Assessment of commercially available ion exchange materials for cesium
The purpose of this report is to conduct a search for commercially available ion exchange materials which could potentially replace CS-100. This report will provide where possible a comparison of these resin in their ability to remove low concentrations of cesium from highly alkaline solutions.
Removing cesium: Solutions to a chemically complex …
research from PNNL, staff at Hanford have removed cesium from more than 697,000 gallons of tank waste—a significant milestone in cleanup progress at Hanford. The evolution of cesium removal ...
Ion Exchange Modeling for Removal of Cesium from …
The expected performance of a proposed ion exchange column using SuperLig{reg_sign} 644 resin for the removal of cesium from Hanford high level radioactive alkaline waste is discussed. This report represents a final report on the ability and knowledge with regard to modeling the Cesium-SuperLig{reg_sign} 644 resin ion …
Cesium Removal from Human Blood by Poly(ethylene glycol
The current oral administration of drugs for cesium (Cs) decorporation treatment are often subject to side effects and low efficiency. Therefore, it is of great significance, yet challenging, to develop novel materials and techniques for efficient removal of Cs from the human body. We report herein …
Cesium removal from radioactive wastewater by …
The removal of cesium by adsorption and membrane separation were summarized. A R T I C L E I N F O. Article history: Received 18 July 2023 Revised 7 November 2023 …
Preliminary Ion Exchange Modeling for Removal of Cesium …
The Superlig materials applicable to cesium removal include the cesium-selective Superlig 632and Superlig 644. These materials have been developed and supplied by IBC Advanced Technologies, Inc., American Fork, Utah. This report describes the testing of the Superlig 644 ion exchange material in a small dual-column system.
Cesium removal from radioactive wastewater by …
• Removal of cesium from radioactive wastewater is still a challenging. • Main approaches used for waste treatment in Fukushima Daiichi accident were …
Industrial scale removal of cesium with hexacyanoferrate …
Since 1985, the use of inorganic hexacyanoferrate-based materials for purification of cesium has been studied. A full-scale system for cesium removal, called the IVO-CsTreat System, was constructed in 1990 to 1991. A method to produce the ion exchanger in granular form in industrial scale was developed, and the facility to produce …
Development of the Next-Generation Caustic-Side Solvent …
This paper describes the chemical performance of the Next-Generation Caustic-Side Solvent Extraction (NG-CSSX) process in its current state of development for removal of cesium from the alkaline high-level tank wastes at the Savannah River Site (SRS) in the US Department of Energy (USDOE) complex.
Removal of radioactive cesium from an aqueous solution …
Scientific Reports - Removal of radioactive cesium from an aqueous solution via bioaccumulation by microalgae and magnetic separation ... Park, C.W. et al. Removal of radioactive cesium from an ...
Actinide, strontium, and cesium removal from Hanford …
A pretreatment flowsheet was tested for separating key radionuclide components from the sludge stored in one of the high level waste tanks (B-110) at the Hanford Site; this sludge resulted primarily from the bismuth phosphate process, which was one of the three major plutonium separation processes used at Handford.
Metal hexacyanoferrates-based adsorbents for cesium removal
Metal hexacyanoferrates (MHCFs), as typical coordination polymers, are efficient adsorbents for the monovalent cesium ion, which is a major product of uranium fission and the most commonly existing radionuclide in radioactive wastewater. Due to the comparable sizes between their structure lattices and hydrated cesium ions, MHCFs can …
Tank-Side Cesium Removal System
The cesium removal system is a key part of the Site's Direct Feed Low Activity Waste (DFLAW) program, an assembly of several highly interdependent projects and infrastructure that will operate together to vitrify and safely dispose of millions of gallons of low-activity tank waste once operational. "This is an exciting new era in our ...
CESIUM REMOVAL FROM ACIDIC RADIOACTIVE WASTE SOLUTIONS …
Ion exchange column experiments using APM on a silica gel carrier indicated that cesium was removed effectively from simulated, highly acidic waste solutions by adsorption on an APM-silica gel column, and that one gram of APM could remove more thsn 99.9% of the cesium from 0.9 liter of synthetic ICPP waste. While other means of adsorbing cesium ...
Removal of cesium from a high-level calcined waste by high …
@article{osti_137291, title = {Removal of cesium from a high-level calcined waste by high temperature volatilization}, author = {Del Debbio, J A}, abstractNote = {Pyrochemical methods are being evaluated for the separation of actinides and fission products from inert material in high-level waste calcine. Separation processes have the …
ION EXCHANGE MODELING FOR REMOVAL OF CESIUM …
The Superlig materials applicable to cesium removal include the cesium-selective Superlig 632and Superlig 644. These materials have been developed and supplied by IBC Advanced Technologies, Inc., American Fork, Utah. This report describes the testing of the Superlig 644 ion exchange material in a small dual-column system.
Cesium Removal Demonstration Utilizing Crystalline …
Abstract: This report provides details of the Cesium Removal Demonstration (CsRD), which was conducted at Oak Ridge National Laboratory (ORNL) on radioactive waste …
MODELING AN ION-EXCHANGE PROCESS FOR CESIUM REMOVAL …
This report presents an evaluation of the expected performance of engineered Crystalline Silicotitanate (CST) and spherical Resorcinol-Formaldehyde (RF) ion exchange resin for the removal of ...
Cesium Removal from AP-105 Hanford Tank Waste Using …
Report Number(s): PNNL-SA-138559 DOE Contract Number: AC05-76RL01830 Resource Type: Journal Article Journal Name: ... be prepared for use in vitrification studies. Cesium removal was required to meet this objective and the waste pretreatment platform, established at Pacific Northwest National Laboratory, was used to …
Removal of Cesium From Acidic Radioactive Tank Waste …
@article{osti_911976, title = {Removal of Cesium From Acidic Radioactive Tank Waste Using IONSIV IE-911 (CST)}, author = {Mann, Nicholas Robert and Todd, Terry Allen}, abstractNote = {IONSIV IE-911, or the engineered form of crystalline silicotitanate (CST), manufactured by UOP Molecular Sieves, has been evaluated for the removal of …
Tank Side Cesium Removal for Hanford Tank Waste
The primary goal of the Tank Side Cesium Removal (TSCR) system, under development by Washington River Protection Solutions, LLC (WRPS), is to remove entrained solids and 137 Cs from the Hanford tank waste supernate to expedite production of low-activity waste. Ion exchange (IX) testing of 10.9 L of waste from Hanford tank 241 …
Removing Cesium: Solutions to a Chemically …
November 16, 2023. Feature. Removing Cesium: Solutions to a Chemically Complex Problem. PNNL science leads to more than 697,000 gallons of pretreated Hanford Site …
DOE Hanford Tank Side Cesium Removal System (TSCR) …
@article{osti_23030480, title = {DOE Hanford Tank Side Cesium Removal System (TSCR) Update: Fabrication and Factory Acceptance Testing - 20300}, author = {Barker, Tracy and Wilson, Rob and Chamberlain, Blake}, abstractNote = {The Tank Side Cesium Removal (TSCR) System is a modular, quickly-deployable, and passively safe …
Cesium Removal from 5.5 and 7.0 M Na AP-105 Using …
The Tank Side Cesium Removal (TSCR) system, currently operational by Washington River Protection Solutions LLC (WRPS), prepares initial low-activity Hanford waste tank supernate feeds for the Hanford Waste Treatment and Immobilization Plant (WTP) Low-Activity Waste (LAW) Facility. ... Report Number(s): PNNL-34395 DOE …
Testing of Crystalline Silicotitanate to Support Tank-Side Cesium …
@article{osti_23030548, title = {Testing of Crystalline Silicotitanate to Support Tank-Side Cesium Removal System Operations - 20458}, author = {Schonewill, P. P. and Colburn, H. A. and Gauglitz, P. A. and Bottenus, C. L.H. and Rovira, A. M. and Burns, C. A. and Bryan, S. A. and Landon, M. R. and Chamberlain, B. E.}, abstractNote = {The direct …
Cesium removal using crystalline silicotitanate. Innovative …
Innovative technology summary report} ... The Cesium Removal System is a modular, transportable, ion-exchange system configured as a compact processing unit. Liquid tank waste flows through columns packed with solid material, called a sorbent, that selectively adsorbs cesium and allows the other materials to pass through. The sorbent …
Tank Side Cesium Removal IXC-150 Cask Detonation Report …
U.S. Department of Energy Office of Scientific and Technical Information. Search terms: Advanced search options. ...
Modeling Ion-Exchange Processing With Spherical Resins For Cesium Removal
Journal Article: Modeling Ion-Exchange Processing With Spherical Resins For Cesium Removal. Modeling Ion-Exchange Processing With Spherical Resins For Cesium Removal. Full Record; ... Report Number(s): SRNL-STI-2012-00575 TRN: US1400094 DOE Contract Number: DE-AC09-08SR22470 Resource Type: Journal …
Ion Exchange Modeling Of Cesium Removal From Hanford …
This report discusses the expected performance of spherical Resorcinol-Formaldehyde (RF) ion exchange resin for the removal of cesium from alkaline Hanford radioactive waste. Predictions of full scale column performance in a carousel mode are made for the Hot Commissioning, Envelope B, and Subsequent Operations waste …
ZAM Modeling Study to Support the Tank Closure Cesium Removal …
Report Number(s): SRNL-STI-2020-00262 TRN: US2202231 DOE Contract Number: AC09-08SR22470 Resource Type: Technical Report Country of Publication: United States ... The Tank Closure Cesium Removal (TCCR) system is a Savannah River Site (SRS) demonstration 'at-tank' process designed to remove {sup 137}Cs from the …
