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Small Column Ion Exchange Testing Of Superlig 644 For Removal Of 137cs From Hanford Tank Waste Envelope A Tank 241 Aw 101
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Book Synopsis Small Column Ion Exchange Testing of Superlig 644 for Removal of 137Cs from Hanford Tank Waste Envelope A (Tank 241-AW-101). by :
Download or read book Small Column Ion Exchange Testing of Superlig 644 for Removal of 137Cs from Hanford Tank Waste Envelope A (Tank 241-AW-101). written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The current BNFL Inc. flow sheet for the pretreatment of the Hanford High-Level tank wastes includes the use of Superlig[reg-sign] materials for the removal of[sup 137]Cs from the aqueous fraction of the waste. The Superlig materials applicable to cesium removal include the cesium selective Superlig 632 and Superlig 644. These materials have been developed and supplied by IBC Advanced Technologies, Inc., American Fork, UT. The work contained in this report involves testing the Superlig 644 ion exchange material in a small dual column system (15 mL each; L/D= 5.7). The sample processed was approximately 2.5 L of diluted waste[Na[sup+]]= 4.6M from Tank 241-AW-101 (Envelope A). This waste had been previously clarified in a single tube cross-flow filtration unit. All ion exchange process steps were tested including resin bed preparation, loading, feed displacement water rinse, elution and resin regeneration. During the initial run, the lag column did not perform as expected so that the[sup 137]Cs concentration in the effluent composite was above the LAW treatment limits. This required a second column run with the partially decontaminated feed that was conducted at a higher flow rate. A summary of performance measures for both runs is shown in Table S1. The Cs[lambda] values represent a measure of the effective capacity of the SL-644 resin. The Cs[lambda] of 143 for the lead column in run 1 is very similar to the value obtained by the Savannah River Technology Center during Phase 1A testing. The larger Cs[lambda] value for run 2 reflects a general trend for the effective capacity of the SL-644 material to increase as the cesium concentration decreases. The low value for the lag column during the first run indicates that it did not perform as expected. This may have been due to insufficient conditioning of the bed prior to the start of the loading step or to air in the bed that caused channeling. Equilibrium data obtained with batch contacts using the AW-101 Cs IX feed indicates a range for the Cs[lambda] of 80--97. The maximum decontamination factor (DF) for[sup 137]CS is based on analysis of the first samples collected from each column and the concentration in the feed for each run. While the DF's are lower for the second run, this is attributed to the lower[sup 137]Cs concentration in the feed and the increased flowrate. The overall composite DF for run 2 was quite good since both columns functioned well. The overall DF for both runs was 3,000, which provided an effluent with a[sup 137]Cs concentration of 5.89E-02 Ci/m[sup 3] (C/C[sub 0]= 3.3 IE-04). The[sup 137]Cs concentration in the effluent composite was 7.3% of the contract limit for[sup 137]Cs and also below the basis of design limit.
Book Synopsis Engineering Separations Unit Operations for Nuclear Processing by : Reid Peterson
Download or read book Engineering Separations Unit Operations for Nuclear Processing written by Reid Peterson and published by CRC Press. This book was released on 2019-11-15 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineering Separations Unit Operations for Nuclear Processing provides insight into the fundamentals of separations in nuclear materials processing not covered in typical texts. This book integrates fuel cycle and waste processing into a single, coherent approach, demonstrating that the principles from one field can and should be applied to the other. It provides historical perspectives on nuclear materials processing, current assessment and challenges, and how past challenges were overcome. It also provides understanding of the engineering principles associated with handling nuclear materials. This book is aimed at researchers, graduate students, and professionals in the fields of chemical engineering, mechanical engineering, nuclear engineering, and materials engineering.
Book Synopsis Small Column Ion Exchange Testing of SuperLig 644 for Removal of [137]Cs from Hanford Waste Tank 241-AZ-101 (Envelope B). by : Sandra K. Fiskum
Download or read book Small Column Ion Exchange Testing of SuperLig 644 for Removal of [137]Cs from Hanford Waste Tank 241-AZ-101 (Envelope B). written by Sandra K. Fiskum and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small Column Ion Exchange Testing of SuperLig 644 for Removing [137]Cs from Hanford Waste Tank 241-AN-102 Supernate (Envelope C) Mixed with Tank 241-C-104 Solids (Envelope D) Wash and Permeate Solutions by : Sandra K. Fiskum
Download or read book Small Column Ion Exchange Testing of SuperLig 644 for Removing [137]Cs from Hanford Waste Tank 241-AN-102 Supernate (Envelope C) Mixed with Tank 241-C-104 Solids (Envelope D) Wash and Permeate Solutions written by Sandra K. Fiskum and published by . This book was released on 2003 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple Ion Exchange Column Tests for Technetium Removal from Hanford Tank Waste Supernate by :
Download or read book Multiple Ion Exchange Column Tests for Technetium Removal from Hanford Tank Waste Supernate written by and published by . This book was released on 2004 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Five cycles of loading, elution, and regeneration were performed to remove technetium from a Hanford waste sample retrieved from Tank 241-AW-101 using SuperLig 639 resin. The waste sample was diluted to 4.95 M Na plus and then was processed to remove 137Cs through dual ion exchange columns each containing 15 mL of SuperLig 644. To remove 99Tc, the cesium decontaminated solution was processed downwards through two ion exchange columns, each containing 12 mL of SuperLig 639 resin. The columns, designated as lead and lag, each had an inside diameter of 1.45 cm and a height of 30 cm. The columns were loaded in series, but were eluted and then regenerated separately. The average technetium loading for the cycles was 250 BV at 10 percent breakthrough. There was no significant difference in the loading performances among the five cycles. The percent removal of 99Tc was greater than 99.94 percent and the average decontamination factor (DF) was approximately 1.7 x 103. Approximately 99 percent of the 99Tc loaded on the resin was eluted with less than 15 BV of de-ionized water at 65 degrees C.
Book Synopsis Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank Waste Envelope A (Tnak 241-AW-101). by :
Download or read book Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank Waste Envelope A (Tnak 241-AW-101). written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: No abstract prepared.
Book Synopsis Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank Waste Envelope B (Tank 241-AZ-101). by : Ingrid E. Burgeson
Download or read book Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank Waste Envelope B (Tank 241-AZ-101). written by Ingrid E. Burgeson and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Spent Ion Exchange Media by :
Download or read book Analysis of Spent Ion Exchange Media written by and published by . This book was released on 2000 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: The current BNFL Inc. flowsheet for the pretreatment of the Hanford High-Level tank wastes includes the use of Superlig{reg_sign} materials for the removal of 137Cs and 99Tc from the aqueous fraction of the waste. The cesium-selective Superlig{reg_sign} 644 (SL-644) and the technetium-selective Superlig{reg_sign} 639 (SL-639) have been evaluated in tests with actual waste samples. These materials have a finite processing lifetime in the plant and will need to be disposed of. The composition and level of residual radionuclide contamination is important for assessing various disposal pathways for the Superlig{reg_sign} materials. This report contains the results of analyses of subsamples of the SL-639 and SL 644 materials that have been used in small column testing of actual waste samples at the Radiochemical Processing Laboratory. The wastes that have been tested include samples from Tanks 241-AW-101 and 241-AN-107. The analyses of the spent resins include inductively coupled plasma/atomic emission spectrometry (ICP-AES) for metals, cold vapor atomic absorption (CVAA) spectroscopy for mercury, gamma energy analysis (GEA) for radionuclides and inductively coupled plasma/mass spectrometry (ICP-MS) for selected metals and radionuclides. While these results provide an indication of the analyte concentrations that may be left on the spent resin, they do not fully represent the concentrations that may be found after extended plant processing with additional load/elute cycles and different waste compositions. BNFL estimates that the SL-644 may last for 100 load/elute cycles with Envelope A and C wastes and 20 cycles with Envelope B wastes. The number of useable load/elute cycles for the SL-639 is not well defined, but is likely on the order of hundreds.
Book Synopsis Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank 241-AN-102 Supernate (Envelope C) Mixed with Tank 241-C-104 Solids (Envelope D) Wash and Permeate Solutions by :
Download or read book Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank 241-AN-102 Supernate (Envelope C) Mixed with Tank 241-C-104 Solids (Envelope D) Wash and Permeate Solutions written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank Waste 241-AN-102 Supernate (Envelope C) Mixed with Tank 241-C-104 Solids (Envelope D) Wash and Permeate Solutions by : Ingrid E. Burgeson
Download or read book Small Column Testing of SuperLig 639 for Removing 99Tc from Hanford Tank Waste 241-AN-102 Supernate (Envelope C) Mixed with Tank 241-C-104 Solids (Envelope D) Wash and Permeate Solutions written by Ingrid E. Burgeson and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technetium Removal Column Flow Testing with Alkaline, High Salt, Radioactive Tank Waste by : David L. Blanchard (Jr.)
Download or read book Technetium Removal Column Flow Testing with Alkaline, High Salt, Radioactive Tank Waste written by David L. Blanchard (Jr.) and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Attestation des bonne vie, moeurs & bon exemple des religieuses de Saincte-Claire de la ville du Puy & de leur confesseur, faite par les personnes les plus qualifiez... de ladite ville..., contre les mauvais bruits qu'en a fait courir secrettement Monsieur l'évêque du Puy by :
Download or read book Attestation des bonne vie, moeurs & bon exemple des religieuses de Saincte-Claire de la ville du Puy & de leur confesseur, faite par les personnes les plus qualifiez... de ladite ville..., contre les mauvais bruits qu'en a fait courir secrettement Monsieur l'évêque du Puy written by and published by . This book was released on 1654 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ion Exchange Technologies by : Ayben Kilislioglu
Download or read book Ion Exchange Technologies written by Ayben Kilislioglu and published by BoD – Books on Demand. This book was released on 2012-11-07 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains information about the technological development of ion exchange in their application for industrial processes. Widely used and well known fields of ion exchange like chromatography and electromembrane technology are described in this book with experimental details. Designing new materials for nanotechnology and nanomaterials as ion exchanger are also explained by experimental proofs. Ion exchange book is suitable not only for postgraduate students but also for researchers in chemistry, biochemistry and chemical technology.
Book Synopsis The 1996 Baseline Environmental Management Report: Report by :
Download or read book The 1996 Baseline Environmental Management Report: Report written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Capital Programming Guide by : United States. Office of Management and Budget
Download or read book Capital Programming Guide written by United States. Office of Management and Budget and published by . This book was released on 1997 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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