«Environmental protection in oil and gas complex»

Assessment of the prospects for closed-loop economy during bioremediation of oil contaminated soils

UDC: 504.062
DOI: -

Authors:

¹ D.I. Mendeleev Russian University of Chemical Technology, Moscow, Russia

Keywords: structurers, hydrolytic lignin, nature-like technologies, closed-loop economy

Annotation:

The authors of the article consider the possibility of replacing natural structurers by large-tonnage production and consumption organic waste from when bioremediating oil-contaminated soils. The following wastes were selected: hydrolytic lignin, brewer's grain waste and beet pulp. The high efficiency of the bioremediation process implementation was proved when using the selected large-tonnage organic waste. The secondary soil pollution was assessed when involving the proposed secondary resources in economic circulation. A structurer was identified – hydrolytic lignin, which is a secondary resource and the most efficient one as compared with natural structurers when implementing the bioremediation process. The possibility of using hydrolytic lignin as a secondary resource and involving it in economic circulation was confirmed. A flow chart of the process of hydrolytic lignin optimal use was proposed and implemented. The possibility of increasing the efficiency of using secondary resources by their carbonization and the use of carbonizates in bioremediation is considered.

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