radioactive cesium removal

Development of a water purifier for radioactive cesium

Six years after the Fukushima-nuclear accident, the dissolved radioactive cesium (Cs) is now hardly detected in environmental natural waters. These natural waters are directly used as source of drinking and domestic waters in disaster-stricken areas in Fukushima. However, the possibility that some radioactive Cs adsorbed on soil or leaves will contaminate these natural waters during heavy Get price

Removal of Radioactive Cesium Using Prussian Blue

Radioactive cesium (137 Cs) removal has become an emerging issue after the Fukushima Daiichi Nuclear Power Plant Disaster [1,2,3,4]. Thus, radioactive cesium due to its high radioactivity and relatively long half-life time (30.2 years) is a significant component of nuclear wastes and Get price

Removal of Radioactive Cesium ( 134 Cs plus 137 Cs)

Efficient removal of cesium from low-level radioactive liquid waste using natural and impregnated zeolite minerals. J. Hazard. Mater. 172, 416-422. Bostick, D.T., DePaoli, S.M., and Guo, B. (1997). Evaluation of improved techniques for the removal of fission ORNL Get price

National Institute for Environmental Studies Uses

The cesium-accumulating bacteria are likely to simplify the concentrating process, as a concentrating operation is required to measure radioactive cesium contamination. Similar concentration methods using the accumulation ability of microorganisms have been applied to the removal of phosphorus from wastewater using bacteria and the concentration of uranium in sea water using yeast. Get price

Selective removal of cesium and strontium using porous

Selective removal of cesium and strontium using porous frameworks from high level nuclear waste† Briana Aguila,ab Debasis Banerjee,a Zimin Nie,c Yongsoon Shin,a Shengqian Mab and Praveen K. Thallapally*a Eﬃcient and cost-eﬀective removal of radioactive Get price

Removal Efficiency of Radioactive Cesium and Iodine Ions

Efficient removal of cesium from low-level radioactive liquid waste using natural and impregnated zeolite minerals J Hazard Mater. 172: 416–422 [] 16. Shakir K, Sohsah M, Soliman M (2007) Removal of cesium from aqueous solutions and radioactive. Get price

Processes

To remove the radioactive cesium from the polluted environment, tea leaves were chosen as cheap, and abundantly available environment-friendly bio-adsorbents to investigate the alkali metals adsorption. The statements, opinions and data contained in the journal Processes are solely those of the individual authors and contributors and not of the publisher and the editor(s). Get price

Selective removal of cesium and strontium using porous

Efficient and cost-effective removal of radioactive 137Cs and 90Sr found in spent fuel is an important step for safe, long-term storage of nuclear waste. Solid-state materials such as resins and titanosilicate zeolites have been assessed for the removal of Cs and Sr Get price

A Review of Information on Ferrocyanide Solids for

Ferrocyanide solids have important applications to the removal of radioactive cesium from nuclear waste solutions. These materials are prepared by mixing soluble ferrocyanides and salts of divalent transition metals or other divalent cations. The simple precipitations Get price

Synergistically strengthened 3D micro

A novel microporous three-dimensional pomegranate-like micro-scavenger cage (P-MSC) composite has been synthesized by immobilization of iron phyllosilicates clay onto a Prussian blue (PB)/alginate matrix and tested for the removal of radioactive cesium from aqueous solution. Experimental results show that the adsorption capacity increases with increasing the inactive cesium concentration from Get price

Removal Effect of Radioactive Cesium Content in Foods by

removal rate of more than 50% of radioactive cesium were "boil", "stew", "removal of as-tringent taste" and "soak in water or liquid seasoning".Maximum removal rate by these cooking was approximately 90%. On the other hand, removal rate of Get price

REMOVAL OF RADIOACTIVE CESIUM FROM OCEAN

Radioactive cesium transported by rivers was also found in the ocean sludge of Tokyo Bay. Cesium adsorbed on the sludge is not easily removed. One of the authors has developed an ocean sludge decomposition system that employs micro-bubble circulation. Get price

Development of Technologies for Removal of Radioactive

Radioactive cesium concentration: 7,700 Bq/kg Removal of topsoil using soil hardener Itamizawa, area：10 a Radioactive cesium concentration: 9,100 Bq/kg Sunflower Combustion test Numadaira Clear center Decontamination by paddling with water 5 Get price

Effective Removal Of Radioactive Cesium

Cesium 137 (Cs-137) is among the most dangerous radioactive nuclides. With a half-life of 30 years, Cs-137 contaminated areas remain polluted for a long time. The high solubility of cesium salts in water facilitates its dispersal in the environment and its uptake by plants. Get price

Effective Removal of Cesium and Strontium from

The effect of ionic strength and the presence of TBP on the removal efficiency of cesium and strontium have also been studied. DF are observed to be a function of ionic strength and are low in deionized water, in salt solutions containing 1 to 4M sodium nitrate and also in solutions of ILW. Get price

Extraction of radioactive cesium using innovative

Extraction of radioactive cesium using innovative functionalized porous materials† Carole Delchet ab, Alexei Tokarev b, Xavier Dumail b, Guillaume Toquer a, Yves Barr c, Yannick Guari * b, Christian Guerin b, Joulia Larionova b and Agns Grandjean * a a Institut de Chimie Sparative de Marcoule, UMR5257 CEA-CNRS-UM2-ENSCM, BP17171, 30207, Bagnols sur Cze, France. Get price

Removal efficiency of radioactive cesium and iodine ions

Information about the open-access article 'Removal efficiency of radioactive cesium and iodine ions by a flow-type apparatus designed for electrochemically reduced water production.' in DOAJ. DOAJ is an online directory that indexes and provides access to quality Get price

CESIUM REMOVAL FROM ACIDIC RADIOACTIVE WASTE

2020/7/21article{osti_4091613, title = {CESIUM REMOVAL FROM ACIDIC RADIOACTIVE WASTE SOLUTIONS}, author = {Wilding, M W}, abstractNote = {Laboratory research was conducted to develop a method for removing cesium from highly acidic, radioactive, aqueous, fuel-reprocessing waste solutions by ion exchange on ammonium phosphomolybdate (APM). Get price

Cesium Toxicity

Animals ingest flora contaminated with radioactive cesium (and other radioactive materials); then humans ingest that same radioactive cesium when they consume meat from those animals (6). It's also been found that foods that naturally rich in potassium, such as mushrooms and berries, from areas contaminated by radioactive materials tend to contain high levels of cesium-137. Get price

Cesium Removal

Savannah River Remediation Awards Bid for Cesium Removal Process July 18, 2016 Aiken, S.C. - Savannah River Remediation (SRR) awarded a contract this week for Tank Closure Cesium Removal (TCCR), which is designed to enhance the removal of bulk waste from underground radioactive high-level waste storage tanks at the Savannah River Site (SRS). Get price

RADIOACTIVE CESIUM ADSORBENT AND METHOD OF

2020/1/23radioactive cesium adsorbent may be easily recovered after adsorption and removal of radioactive cesium. Method of Removing Radioactive Cesium The present disclosure provides a method of removing radioactive cesium including step (a) of preparing a Get price

Cesium Toxicity

Animals ingest flora contaminated with radioactive cesium (and other radioactive materials); then humans ingest that same radioactive cesium when they consume meat from those animals (6). It's also been found that foods that naturally rich in potassium, such as mushrooms and berries, from areas contaminated by radioactive materials tend to contain high levels of cesium-137. Get price

Removal and adsorption of radioactive cesium from

The removal and adsorption of radioactive cesium, 137Cs or 134Cs, from contaminated soil was investigated using various extractants: sodium hydroxide, hydrochloric acid, and sulfuric acid. In this experiment, a sand sample was used as contaminated soil. Get price