cesium removal using cst

  • Cesium Removal Using CST D&D KM-IT

    CST (30/60 mesh pellets suitable for use in conventional ion-exchange columns) was commercialized by UOP Corporation. The skid-mounted Cesium Removal System was designed and fabricated by TTI Engi-neering. Approximately 15% of the cesium-loaded ion-exchange material from the MVST demonstration was sent to SRS for vitrification in a hot cell. CST vitrification studies demonstrated the

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  • Cesium removal using crystalline silicotitanate

    The sorbent is crystalline silicotitanate (CST), an engineered material with a high capacity for sorbing cesium from alkaline wastes. The Cesium Removal System was demonstrated at Oak Ridge using Melton Valley Storage Tank (MVST) waste for feed. Demonstration operations began in September 1996 and were completed during June 1997. Prior to the demonstration, a number of ion-exchange

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  • Cesium Removal from Tank Waste Simulants Using Crystalline

    pretreatment will remove cesium from the waste stream using ion exchange (IX). The selected media for IX is crystalline silicotitanate (CST), product number UOP-IONSIV-R9140-B, manufactured by Honeywell UOP LLC (Des Plaines, IL). Testing was requested by Washington River Protection Solutions to better define IX processing using Low-Activity Waste Pretreatment System (LAWPS) prototypic IX

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  • Cesium Ion Exchange Using Crystalline Silicotitanate with

    waste supernate by filtering to remove solids and processing through ion exchange columns to remove cesium. The ion exchange media is currently (since 2018) targeted to be crystalline silicotitanate (CST). This material has been produced as an engineered form (generally spherical beads) by Honeywell UOP LLC (Des Plaines, IL). Previous forms of this media have been tested in a wide array of

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  • Cesium Ion Exchange Testing Using a Three- Column System

    of a Tank-Side Cesium Removal (TSCR) system, which in effect filters tank waste supernate and processes it through a cesium ion exchange medium to remove . 137. Cs. The . 137. Cs-depleted product is sent to the WTP for vitrification. Rovira et al. (2018) 1. reported the successfu l Cs removal from Hanford tank 241-AP-107 waste (hereafter called AP-107) using crystalline silicotitanate (CST

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  • Conceptual Study of In-Tank Cesium Removal Using an

    This conceptual study investigates a generic in-tank cesium removal flowsheet using two inorganic ion exchange materials: titanates (CST) and IE-96 zeolites. The mathematical model derived for the study assumed a batch process where the ion exchange material and waste are

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  • Cesium Removal from Tank Waste Simulants Using Crystalline

    pretreatment will remove cesium from the waste stream using ion exchange (IX). The selected media for IX is crystalline silicotitanate (CST), product number UOP-IONSIV-R9140-B, manufactured by Honeywell UOP LLC (Des Plaines, IL). Testing was requested by Washington River Protection Solutions to better define IX processing using Low-Activity Waste Pretreatment System (LAWPS) prototypic IX

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  • Cesium Removal from Savannah River Site Radioactive Waste

    CESIUM REMOVAL FROM SAVANNAH lWVER SITE (CST) to remove cesium from Savannah River Site (SRS) radioactive waste. In these tests,IONSIV”IE-911 (UOP LLC, Molecular Sieves Division, Des Planes, IL) --the engineered form of CST --removed cesiurn from radioactive salt solution from SRS Tank 44F. The following conclusion$’summarize the results.. [email protected] removes cesium

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  • Cesium Ion Exchange Using Crystalline Silicotitanate with

    waste supernate by filtering to remove solids and processing through ion exchange columns to remove cesium. The ion exchange media is currently (since 2018) targeted to be crystalline silicotitanate (CST). This material has been produced as an engineered form (generally spherical beads) by Honeywell UOP LLC (Des Plaines, IL). Previous forms of this media have been tested in a wide array of

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  • Test procedures and instructions for Hanford complexant

    This document provides specific test procedures and instructions to implement the test plan for the preparation and conduct of a cesium removal test, using Hanford Complexant Concentrate supernatant liquor from tank 241-AN-107, in a bench-scale column. The cesium sorbent to be tested is crystalline silicotitanate. The test plan for which this provides instructions is WHC-SD-RE-TP-023, Hanford

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  • Modular Cesium Removal Technology Tank Side Cesium Removal

    Chief Technology Officer October 16, 2020. Tank Side Cesium Removal (TSCR) Objectives. Demonstrates modular tank-side technology for treating waste supernatant. Filter solids using backwashable filter technology Remove Cs-137 and Sr-90 with Crystalline Silicotitanate (CST) Early production of feed for WTP LAW-Vitrification commissioning and

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  • Cesium Ion Exchange Testing Using a Three- Column System

    of a Tank-Side Cesium Removal (TSCR) system, which in effect filters tank waste supernate and processes it through a cesium ion exchange medium to remove . 137. Cs. The . 137. Cs-depleted product is sent to the WTP for vitrification. Rovira et al. (2018) 1. reported the successfu l Cs removal from Hanford tank 241-AP-107 waste (hereafter called AP-107) using crystalline silicotitanate (CST

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  • Innovative highly selective removal of cesium and

    The treatment, storage, and disposal of these wastes represents a major cost for nuclear power plant operators, and comprises one of the most challenging technology-driven projects for the DOE Environmental Management (EM) program. Extraction technologies to remove Cesium and Strontium have been an active field of research. Four notable extraction technologies have been developed so

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  • ION EXCHANGE KINETICS OF CESIUM FOR VARIOUS REACTION

    Laboratories, a crystalline silicotitanate (CST), which shows extremely high selectivity for radioactive cesium removal in highly concentrated sodium solutions, was synthesized. The effect of hydrogen peroxide on a CST under cesium ion exchange conditions has been investigated. The experimental results with hydrogen peroxide showed that

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  • Use of silicotitanates for removing cesium and

    Laboratory‐Scale Column Testing Using Crystalline Silicotitanate (IONSIV™ IE‐911) for Removing Cesium from Acidic Tank Waste Simulant. 1: Cesium Exchange Capacity of a 15‐cm 3 Column and Dynamic Stability of the Exchange Media*.

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