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Author : L. L. Burger
Publisher :
ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Chemistry of Tributyl Phosphate written by L. L. Burger and published by . This book was released on 1955 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (685 download)
Download or read book The Chemistry of Tributyl Phosphate at Elevated Temperatures in the Plutonium Finishing Plant Process Vessels written by and published by . This book was released on 1994 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Potentially violent chemical reactions of the tributyl phosphate solvent used by the Plutonium Finishing Plant at the Hanford Site were investigated. There is a small probability that a significant quantity of this solvent could be accidental transferred to heated process vessels and react there with nitric acid or plutonium nitrate also present in the solvent extraction process. The results of laboratory studies of the reactions show that exothermic oxidation of tributyl phosphate by either nitric acid or actinide nitrates is slow at temperatures expected in the heated vessels. Less than four percent of the tributyl phosphate will be oxidized in these vented vessels at temperatures between 125°C and 250°C because the oxidant will be lost from the vessels by vaporization or decomposition before the tributyl phosphate can be extensively oxidized. The net amounts of heat generated by oxidation with concentrated nitric acid and with thorium nitrate (a stand-in for plutonium nitrate) were determined to be about -150 and -220 joules per gram of tributyl phosphate initially present, respectively. This is not enough heat to cause violent reactions in the vessels. Pyrolysis of the tributyl phosphate occurred in these mixtures at temperatures of 110°C to 270°C and produced mainly 1-butene gas, water, and pyrophosphoric acid. Butene gas generation is slow at expected process vessel temperatures, but the rate is faster at higher temperatures. At 252°C the rate of butene gas generated was 0.33 g butene/min/g of tributyl phosphate present. The measured heat absorbed by the pyrolysis reaction was 228 J/g of tributyl phosphate initially present (or 14.5 kcal/mole of tributyl phosphate). Release of flammable butene gas into process areas where it could ignite appears to be the most serious safety consideration for the Plutonium Finishing Plant.
Author : T. W. Bartlett
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)
Download or read book Some Factors Influencing the Use of Tributyl Phosphate for the Extraction of Uranium in Analysis written by T. W. Bartlett and published by . This book was released on 1951 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Leland L. Burger
Publisher : Springer
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.0/5 ( download)
Download or read book SCIENCE AND TECH TRIBUTYL PHOSP PART A written by Leland L. Burger and published by Springer. This book was released on 1987-02-28 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9780849363993
Total Pages : 146 pages
Book Rating : 4.3/5 (639 download)
Download or read book Science and Technology of Tributyl Phosphate: Selected technical and industrial uses written by and published by . This book was released on 1987 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Steven Kertes
Publisher : CRC-Press
ISBN 13 : 9780849363931
Total Pages : 381 pages
Book Rating : 4.3/5 (639 download)
Download or read book Sci & Tech Tributyl Phosphate Extraction Water Acids written by A. Steven Kertes and published by CRC-Press. This book was released on 1990-11-30 with total page 381 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. L. Burger
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Esters of the Acids of Phosphorus as Solvents written by L. L. Burger and published by . This book was released on 1957 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Richard Montgomery Stephenson
Publisher : Springer Science & Business Media
ISBN 13 : 9400931735
Total Pages : 561 pages
Book Rating : 4.4/5 (9 download)
Download or read book Handbook of the Thermodynamics of Organic Compounds written by Richard Montgomery Stephenson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together data from Czechoslovakia on vapor pressures, data from England on critical properties, and data from America on physical properties of organic and organometallic compounds to provide a basic reference book for engineers and scientists involved with research and design in the chemical and petroleum industries. We would like to acknowledge Jaroslav Dykyj, Milan Repas, and Josef Svo boda of Czechoslovakia for providing the material on Antoine constants and Douglas Ambrose of the University of London for providing the material on critical properties. Stanislaw Malanowski pointed out and made available the sources of data from Eastern Europe. Richard Stephenson translated and correlated the data in tabular form. We would like to thank Dr. Matej Andras of the Slovenska Literarna Agentura for granting permission to use the data from Czechoslovakia and Dr. Marjan Bace of Elsevier Science Publishing Co., Inc., who encouraged preparation of this manuscript and handled the publishing arrangements. Particular thanks go to Mary Stephenson for typing the entire camera-ready copy. Richard M. Stephenson University of Connecticut Storrs, Connecticut Stanislaw Malanowski Institute of Physical Chemistry Warsaw, Poland vii Introduction All scientific and engineering calculations are dependent on the availability of thermodynamic and physical property data for the materials or systems in question. This dependency is particularly true in engineering design, which relies almost exclusively on computers for accurate data to produce meaningful final designs.
Author : Lester L. Knapp
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.3/5 (91 download)
Download or read book Solvent Extraction Equilibria for Rare Earth Nitrate-tributyl Phosphate Systems written by Lester L. Knapp and published by . This book was released on 1956 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert H. Ellerhorst
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (91 download)
Download or read book Literature Search written by Robert H. Ellerhorst and published by . This book was released on 1958 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.0/5 ( download)
Download or read book Science and Technology of Tributyl Phosphate: Extraction of water and acids written by and published by . This book was released on 1984 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Hydrolysis Products of Tributyl Phosphate and Their Effect on the Tributyl Phosphate Process for Uranium Recovery written by and published by . This book was released on 1951 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A study was made of the stability of tributyl phosphate (TBP) to acids, bases, and UO/sub 2/(NO/sub 3/su)/sub 2/ solutions, and of the chemistry of its decomposition products. The effect of such decomposition products on the extraction behavior of ion of MBP and lines the RAW analyzer and a subsequent reduction of feed flow rate in each case resulted in immediate reduction in losses, as evidenced by the polarographic results. In many such instances, several hours of operation at high waste losses were avoided. A dropping mercury electrode was used for stream analysis, and the RAW solution was analyzed directiy without either dilution or addition of supporting eleclrolyte. Removal of dissolved oxygen and control of temperature were urnecessary. The precision of the method was better than plus or minus 5%, and the accuracy, which is dependent on calibration with a standard solution, was well within the precision value. The calibration curve is linear, for practical purposes, up to approximately 8 g/l UNH or 0.032 lb/gal uranium. (auth).
Author : H. T. Hahn
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.3/5 (91 download)
Download or read book Removal of Tributyl Phosphate and Its Degradation Products from Acidified Uranyl Nitrate Solutions written by H. T. Hahn and published by . This book was released on 1964 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Method and Compositions for the Degradation of Tributyl Phosphate in Chemical Waste Mixtures written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A method and process for the degradation of tributyl phosphate in an organic waste mixture and a biologically pure, novel bacteria culture for accomplishing the same. A newly-discovered bacteria (a strain of Acinetobacter sp. ATCC 55587) is provided which is combined in a reactor vessel with a liquid waste mixture containing tributyl phosphate and one or more organic waste compounds capable of functioning as growth substrates for the bacteria. The bacteria is thereafter allowed to incubate within the waste mixture. As a result, the tributyl phosphate and organic compounds within the waste mixture are metabolized (degraded) by the bacteria, thereby eliminating such materials which are environmentally hazardous. In addition, the bacteria is capable of degrading waste mixtures containing high quantities of tributyl phosphate (e.g. up to about 1.0% by weight tributyl phosphate).
Author : Wallace W. Schulz
Publisher : CRC-Press
ISBN 13 : 9780849363979
Total Pages : pages
Book Rating : 4.3/5 (639 download)
Download or read book Science and Tech Tributyl Phosp written by Wallace W. Schulz and published by CRC-Press. This book was released on 2000-12-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9780849363993
Total Pages : 146 pages
Book Rating : 4.3/5 (639 download)
Download or read book Science and Technology of Tributyl Phosphate: Selected technical and industrial uses written by and published by . This book was released on 1987 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Hans-Jörg Bart
Publisher : Springer Science & Business Media
ISBN 13 : 366204403X
Total Pages : 224 pages
Book Rating : 4.6/5 (62 download)
Download or read book Reactive Extraction written by Hans-Jörg Bart and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: This booklet is designed to bridge the gap between handbooks and technical literature and aims at graduate students or experienced readers. Commercial flow sheeting simulation software is increasingly available and is used in the early steps of process design in industry. As to this, more sophisticated and precise models based on activities instead of concentrations should be used. After an introductory chapter there is in Chapter 2 an intensive discussion of reactive phase equilibria of ionic and non-ionic solutes based on chemical potentials. Chapter 3 introduces to multicomponent diffusion and mass transfer. However, the main focus is on the reactive mass transfer on rigid and mobile surfaces where the interfacial reaction, molecular diffusion and adsorption layers are decisive. The respective extraction of zinc with a cation exchanger and of acetic acid with an anion exchanger is discussed as case studies. Since adsorption layers and surfactants have a major impact on liquid-liquid extraction efficiency, the final chapter reviews several tech niques which make use of polymeric species in an extractive process. A short review is also given on extraction apparatus and the hydrodynamics (hydraulic design, droplet populance balances) of columns. Much of the booklet is based on the PhD works of C. Czapla (2000), G. Modes (2000), H. Klocker (1996), T. Kronberger (1995), M. Marters (2000), M. Roos (2000), M. Traving (2000) and B. Wachter (1996) who I wish to thank for their fruitful contributions.
