The Oily Soil Reclaiming by the Spent Selective Sorbent

Abstract

The article is about one of the possible method of the spent sorbent utilization as a recultivated addition for oily soil liquidation. The main sources of the oil pollution are mentioned. It is suggested to use the spent selective sorbent as addition for oil liquidation, which is consisted of 70% of the spent active ooze and 30% of mineral component. The physicochemical properties of the spent sorbent based on the excess active ooze are studied. The average data of nitrogen, phosphorus, potassium containing is mentioned. It is experimentally proved that oily soil, which contains a great amount of organic matter, decreases the toxicity of heavy metals, and plants can delete them. Brassica juncea, which belongs to mustard family, was chosen for the laboratory research as an effective accumulator of the heavy metals ions. The heavy metal ions are absorbed during the process of the Brassica juncea seed sprouting and then they are moved to the top of the plant that is why at the end of the basic process of vegetation the toxic polluted biomass is reduced and utilized. There are recommendations for the preliminary preparation of the spent sorbent before using it as the recultivated addition in the oily soil.