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Tritium Storage Development Progress Report No 9 July September 1976 Tritiated Concrete Polymer
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Book Synopsis Tritium Storage Development. Progress Report No. 9, July--September 1976. [Tritiated Concrete-polymer]. by :
Download or read book Tritium Storage Development. Progress Report No. 9, July--September 1976. [Tritiated Concrete-polymer]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lysimeter testing of the polymer impregnated tritiated concrete (PITC) specimens at the Savannah River Plant has continued. After thirty-one weeks, a constant average tritium fraction release rate of 1.16 x 10−6 day−1 was reached in the percolate water with no measurable release into the air. Data from this experiment projected to long-term tritium releases estimate that a complete tritium release from the PITC will require 2,370 years and that the maximum fraction of the initially contained tritium present in the environment will be 2.76 x 10−3 after 17.7 years. A duplicate PITC specimen is in static leaching in distilled water. After 295 days, a constant tritium fraction release rate of 1.89 x 10−5 day−1 was determined for this specimen. Development of the injector technique for PITC production has proceeded with the fabrication of a large-scale 27 gallon PITC casting. This casting was sectioned longitudinally and examined for its physical appearance, integrity, and polymer distribution. A representative of Monsanto Mound Laboratory spent one week at Brookhaven National Laboratory for PITC production technology transfer.
Book Synopsis Radioactive Waste Processing and Disposal by : U.S. Nuclear Regulatory Commission
Download or read book Radioactive Waste Processing and Disposal written by U.S. Nuclear Regulatory Commission and published by . This book was released on 1980 with total page 908 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tritium Storage Development. Progress Report No. 7, January--March 1976. [Polymer Impregnated Tritiated Concrete]. by :
Download or read book Tritium Storage Development. Progress Report No. 7, January--March 1976. [Polymer Impregnated Tritiated Concrete]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer impregnation was shown to greatly improve the leach rate of tritiated concrete specimens on a laboratory scale. This technique is proposed for the disposal of high-level tritiated aqueous waste. Work was directed towards the development of a soak impregnation technique for large-scale samples. Four cylindrical specimens of polymer impregnated tritiated concrete (PITC) 27 cm x 28 cm long, each containing 10 Ci tritium, were produced and buried without containers in individual lysimeters at the Savannah River Plant; they are being monitored. To date, no tritium release has been noted in water or air samples taken from these lysimeters. A duplicate PITC sample also containing 10 Ci tritium was placed in static leaching in distilled water. After thirty-two days of leaching, the average fraction tritium release rate was 1.82 x 10/sup -5/ per day. A technique using an injector to distribute aqueous tritiated waste in dry cement prior to impregnation is under development. This injector method is more compatible with the glove box operations in use with high level tritiated aqueous waste than end-over-end drum tumbling. Initial PITC specimens have been produced using this technique.
Book Synopsis Tritium Storage Development. Progress Report No. 10, October--December 1976. [In Metal Hydride; Polymer-impregnated Tritiated Concrete]. by :
Download or read book Tritium Storage Development. Progress Report No. 10, October--December 1976. [In Metal Hydride; Polymer-impregnated Tritiated Concrete]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Laboratory and engineering scale work has been initiated on the storage of tritium in a metal hydride. Laboratory hydriding apparatus has been assembled and a preliminary series of experiments was carried out on zirconium. Several engineering design concepts for the reaction and storage of tritium in a metal hydride are presented. The design of a three 3-in.-diam. bench scale reaction system is in progress. Developmental work is continuing on the injector technique for the fixation of tritium in polymer-impregnated concrete.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1978 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tritium Storage Development. Progress Report No. 8, April--June 1976 by :
Download or read book Tritium Storage Development. Progress Report No. 8, April--June 1976 written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Lysimeter testing of polymer impregnated tritiated concrete (PITC) specimens at the Savannah River Laboratory (SRL) has continued. After twenty-three weeks, an average tritium fraction release rate of 3.37 x 10−7 day−1 has been determined in the percolate water with no measurable release to the air. Data from this experiment is extrapolated to estimate long-term tritium releases. A duplicate PITC specimen is in static leaching in distilled water. After seventy-two days, the average tritium fraction release rate has been 1.96 x 10−5 day−1. An estimation of the increased severity of static leaching in distilled water relative to lysimeter testing is made.
Book Synopsis Tritium Storage Development. Progress Report No. 11, January--March 1977. [Tritide in Metal Hydride and Tritiated Concrete-polymer]. by :
Download or read book Tritium Storage Development. Progress Report No. 11, January--March 1977. [Tritide in Metal Hydride and Tritiated Concrete-polymer]. written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A large number of zirconium samples were hydrided in the laboratory under varying conditions of temperatures (300 to 900°C) and pressure (0 to 990 torr) for the purpose of defining the conditions needed for preparing hydrides of desirable mechanical properties. After these conditions were established, tritium-containing samples were prepared for leach testing. The construction of engineering-scale equipment for the tritium storage in metal hydride process has been started. Various concrete and polymer reinforcement materials, as well as a polyester additive to the styrene monomer, were investigated in an attempt to improve the physical properties of polymer-impregnated tritiated concrete.
Download or read book Corrosion Abstracts written by and published by . This book was released on 1978 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 776 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tritium Storage Development. Progress Report No. 12, April--June 1977. [In Metal Hydride; Polymer Impregnated Tritiated Concrete]. by :
Download or read book Tritium Storage Development. Progress Report No. 12, April--June 1977. [In Metal Hydride; Polymer Impregnated Tritiated Concrete]. written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Laboratory work was continued on hydriding of zirconium sponge and rod under varying conditions of temperature (400 to 900°C) and pressure (0-1000 torr) to determine optimum conditions for the formation of hydrides with desirable mechanical properties. Titanium sponge and rod were also hydrided for comparison. Zirconium and titanium samples containing tritium were prepared and initial leach data were obtained. Leach rates for zirconium in distilled water ranged from 1.1 x 10−6 to 4.8 x 10−6 cm/day under static conditions and from 2.1 x 10−6 to 1.1 x 10−5 cm/day under dynamic conditions. The leach rates for titanium sponge and rod under static conditions ranged from 2.2 x 10−7 to 1.7 x 10−6 cm/day. Construction of the engineering scale equipment has been completed and testing has been started prior to operation. Lysimeter testing of polymer impregnated tritiated concrete (PITC) specimens has continued. After sixty-two weeks, the average of the four test specimens indicates a a linear rate of release with a slope of 5.23 x 10−2 cm/yr. beginning after 250 days. A duplicate PITC static leach specimen in distilled water after 386 days indicates a linear rate of release with a slope of 3.18 x 10−2 cm/yr. Developmental work is continuing on the injector technique for PITC. Nontritiated prototype specimens, as well as tritiated specimens for static leach testing in distilled water, were prepared. (20 figures, 9 tables).
Book Synopsis Tritium waste control project progress report by : Harold F. Anderson
Download or read book Tritium waste control project progress report written by Harold F. Anderson and published by . This book was released on 1977 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tritium Storage Development. Progress Report No. 13, July--September 1977 by :
Download or read book Tritium Storage Development. Progress Report No. 13, July--September 1977 written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineering-scale operation was started on hydriding of zirconium for application to tritium storage systems. Eight runs were made with commercial-grade zirconium sponge at 338° to 499°C and 0 to 770 torr, hydrided to hydrogen-to-zirconium atom ratios up to 2. Reaction rates were determined for hydrogen flow rates of 2.72 to 9.24 cm3 at STP/g Zr-min. For each run, hydrogen pressure was plotted on a semilog scale against time and H/Zr atom ratio to elucidate the reaction mechanism in terms of reaction kinetics, diffusion, and equilibrium hydrogen vapor pressure. Lack of consistency in some of the runs is probably due to difference in the extent of the diffusion barrier formed on the metal because of reaction with oxygen and other contaminants. Static leach testing of zirconium sponge and rod in distilled water was continued; leach rates ranged from 8.9 x 10−7 to 1.7 x 10−6 cm/day for the 166 to 208 day leach period.
Author :United States. Energy Research and Development Administration. Technical Information Center Publisher : ISBN 13 : Total Pages :1066 pages Book Rating :4.3/5 (129 download)
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration. Technical Information Center
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration. Technical Information Center and published by . This book was released on 1977 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Tritium Waste Control Project. Progress Report by :
Download or read book Tritium Waste Control Project. Progress Report written by and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The tritium effluent control project to reduce emissions at Mound Laboratory and its application to liquid wastes are described. Research progress reported includes increasing the power of the Nd:YAG laser for detritiating voluminous wastes by molecular photoexcitation, and analysis of gas produced from tritiated water and octane. (DLC).
Book Synopsis TRITIUM STORAGE DEVELOPMENT. PROGRESS REPORT NO. 15, JANUARY - MARCH 1978 by : P. Colombo
Download or read book TRITIUM STORAGE DEVELOPMENT. PROGRESS REPORT NO. 15, JANUARY - MARCH 1978 written by P. Colombo and published by . This book was released on 1979 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Safe Handling of Tritium by : International Atomic Energy Agency
Download or read book Safe Handling of Tritium written by International Atomic Energy Agency and published by . This book was released on 1991 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication contains information on the dosimetry and monitoring of tritium, the use of protective clothing for work with tritium, safe practices in tritium handling laboratories and details of tritium compatible materials. The information has been compiled from experience in the various applications of tritium and should represent valuable source material to all users of tritium, including those involved in fusion R&D.
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977-10-15 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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