Published 2002
| Version v1
Journal article
Behavior of 137Cs during decontamination of soil from block 5 of Vasilevsky Island
- 1. Sankt-Peterburgskij Gosudarstvennyj Gornyj Inst. (Tekhnicheskij Univ.), Sankt-Peterburg (Russian Federation)
Description
Behavior of 137Cs in the course of decontamination by soil washing of block 5 of Vasilievsky Island with solutions of Trilon B, HNO3 and FeCl3 was studied. The highest degree of purification (60%) was attained when equimolar amounts of FeCl3 and NH4Cl are used in solution with concentration 0.02 mol/l at liquid to solid ratio equal to 20 l/kg. The factor of cesium distribution between the soil and solution, i.e. Ds/l equals 12, actually coinciding with the one for soil from Bryansk region and being essentially lower than the values for soil from Guriev region. Differences in Ds/l are explained relying on mineral composition of the grounds
Abstract (Russian)
Изучено поведение 137Cs в процессе промывной дезактивации грунта 5-го квартала Васильевского о-ва растворами трилона Б, HNO3 и FeCl3. Наибольшая степень очистки (60%) получена при использовании раствора эквимолярных количеств FeCl3 и NH4Cl с концентрацией 0.02 моль/л при отношении ж/тв = 20 л/кг. Коэффициент распределения цезия между грунтом и раствором Dт/ж равен 12 и практически совпадает с таковым для грунта из Брянской области и значительно ниже значения для грунта из Гурьевской области. Различия Dт/ж объяснены на основе минерального состава грунтовAdditional details
Additional titles
- Original title (Russian)
- Поведение
Publishing Information
- Journal Title
- Radiokhimiya
- Journal Volume
- 44
- Journal Issue
- 4
- Journal Page Range
- p. 378-381
- ISSN
- 0033-8311
- CODEN
- RADKAU
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 35001486
- Subject category
- S38: RADIATION CHEMISTRY, RADIOCHEMISTRY AND NUCLEAR CHEMISTRY; S54: ENVIRONMENTAL SCIENCES;
- Descriptors DEI
- AQUEOUS SOLUTIONS; CESIUM 137; CONCENTRATION RATIO; DECONTAMINATION; DISTRIBUTION FUNCTIONS; EDTA; EFFICIENCY; IRON CHLORIDES; LEACHING; NITRIC ACID; SOILS
- Descriptors DEC
- AMINO ACIDS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CARBOXYLIC ACIDS; CESIUM ISOTOPES; CHELATING AGENTS; CHLORIDES; CHLORINE COMPOUNDS; CLEANING; DISPERSIONS; DISSOLUTION; FUNCTIONS; HALIDES; HALOGEN COMPOUNDS; HOMOGENEOUS MIXTURES; HYDROGEN COMPOUNDS; INORGANIC ACIDS; INORGANIC COMPOUNDS; INTERMEDIATE MASS NUCLEI; IRON COMPOUNDS; ISOTOPES; MIXTURES; NITROGEN COMPOUNDS; NUCLEI; ODD-EVEN NUCLEI; ORGANIC ACIDS; ORGANIC COMPOUNDS; OXYGEN COMPOUNDS; RADIOISOTOPES; SEPARATION PROCESSES; SOLUTIONS; TRANSITION ELEMENT COMPOUNDS; YEARS LIVING RADIOISOTOPES
Optional Information
- Notes
- 10 refs., 2 tabs.