microelements in oil-oiled and neutralized soil significantly exceeds their MPC in the soil or they are located at the clarke level and have no particular effect on the formation of toxic waste. Determination of the radioactivity of contaminated and neutralized soils showed that the studied wastes are not radioactive and can be used in the household activities without restrictions

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