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Development a permeable reactive barrier for improvement of ecology status of Zhovty Vody cityNormal access

Authors: B. Kornilovych, L. Spasonova, I. Kovalchuk and Y. Koshyk
Event name: 13th International Conference on Monitoring of Geological Processes and Ecological Condition of the Environment
Session: 1 Monitoring and modelling of natural hazards and new technologies for risk minimization and prevention
Publication date: 12 November 2019
DOI: 10.3997/2214-4609.201903174
Language: English
Info: Extended abstract, PDF ( 499.07Kb )
Price: € 20

The development of mining and processing industries in Ukraine has increased the risk of negative impact on environment. One of the most complicated environment situations in Ukraine is the Kryvyi Rig basin, where iron ore and uranium are mined at numerous quarries. A variety of methods have been proposed for remediating water, soil and sediments. A relatively new (in Eastern Europe) in-situ method is a permeable reactive barrier (PRB) that is constructed in the subsurface to intercept and treat contaminated groundwater. One of the most promising substrate materials for PRBs is zero-valent iron which has been extensively studied in recent years. Biological treatment using PRB technology is also very promising. PRB technology employing zerovalent iron which combines subsurface fluid-flow management with contaminant treatment by biogeochemical processes are also very perspective. Batch and column experiments provided with real contaminated ground water from Zhovty Vody site show the potential for zero valent iron based remediation technologies in effective removing of uranium. Also, the provided biological experiments showed possibility for the indigenous cultures of bacteria from Zhovty Vody city to reduce U(VI) under anaerobic conditions. The results obtained proved the acceptable potential of this indigenous consortium for bioremoval of uranium from contaminated groundwater.

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