Development of amendments for rehabilitation of soils, contaminated by radionuclides, and assessment of their application efficacy

Free access article

Issue		Radioprotection Volume 44, Number 5, 2009 ECORAD 2008 - Radioecology and Environmental Radioactivity


Page(s)		135 - 139
DOI		http://dx.doi.org/10.1051/radiopro/20095029
Published online		06 June 2009

Radioprotection 2009, Vol. 44, n° 5, pages 135 à 139

Development of amendments for rehabilitation of soils, contaminated by radionuclides, and assessment of their application efficacy

A. V. Konoplev¹, V. E. Popov¹ and L. N. Maskalchuk²

¹ SI “RPA Association” “Typhoon”, 249038 Obninsk, Russia
² SSO Joint Institute for Power and Nuclear Research - “Sosny”, National Academy of Sciences of Belarus, Minsk, 220109 Belarus

Abstract

Sapropels, hydrolyzed lignin (HL), clay-salt slimes (CSS) and phosphogypsum (PG) have been used as components to develop efficacious and ecologically safe amendments. Methods and models for forecasting effectiveness of countermeasures based on application of such amendments have been proposed. It has been found that ¹³⁷Cs selective sorption on organo-mineral amendments is enhanced after incubation, as compared with the calculated values on the basis of the fractions of total mass of source components and their own ability for ¹³⁷Cs selective sorption. The measured RIP(K) value for the mixtures of soddy-gley soil and organo-mineral amendment at 2% was 1.2–1.6 higher than the calculated one, and at 10% 1.5–1.7 times higher than the calculated.

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