Download or read book CHEMICAL PROCESSING TECHNOLOGY QUARTERLY PROGRESS REPORT JANUARY MARCH 1963 written by and published by . This book was released on 1963 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book CHEMICAL PROCESSING TECHNOLOGY Quarterly Progress Report April June 1964 written by and published by . This book was released on 1965 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by U.S. Atomic Energy Commission. Idaho Operations Office and published by . This book was released on 1963 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book CHEMICAL PROCESSING TECHNOLOGY QUARTERLY PROGRESS REPORT JANUARY MARCH 1964 written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by and published by . This book was released on 1963 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by U.S. Atomic Energy Commission. Idaho Operations Office and published by . This book was released on 1961 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by J. R. Huffman and published by . This book was released on 1960 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by J. R. Bower and published by . This book was released on 1962 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by U.S. Atomic Energy Commission. Idaho Operations Office and published by . This book was released on 1961 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report written by and published by . This book was released on 1964-04 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book TID written by and published by . This book was released on 19?? with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Zirconium Processing Capability of the Idaho Chemical Processing Plant written by J. R. Bower and published by . This book was released on 1964 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book ICPP Waste Calcining Facility written by L. T. Lakey and published by . This book was released on 1963 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report January March 1962 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The processing of Al fuel, principally of the MTR-ETR type, is reported. Processing rate averaged 90% of flow sheet values for the entire operating period, and a U recovery of 99.85% was achieved. Aqueous Zr fuel processing studles continued with the objective of adapting the HF process to continuous dissolution-complexing in order to increase the capacity of the ICPP process while using as much existing equipment as possible to minimize costs. Good results were indicated in a 190-hr run dissolving 2% U-Zr fuel in a Monel dissolver using 4.8M HF-0.03M HNO/sub 3/ dissolvent at 200 deg F; insoluble material did not accumulate in the dissolver, although a U-containing film was formed, apparently in small, equilibrium quantity. Shorter term continuous laboratory dissolutions indicated that 4.8M acid was preferable to 10M acid for the acid feed rate/fuel surface ratios proposed, resulting in dissolver products of greater stability and higher uranium content. Additional laboratory data are presented on UF/sub 4/ hydrate form and solubility, together with maximum dissolvable U compositions with Zircaloy under various flowsheet condltions. Processing of Al alloys containing high Si was found to present no unusual problems in laboratory studies. Siliceous residues resulting from dissolution of Al-U alloys containing 2% Si in HNO/sub 3/ contained no insoluble U, and the occluded U was readily removed by solvent extraction with TBP-Amsco, the normal process extractant. Studies of the electrolytic dissolution process were directed at corrosion measurement and prevention, development of analytical systems for process control, and testing of structural insulating materials for use in the process environment. A measurement of corrosion potential is shown to indicate the instantaneous corrosion rate of stainless steel process equipment containing electrolytic dissolver solutions; this measurement could determine the amount of cathodic protection that might be used to protect certain corrosion sensitive areas. An in-line process solution analyzer was developed and a prototype constructed and placed in use; by simultaneous measurement of electric conductance of two flowing stream samples (one, the original concentration, and the other, a fixed dilution), the concentrations of both dissolver acid and dissolved stainless steel components are determined. The Demonstrational Waste Calcination Facility was operated continuously for 250 hr, showing good mechanical operability of process equipment and close control of process conditions. Escape of solids past the calciner cyclone into the liquid scrubbing system continued to be the principal area of concern. Pilot plant calciner studies indicated the rate of solids carry-over from the cyclone was nearly constant, whether the bed was predominantly alpha or amorphous alumina, however, solids elutriation rate from the bed varied with alumina crystal form. In laboratory studies directed toward calcination of wastes from stainless steel processing, the nitrates of Fe, Ni, and Cr were found to decompose thermally at temperatures approximately the same as those used for aluminum nitrate calcination. Miscellaneous basic process studies reported include experimental verification of analog results on air pulsed extraction column operating characteristics, indication of a method of sampling individual aqueous or organic phases in an operating column, and further evidence of the effectiveness of the cascade control system on the thermosiphon product evaporator. Progress is reported on design of neutron poison plate structures for protection of vessels of unsafe geometrical configuration from criticality incidents in the presence of high concentrations of enriched U. (auth).

Download or read book Chemical Processing Technology Quarterly Progress Report January March 1961 written by and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies are reported on aqueous zirconium processing, dissolution of BeO- UO/sub 2/ ceramic fuel, the aqueous stainless steel process, the behavior of dibutyl phosphates, use of boron (boric acid) solution to assure critical safety, fluidized bed calcination, conversion of amorphous alumina to alpha alumina, the Demonstrational Waste Calcining Facility, removal of long-lived radioisotopes from waste solutions, separation of iron, nickel, and chromiun from stainless steel waste solutions, electrolytic dissolution, effects of stray currents, electrolytic disintegration of Zircaloy-2, corrosion evaluation of materials of construction, the ARCO process, a direct air pulsed extraction column, and large vessel criticality control. (M.C.G.).

Download or read book Radioactive Waste Processing and Disposal written by Theodore F. Davis and published by . This book was released on 1962 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Chemical Processing Technology Quarterly Progress Report April June 1960 written by and published by . This book was released on 1960 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Zirconium type fuel from ths Nautilus and ths NRF prototype cores was processed using improved flowsheets, based on hydrofluoric acid dissolution, which approximately doubled the original design capacity and achieved 99.43% recovery of uranium while producing approximately 20% less waste volume than the previous flowsheet. Dissolution of ceramic fuels in molten ammonium bifluoride was found to be quite slow, even at the boiling point of the reagent. General aqueous processing studies demonstrated the practicality of air sparge mixing of solutions in large vessels filled with Raschig rings. The production of two phase forms of alumina, alpha and amorphous, at apparently the same process conditions was found in a NaK-heated calciner. Corrosion studies were made of Inconel and Inconel-X at the 1200 to 1500 deg F temperatures expected in the hightemperature storage facility for calcined wastes. The feasibility of calcining fluoride-containing wastes in stainlsss-steel equipment was investigated. Preparation of standard operating procsdures and test programs for process evaluation of a Demonstrational Fluidized Red Calcining Facility was continued. In a study of new waste treatment methods it was found that during electrolysis of stainless-steel wastes, using a mercury cathode, zirconium was co- removed with the stainless-steel components while strontium and niobium were retained in the aqusous solution. It was determined that the use of approximately 2.8 g of ammonium phosphomolybdate would remove essentially all of the cesium from ons liter of first-cycle aluminum nitrate waste. Favorable corrosion results indicated the possibility of blending and storing raffinate wastes in type 347 stainless-steel tanks. Factors affecting the electrical contact of fuel pieces in an electrolytic dissolver were investigated during the electrolytic dissolution of stainless steel in nitric acid. Basic electrochemical data are reported for the electrolytic dissolution of zirconium in HCl-metuanol. An extension of the ARCO process to stainless-steel-, chromium-, and niobium-based fuels is discussed. Fission product concentrations and activities were calculated for Dresden fuels. (M.C.G.).