radiometric sorting uranium ores

RADIOMETRIC SORTING The potential for the sorting of …

The Model 17, shown in Fig. 1 is a radiometric sorter that separates ores froa waste by measurement of the natural ganaa radiation, enitted by uranium ores. Designed as a multiple stream device it is available in configuration with five, four, three and two channels, depending on the site range of the material to be treated.

US4365719A - Radiometric ore sorting method and …

A method of and apparatus for sorting pieces or particles of radioactive ore where the particles are moved one after another substantially horizontally then discharged into a …

Economic Outlook for Radiometric Selection of Ores; …

The U.S. Department of Energy's Office of Scientific and Technical Information

INIS Repository Search - Single Result

Radiometric sorting of ores is based on the level of natural gamma radiation emitted by the various mineral constituents of the ores, and a review of the development of radiometric sorters is given with particular reference to the Model 17 machine. ... These relate to the sorting of uranium ore, gold ore, high-grade ore, and dump material ...

Ore Sorters and Analyzers: The Technology Develops | E & MJ

Minerals that have the potential for identification using XRF for elemental analysis include nickel, copper and zinc sulphides, gold and platinum, chromite, manganese, uranium, and bauxite, while radiometric sensors clearly have uses in sorting uranium ores. Other, more technologically advanced sensors are under development, Wotruba said.

Determination of the optimum yield of enriched ore in radiometric ...

In this article a method is presented for determining the optimum conditions of operation of radiometric ore-sorting plants with allowance for the expenditure on geological prospecting S1, ore extraction S2, radiometric enrichment S3, hydrometallurgical reduction S4; also taken into account are the ore enrichment yield γ, the uranium content in the ore α, the coefficients of …

Radiometric sorting in uranium processing cuts costs – METS

"Radiometric sorting separates uranium ore from the waste rock, producing a uranium-rich beneficiated ore for subsequent processing in the hydrometallurgical circuit. While it reduces the load of downstream processing, it also makes the downstream operations more economically viable with reduction in plant capital and operating costs.

MANUAL FOR URANIUM ORE PROCESSING - IAEA

The main purposes of this manual are to discuss the objectives of metallurgical laboratory ore testing, to show the specific role of these tests in the development of a project, and to provide practical instructions for performing the tests and for inter- preting their results.

New age radiometric ore sorting - the elegant solution|INIS

This has changed with the development of a high capacity radiometric sorter designed to operate on low-grade ore in the +75mm / -300mm size fraction. This has been designed specifically for an application at Rossing. Rossing has a long history in radiometric sorting dating back to 1968 when initial tests were conducted on the Rossing prospect.

Radiometric sorting of ore|INIS - International Nuclear …

These relate to the sorting of uranium ore, gold ore, high-grade ore, and dump material. Future areas of research are considered, including the potential for radiometric sorters in separating ores that have been subjected to neutron activation Primary Subject INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY (E4100) Source

BENEFICIATION - Methods of Exploitation of Different Types of Uranium …

Uranium is leached by sodium carbonate in autoclaves at high temperature and pressure. The treatment cost is high and it is paramount to remove the low grade fraction of the ore. For radiometric sorting the ore must have the following characteristics: — For economic reasons, only pebbles more than 30 mm can be treated.

CAMMET - International Nuclear Information System

RADIOMETRIC SORTING OF RIO ALGOM URANIUM ORE by M.A. Cristovici* ABSTRACT An ore sacple of about 0.1Z uraniua from Quirke Mine was subjected to radlooetrlc sorting by Ore Sorters Lini.tad. Approximately 60Z of the sample weight fell within the sortable size range: -150 + 25 mm. Reiects of low uranium content «0.01Z) representing less than 1Z U ...

Development of type X77 radiometric sorter for sorting fine u..|INIS

The type X77 radiometric sorter with 6 channels is used for sorting the uranium ores in the size range of 30-50 mm. The prototype unit has a capacity of 4-5 t/hr with the beneficiation efficiency of about 50%. A sensible set for rock lumps based on dielectrical pri

Uranium Mining Overview - World Nuclear Association

Sometimes a physical beneficiation process is used to concentrate the ore and increase the head grade before chemical treatment. This may be radiometric sorting as at Ranger, screening/gravity, or a new process called ablation. Most of the ore is barren rock or other minerals which remain undissolved in the leaching process.

Radiometric sorting of Rio Algom uranium ore|INIS

An ore sample of about 0.2 percent uranium from Quirke Mine was subjected to radiometric sorting by Ore Sorters Limited. Approximately 60 percent of the sample weight fell within the sortable size range: -150 + 25 mm. Rejects of low uranium content (< 0.01 percent)

The development of a radiometric sorter for South African gold ores …

Radiometric sorting of South African gold ores using uranium as a tracer has become practical and economical due to the introduction of microprocessors into the sorting machines. In the sorter, the particles are presented individually to the γ-ray counting and mass determination system. The computing system, after making the decision ...

Uranium in Niger - World Nuclear Association

Niger has two significant uranium mines providing about 5% of world mining output from Africa's highest-grade uranium ores. Niger's first commercial uranium mine began operating in 1971. ... Conventional processing following radiometric sorting and use of ablation technology is expected to produce 1040 tU/yr over 21 years, with potential for ...

Radiometric ore sorting method and apparatus - osti.gov

A method of and apparatus for sorting pieces or particles of radioactive ore where the particles are moved one after another substantially horizontally then discharged into a gravityaccelerated trajectory which is substantially free-fall but can be controlled to follow a modified path by a low-friction slide plate.

(PDF) Radiometric methods of measuring the specific activity of ...

A radiometric method of measuring the specific activity of 226Ra in uranium ore tailings and tailings storage sites at integrated plants reprocessing uranium ores is presented. The results are ...

The development of a model for the simulation of the …

of the radiometric sorting of gold an d uranium 0res by M.G.B. WHEELER* SYNOPSIS This report outlines the development of a model to simulate the radiometric sorting of gold- and uranium-bearing ores. The developed program indicates the optimum mass, reject percentage, and expected reject gold and uranium grades for a radiometric sorter.

Uranium resources and ways of its extension - 123dok

At the time radiometric sorting of uranium ores is applied at Rossing mine in Namibia. The ore mined from the open-pit of three sizes +160 - 300 mm, +80 -160 mm and -80 mm feed to radiometric ore sorting plant. Yield of the sorting able size ore is 45 % from the feed ore. Uranium grade is 0.035 % in the feed ore, 0.038 % in non-sorting size, 0. ...

The development of a radiometric sorter for South African gold ores

Radiometric sorting of South African gold ores using uranium as a tracer has become practical and economical due to the introduction of microprocessors into the sorting machines. In the sorter, the particles are presented individually to the γ-ray counting and mass determination system.

Uranium Ore Processing - LinkedIn

Uranium ores can be divided into the following categories. ... The most effective upgrading method has been radiometric ore sorting. This was used at Mary Kathleen, considered for Kintyre and is ...

Application of radiometric ore sorting to Kalimantan ores (Ka..|INIS

For application of radiometric sorting, three conditions should be satisfied: a sufficient heterogeneity of uranium minerals among ore particles, a hard rock producing few fines through crushing, a constant radiometric equilibrium between uranium and radium in the

The development of a radiometric sorter for South African gold ores

South Africa Radiometric sorting of South African gold ores using uranium as a tracer has become practical and economical due to the introduction of microprocessors into the sorting machines. In the sorter. the particles are presented individually to the ;-ray counting and mass determination system.

Radiometric ore sorting method and apparatus - osti.gov

A description is give of a method of and apparatus for sorting pieces or particles of radioactive ore where the particles are moved through the apparatus in an asynchronous or non-constant manner. The particles are moved one at a time to a position in front of a radiation detector where they are temporarily stopped.

Improvement of the Technology of Radiometric Enrichment of Uranium Ores ...

Under the new economic conditions, the problem of decreasing substantially the cost of uranium in the final product obtained by processing mined ores has become acute. A search has shown that the problem can be successfully solved by closely combining hydrometallurgical conversion in plants with inexpensive processes, such as large-batch sorting in radiometric monitoring …

Rock sorting increases in priority - Miningreview.com

With the increase in interest in uranium recovery, and with uranium present in low concentrations in South African ores, the opportunity to sort a percentage of the feed before comminution could be the difference between profitable recovery and a non-viable project. Here X-ray fluorescence sorting or radiometric sorting could be used.

Ore Sorters Ltd Model M-17 Uranium/radiometric Ore Sorter

Brief Description. ORE SORTERS LTD Model M-17 Uranium/Radiometric Ore Sorter. Attachments. 18C-SA01-Details of Radiometric Sorting - Ore Sorters Ltd Model M-17.pdf. WANT TO SELL SIMILAR EQUIPMENT?

radiometric sorter ultrasort - dmvaduanas.es

Radiometric sorting of South African gold ores using uranium as a tracer has become practical and economical due to the introduction of microprocessors into the... Read More resale weekly marble machine - silvanalina

Radiometric sorting of uranium ores in moving tubs (Technical …

The U.S. Department of Energy's Office of Scientific and Technical Information

Preconcentration by Radiometric Ore Sorting - AusIMM

The preconcentration of uranium ore by radiometric ore sorting at Mary Kathleen Uranium Ltd. is described. The operation of the ore sorting machines is discussed in detail and performance results obtained with the existing system are presented.

Promising Technology for Reprocessing Complex Uranium Ores …

The results of research on reprocessing of complex uranium ores from the Elkon deposit with recovery of uranium, gold, silver, and vanadium by methods of radiometric sorting, combining of autoclave and atmospheric leaching of ore followed by sorption and extraction recovery of valuable components, are presented. The capacity was 90 mg/g in sorption of …

Radiometric ore sorting method and apparatus - KELLY; LEONARD

Radiometric ore sorting method and apparatus . United States Patent 4365719 . Abstract: A method of and apparatus for sorting pieces or particles of radioactive ore where the particles are moved one after another substantially horizontally then discharged into a gravity-accelerated trajectory which is substantially free-fall but can be ...

Radiometric sorting of uranium ores | Request PDF

Main scientific and application results, achieved in development of radiometric technologies and technical facilities for preconcentration of uranium ores with a view to accomplish sorting of ore...

The Uranium Extraction Challenge - Mining Technology

Its laterite treatment plant at Ranger is expected to extract an additional 400t of uranium a year from stockpiled clay material, following completion in 2007. Trials of a radiometric sorting plant are expected to lead to applications for treating other low-grade materials for Rio Tinto.