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Author : Леонид Ильич Брежнев
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (496 download)
Download or read book Воспоминаниâ written by Леонид Ильич Брежнев and published by . This book was released on 1981 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Félix Dujardin
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (459 download)
Download or read book Hermès, journal des nouvelles scientifiques ... written by Félix Dujardin and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 167 pages
Book Rating : 4.:/5 (684 download)
Download or read book Supplementary Information on K-Basin Sludges written by and published by . This book was released on 1999 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three previous documents in this series have been published covering the analysis of: K East Basin Floor and Pit Sludge, K East Basin Canister Sludge, and K West Basin Canister Sludge. Since their publication, additional data have been acquired and analyses performed. It is the purpose of this volume to summarize the additional insights gained in the interim time period.
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ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (684 download)
Download or read book Sampling and Analysis of Sludge from the Hanford K East Basin written by and published by . This book was released on 1996 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sludge samples from the floor of the Hanford K East Basin fuel storage pool has been retrieved and analyzed. Both chemical and physical properties have been determined. The results are to be used to determine the disposition of the bulk of the sludge and possibly assess the impact of residual sludge on dry storage of the associated intact metallic uranium fuel elements.
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ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.:/5 (684 download)
Download or read book Assessment of the Quantities and Distribution of K East Basin Floor Sludge Constituents written by and published by . This book was released on 1996 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Floor sludge constituent masses and their spatial distribution within K East Basin were calculated. This information will be beneficial in the assessing the acceptability of K Basin sludge in the Tank Waste Remediation System and in the design and/or operational practices related to retrieval and handling of this K Basin sludge. Calculations were made based on results from recent laboratory chemical and radionuclides analyses of sludge sampled from thirteen locations in K East main basin. This concentration data was mathematically processed to determine the various constituents concentration distribution throughout the basin floor. This data was further processed, along with data previously generated from the analysis of measured sludge depths, to give both basin total masses and associated spatial distribution of the various sludge constituents. Results of these calculations, showed that the major gravimetric constituents of the sludge are iron (1505 kg), uranium (1387 kg), aluminum, sodium and c2@15cium. Significant amounts of fissionable materials were also calculated: u (9.92 kg) and 239pU (3.42 kg). The calculated distribution of sludge constituent masses showed distinct patterns. Sludge constituent associated with corroded spent nuclear fuel were concentrated near the north-west corner of the basin. Aluminum and iron, and many other elements are mainly located near the mouth of the South Load Out Pit. A value of 10,200 Ci of alpha (5%) + beta (95%) radioactivity was calculated for the total basin floor sludge, and was concentrated near the north-west corner of the basin and near the Dummy Elevator Pit.
Download or read book Particle Size (Sieving) and Enthalpy (Acid Calorimetry) Analysis of Single-Pull K East Basin Floor and Pit Sludges written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents the results of particle size analyses and calorimetry testing performed on selected single-pull sludge samples collected from the Hanford K East Basin between December 1998 and June 1999. The samples were collected as isolated cores predominantly from areas that had not been previously sampled (e.g., North Loadout Pit, Dummy Elevator Pit, Tech View Pit), or from areas in which the sludge composition had been altered since the last sampling (e.g., Weasel Pit). Particle size analyses were performed by washing wet sludge samples through a series of four sieves with openings of 250, 500, 1410, and 4000[micro]m. The loaded sieves were weighed before and after drying to obtain wet and dry particle size distributions. Knowledge of the particle size distribution is needed to design and predict the performance of the systems that will be used to retrieve, transport, and recover sludge. Also, sieving provides an opportunity to observe the components in the sludge. For example, during sieving of the sludge sample from the North Loadout Pit, significant quantities of organic ion exchange beads were observed. The uranium metal content and the particle size of the uranium metal in the K Basin sludge will largely determine the chemical reactivity of the sludge. In turn, the designs for the sludge handling and storage systems must be compatible with the reactivity of the sludge. Therefore, acid calorimetry was performed to estimate the uranium metal content of the sludge. For this testing, sludge samples were dissolved in nitric acid within a calibrated adiabatic calorimeter. The resulting dissolution enthalpy data were then used to discriminate between metallic uranium ([minus]3750 J/g in nitric acid) and uranium oxide ([minus]394 J/g in nitric acid). Results from this testing showed that the single-pull sludge samples contained little or no uranium metal.
Download or read book Characteristics of KE Basin Sludge Samples Archived in the RPL - 2007 written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Samples of sludge were collected from the K East fuel storage basin (KE Basin) floor, contiguous pits (Weasel Pit, North Load Out Pit, Dummy Elevator Pit, and Tech View Pit), and fuel storage canisters between 1995 and 2003 for chemical and radionuclide concentration analysis, physical property determination, and chemical process testing work. Because of the value of the sludge in this testing and because of the cost of obtaining additional fresh samples, an ongoing program of sludge preservation has taken place with the goals to track the sludge identities and preserve, as well as possible, the sludge composition by keeping the sludge in sealed jars and maintaining water coverage on the sludge consistent with the controlling Fluor Hanford (FH) Sampling and Analysis plans and FH contracts with the Pacific Northwest National Laboratory (PNNL). This work was originally initiated to provide material for planned hydrothermal treatment testing in accordance with the test plan for the Sludge Treatment Project (STP) corrosion process chemistry follow on testing (Delegard et al. 2007). Although most of the planned hydrothermal testing was canceled in July 2007 (as described in the forward of Delegard et al. 2007), sample consolidation and characterization was continued to identify a set of well-characterized sludge samples that are suited to support evolving STP initiatives. The work described in the letter was performed by the PNNL under the direction of the Sludge Treatment Project, managed by Fluor Hanford.
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ISBN 13 :
Total Pages : 442 pages
Book Rating : 4.:/5 (684 download)
Download or read book Analysis of Sludge from Hanford K East Basin Canisters written by and published by . This book was released on 1997 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sludge samples from the canisters in the Hanford K East Basin fuel storage pool have been retrieved and analyzed. Both chemical and physical properties have been determined. The results are to be used to determine the disposition of the bulk of the sludge and to assess the impact of residual sludge on dry storage of the associated intact metallic uranium fuel elements. This report is a summary and review of the data provided by various laboratories. Although raw chemistry data were originally reported on various bases (compositions for as-settled, centrifuged, or dry sludge) this report places all of the data on a common comparable basis. Data were evaluated for internal consistency and consistency with respect to the governing sample analysis plan. Conclusions applicable to sludge disposition and spent fuel storage are drawn where possible.
Author : Paul Richard Bredt
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (565 download)
Download or read book Testing and Analysis of Consolidated Sludge Samples from the 105 K East Basin Floor and Canisters written by Paul Richard Bredt and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 522 pages
Book Rating : 4.3/5 (91 download)
Download or read book Proceedings of the Embedded Topical Meeting on DOE Spent Nuclear Fuel & Fissile Material Management, Reno, Nevada, June 16-20, 1996 written by and published by . This book was released on 1996 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (683 download)
Download or read book Data Quality Objectives for Sampling of Sludge from the K West and K East Basin Floor and from Other Basin Areas written by and published by . This book was released on 1998 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document addresses the characterization strategy for those types of sludge not previously characterized or discussed in previous DQO documents. It seeks to ascertain those characteristics of uncharacterized Sludge which are unique with respect to the properties already determined for canister and K East Basin floor Sludge. Also recent decisions have resulted in the need for treatment of the Sludge prior to its currently identified disposal path to the Hanford waste tanks. This has resulted in a need for process development testing for the treatment system development.
Author : Monte R. Elmore
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (565 download)
Download or read book Chemical and Radiochemical Analysis of Consolidated Sludge Samples from the K East Basin written by Monte R. Elmore and published by . This book was released on 2000 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 544 pages
Book Rating : 4.X/5 (2 download)
Download or read book Radioactive Waste Management written by and published by . This book was released on 1995-04 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 77 pages
Book Rating : 4.:/5 (684 download)
Download or read book Design Basis Thermal & Gas Generation Analysis for K East Basin Sludge in Large Diameter Containers written by and published by . This book was released on 2002 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt: A series of design basis thermal and gas generation analyses were made to access the thermal performance of a large diameter container (LDC) containing KE basin sludge.
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ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (685 download)
Download or read book K Basin Sludge Dissolution Engineering Study written by and published by . This book was released on 1998 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this engineering study is to investigate the available technology related to dissolution of the K Basin sludge in nitric acid. The conclusion of this study along with laboratory and hot cell tests with actual sludge samples will provide the basis for beginning conceptual design of the sludge dissolver. The K Basin sludge contains uranium oxides, fragments of metallic U, and some U hydride as well as ferric oxyhydroxide, aluminum oxides and hydroxides, windblown sand that infiltrated the basin enclosure, ion exchange resin, and miscellaneous materials. The decision has been made to dispose of this sludge separate from the fuel elements stored in the basins. The sludge will be conditioned so that it meets Tank Waste Remediation System waste acceptance criteria and can be sent to one of the underground storage tanks. Sludge conditioning will be done by dissolving the fuel constituents in nitric acid, separating the insoluble material, adding neutron absorbers for criticality safety, and then reacting the solution with caustic to co-precipitate the uranium and plutonium. There will be five distinct feed streams to the sludge conditioning process two from the K East (KE) Basin and three from the K West (KW) Basin. The composition of the floor and pit sludges which contain more iron oxides and sand than uranium is much different than the canister sludges which are composed of mostly uranium oxides. The sludge conditioning equipment will be designed to process all of the sludge streams, but some of the operating parameters will be adjusted as necessary to handle the different sludge stream compositions. The volume of chemical additions and the amount of undissolved solids will be much different for floor and pit sludge than for canister sludge. Dissolution of uranium metal and uranium dioxide has been studied quite thoroughly and much information is available. Both uranium metal and uranium dioxide have been dissolved on a large scale in nuclear fuel reprocessing plants in Europe, Japan, and the USA. Ash and sludge containing uranium compounds also have been dissolved in reprocessing or plutonium scrap recovery plants, but only a limited amount of information is available on how the ferric oxyhydroxide, aluminum compounds and silicates in the sand will behave during nitric acid dissolution. Laboratory work with simulants and hot cell work with actual K Basin sludge is in progress to obtain data in these areas.
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Author :
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ISBN 13 :
Total Pages : 328 pages
Book Rating : 4.:/5 (682 download)
Download or read book Evaluation of KE Basin Sludge Radioisotopics & Volumes in Support of the Sludge Water System Safety Analysis [SEC 1 & 2]. written by and published by . This book was released on 2002 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stochastic estimates have been generated for the inventories in sludge containers that will be filled in K East Basin. Using a single retrieval sequence was found to increase the bounding container concentrations by as much as 20% for 6 test sequences.
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ISBN 13 :
Total Pages : 139 pages
Book Rating : 4.:/5 (682 download)
Download or read book Statistical Evaluation of the Data Obtained from the K East Basin Sandfilter Backwash Pit Samples written by and published by . This book was released on 1994 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: Samples were obtained from different locations from the K Each Sandfilter Backwash Pit to characterize the sludge material. These samples were analyzed chemically for elements, radionuclides, and residual compounds. The analytical results were statistically analyzed to determine the mean analyte content and the associated variability for each mean value.
