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Which is the best: solvent extraction or precipitation?

The first method selected for extraction of plutonium was a precipitation process called the bismuth phosphate process, developed and tested at the Oak Ridge National Laboratory ORNL between

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Introduction to Nuclear FuelIntroduction to

Introduction to Nuclear FuelIntroduction to Nuclear Fuel Cycle Separations Bismuth Phosphate Process PUREX Process Tributyl phosphate used as the extractant in a hydrocarbon diluent dodecane or kerosene Suggested by Warf in 1949 for the recovery of Ce IV from rare earth

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Nuclear reprocessing

The bismuth phosphate process is an obsolete process that adds significant unnecessary material to the final radioactive waste. The bismuth phosphate process has been replaced by solvent extraction processes.

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3 SEPARATIONS TECHNOLOGY Nuclear Wastes: Technologies

In 1942, a process based on bismuth phosphate BiPO 4 precipitation was successfully developed. It was the first large scale radiochemical separation to exploit oxidation reduction technology for both purification and the concentration of a single element from many other contaminants.

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Nuclear reprocessing ipfs.io

The bismuth phosphate process was designed to extract plutonium from aluminium clad nuclear fuel rods, containing uranium. The fuel was decladded by boiling it in caustic soda. After decladding, the uranium metal was dissolved in nitric acid.

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Bismuth phosphate process WikiVisually

The bismuth phosphate process was used to extract plutonium from irradiated uranium taken from nuclear reactors, it was developed during World War II by Stanley G. Thompson, a chemist working for the Manhattan Project at

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Contaminants of the Bismuth Phosphate Process as

The Bismuth Phosphate reprocessing method was the worlds first industrial scale reprocessing method. This method was based upon

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Manhattan Project: and Plutonium Chemistry,

By late 1942, experiments with the lanthanum fluoride process in Chicago had gone well enough that DuPont moved into the plant design stage and converted the facility at the Met Lab to experiment with the use of bismuth phosphate.

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X 10 Graphite Reactor

The X 10 Graphite Reactor was the world's second artificial nuclear reactor after Chicago Pile 1, and was the first reactor designed and built for continuous operation. The X 10 chemical separation plant also verified the bismuth phosphate process that was used in the full scale separation facilities at Hanford.

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Contaminants of the bismuth phosphate process as

CONTAMINANTS OF THE BISMUTH PHOSPHATE PROCESS AS SIGNIFIERS OF NUCLEAR REPROCESSING HISTORY Jon M. Schwantes and Luke Sweet Pacific Northwest National Laboratory, PO Box 999, Richland, WA, 99352

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The Aqueous Thermodynamicsplexation Reactions of

In particular, wastes from the bismuth phosphate process contained very high concentrations of U as well as carbonate, phosphate, nitrate, andponents AEC 1951 and these solutions have leaked into the subsurface at the Hanford site.

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A scanning electron microscopy study of bismuth

A scanning electron microscopy study of bismuth and phosphate phases in bismuth phosphate process waste at Hanford Jacob G. Reynolds Jason S. Page Gary A. Cooke John Pestovich Received: 8 November 2014/Published online:

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A scanning electron microscopy study of bismuth and

This study characterizes major bismuth and phosphate bearing phases in Hanford radioactive waste from the bismuth phosphate process using scanning electron microscopy with energy dispersive

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BismuthIII phosphate 99.99 Sigma Aldrich

Approach to bismuth modifying procedure for voltammetric thick film carbon containing electrodes Investigations of the association between plutonium radiation exposure and leukemia mortality Membrane electrodes selective for hydrogen phosphate ions

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Tank characterization report for single shell tank 241 C

Tank 241 C 109 went into service in 1946 and received first cycle decontamination waste from bismuth phosphate process operations at B Plant in 1948. Other waste types added that are expected to contribute to the current contents include ferrocyanide scavenging waste and Strontium Semiworks waste.

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US2785951A Bismuth phosphate process for the

Prior art keywords plutonium phosphate solution bismuth uranium Prior art date 1944 01 26 Legal status The legal status is an assumption and is not a legal conclusion.

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Plutonium Extraction and Proliferator Preferences

The Bismuth phosphate process can accept a variety of fuel types and heats. The chemistry of the precipitation process will accept both metal and oxide fuels, though the US processed only metal fuel. The ideal reaction temperature is just below 100 degrees C , however the US was able to process natural uranium fuel cooled anywhere between

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Oak Ridge Reservation Annual Site Environmental

chemical separation through a technique called the bismuth phosphate process. The process was so successful that the laboratory in Los Alamos received its first samples of the new element in the spring of 1944. After beingmissioned in 1963, the X 10

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Spent Nuclear Fuel Reprocessing Nevada

bismuth phosphate precipitation process Process scaled to kilogram quantity production at Hanford in First solvent extraction process used in reprocessing Continuous process Recovers both U and Pu with high

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Nuclear reprocessing Wiki Everipedia

The bismuth phosphate process is an obsolete process that adds significant unnecessary material to the final radioactive waste. The bismuth phosphate process has been replaced by solvent extraction processes.

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Nuclear reprocessing Revolvy

The bismuth phosphate process is an obsolete process that adds significant unnecessary material to the final radioactive waste. The bismuth phosphate process has been replaced by solvent extraction processes.

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Contaminants of the bismuth phosphate process as

CONTAMINANTS OF THE BISMUTH PHOSPHATE PROCESS AS SIGNIFIERS OF NUCLEAR REPROCESSING HISTORY Jon M. Schwantes and Luke Sweet Pacific Northwest National Laboratory, PO Box 999, Richland, WA, 99352

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X 10 Graphite Reactor Department of Energy

The X 10 Graphite Reactor supplied the Los Alamos lab with the first significant amounts of plutonium. Fission studies of these samples from the X 10 heavily influenced bomb design. The X 10 chemical separation plant also proved the bismuth phosphate process that was used in the full scale separation facilities at Hanford.

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ORAU Team NIOSH Dose Reconstruction Project

changed over the years from the bismuth phosphate precipitation process to the reductionoxidation REDOX process to the plutonium uranium extraction PUREX process. Both REDOX and PUREXanic solvent extraction processes.

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Z9P58L0522 BiO4P ChemSpider

Structure, properties, spectra, suppliers and links for: Z9P58L0522, 10049 01 1.

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Bismuth phosphate process

4.1.10 The Bismuth Phosphate Process The bismuth phosphate essentially dissolved the jackets off of irradiated U fuel elements, then dissolved the fuel itself, and then carried out a series of precipitations followed by centrifugation

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ORAU Team Document Number: NIOSH Dose

Low volumes of high activity offgases were produced from process vessels such as dissolvers, where the initial steps of chemical separations involving irradiated source materials were carried out. Examples of such operations include plutonium separations processes such as bismuth phosphate or

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Introduction to Nuclear FuelIntroduction to

Introduction to Nuclear FuelIntroduction to Nuclear Fuel Cycle Separations Bismuth Phosphate Process PUREX Process Tributyl phosphate used as the extractant in a hydrocarbon diluent dodecane or kerosene Suggested by Warf in 1949 for the recovery of Ce IV from rare earth

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What's Inside The Leaking Tanks At Hanford Forbes

Feb 25, 2013· In the first of those phases, the bismuth phosphate process, technicians immersed spent fuel rods from nuclear reactors in a boiling solution of sodium nitrate and sodium hydroxide.

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Talk:Bismuth phosphate process

A fact from Bismuth phosphate process appeared on 's Main Page in the Did you know? column on 3 May 2017 check views. The

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X 10 Graphite Reactor

The X 10 Graphite Reactor was the world's second artificial nuclear reactor after Chicago Pile 1, and was the first reactor designed and built for continuous operation. The X 10 chemical separation plant also verified the bismuth phosphate process that was used in the full scale separation facilities at Hanford.

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D SEPARATIONS TECHNOLOGY The National Academies Press

Like the Bismuth Phosphate Process that exploited the differences in solubility of plutonium phosphate between Pu +4 and PuO 2 +2 oxidation states, the REDOX process utilized changes in the plutonium oxidation state to effect a separation from fission products and other actinides. Washington, DC: The National Academies Press

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Hanford 25th Anniversary Celebration Manhattan

However, the work with the bismuth phosphate process continued during the spring of 1943, and it began to look better and better. Plutonium could be carried down by bismuth phosphate. When the plutonium was in the lower oxidation state, it could be successfully oxidized, and the bismuth phosphate precipitated without carrying the plutonium

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SAND REPORT prod.sandia.gov

The need to recover uranium fiom bismuth phosphate wastes led to the development of the tri butyl phosphate TBP process. Sr and Cs were also recovered by specialized processes fiom a subset of the wastes. Processing at Savannah River came later and was restricted to just PUREX process wastes. Other operations at both sites have, over

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Laboratory Scale Bismuth Phosphate Extraction

bismuth phosphate process from fuel dissolution through metal waste solution neutralization. At most, a few tenths of a percent of theium is found in the bismuth phosphate product solids and at most

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Ames Project

The Ames Project was a research and development project that was part of the larger Manhattan Project to build the first atomic bombs during World War II. but the Manhattan Project chose to use the bismuth phosphate process, a chemical separation method, instead.

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Central Plateau Introduction Hanford Site

The earliest was the bismuth phosphate process, which was used between 1944 and 1956 at T Plant in the 200 West Area 200 ZP 1 Operable Unit , and between 1945 and 1952 at B Plant in the 200 East Area 200 BP 5 OU.

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Metallurgical Laboratory at the University of Chicago

In all, four methods of plutonium separation were considered, with the bismuth phosphate process displaying the most promise. In August 1942, scientists at the Met Lab isolated the first weighable amount of plutonium.

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US2872286A Bismuth phosphate carrier process for

The meaning of the terms product and by product precipitate, bismuth phosphate type of process, oxidation, redissolving, direct and reverse strikes, product, and similar terms are apparent to some extent from the preceding description and will be further apparent as the description proceeds.

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95 TSD 147 Mr. John T. Conway, Chairman Dear Mr.

life: fnt cycle decontaminationlC waste fkomthe bismuth phosphate process, waste from the uranium recovery process, scavengedferrocyanide sludge, Plutonium UraniumExtraction Facility PUREX cladding wastes, and Hot Semiworks Plant waste.

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Samuel Beall Jr. Atomic Heritage Foundation

In 1944, he moved to Hanford, where he worked on the bismuth phosphate process for plutonium separation. After the end of World War II, Beall returned to Oak Ridge. He worked on a number of nuclear reactors at Oak Ridge National Laboratory, including the Low Intensity Test Reactor LITR, the Homogenous Reactor Experiment HRE, and

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Separation of Metal and Metal Oxides using Ethyl

was the bismuth/phosphate method for reprocessing the spent fuel. This was the primary reprocessing method for a long time and it

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3 SEPARATIONS TECHNOLOGY Nuclear Wastes: Technologies

In 1942, a process based on bismuth phosphate BiPO 4 precipitation was successfully developed. It was the first large scale radiochemical separation to exploit oxidation reduction technology for both purification and the concentration of a single element from many other contaminants.

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Ralph A. James Atomic Heritage Foundation

Ralph A. James According to Journal of Glenn T. Vol. 2 , James worked on the Wet Fluoride Process, a method for purifying and converting mined uranium. He also was involved in studying the Bismuth Phosphate Process for the extraction and decontamination of plutonium.

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Metallurgical Laboratory

The Metallurgical Laboratory or Met Lab was a scientific laboratory at the University of Chicago that was established in February 1942 to study and use the newly discovered chemical element plutonium.

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Kurt Kehler, Vice President and Project Manager,

Bismuth phosphate process wastes were stored in tank farms in the 200 East and West Areas. From 1952 to 1958, waste slurry was pumped to the U Canyon from single shell tanks through underground lines.

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Nuclear reprocessing

The bismuth phosphate process is an obsolete process that adds significant unnecessary material to the final radioactive waste. The bismuth phosphate process has been replaced by solvent extraction processes.

more+

A synthesis of bismuthIII phosphide: the first binary

The synthesis and preliminary characterisation of bismuth phosphide, BiP, is described from the reaction between equimolar quantities of BiCl and PSiMe.

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Plutonium Extraction and Proliferator Preferences

The Bismuth phosphate process can accept a variety of fuel types and heats. The chemistry of the precipitation process will accept both metal and oxide fuels, though the US processed only metal fuel. The ideal reaction temperature is just below 100 degrees C , however the US was able to process natural uranium fuel cooled anywhere between

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Surveillance and Maintenance Plan for the 221 U

The bismuth phosphate process wastes were stored in tank farms in the 200 East and West Areas. From 1952 to 1958, waste slurry was pumped to the 221 U Building from single shell tanks by existing underground lines.

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A scanning electron microscopy study of bismuth and

This study characterizes major bismuth and phosphate bearing phases in Hanford radioactive waste from the bismuth phosphate process using scanning electron microscopy with energy dispersive spectroscopy. Large bismuth phases displayed lath morphology and consisted of sodium, iron, bismuth, and

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