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Production of titanium from ilmenite: a review

Description: The general principles for beneficiation of titanium ores are reviewed and the specific processes used in individual units in various countries are discussed. This is followed by a critical evaluation of various current and potential reduction methods for the production of titanium metal from the processed concentrates. Finally, the report outlines a research program for the development of a commercially viable alternative method for the production of titanium metal.
Date: December 1, 1981
Creator: Kohli, R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Utilization of geothermal energy in the mining and processing of tungsten ore. Quarterly report

Description: The status of the engineering and economic feasibility study of utilizing geothermal energy for the mining and processing of tungsten ore at the Union Carbide-Metals Division Pine Creek tungsten complex near Bishop, Calfironia is reviewed. Results of geophysical data analysis including determination of assumed resource parameters are presented. The energy utilization evaluation identifies potential locations for substituting geothermal energy for fossil fuel energy using current technology. Pre… more
Date: February 1, 1980
Creator: Lane, C.K.; Erickson, M.V. & Lowe, G.D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Radiological survey of the inactive uranium-mill tailings at Lakeview, Oregon

Description: The results of the radiological survey of the inactive uranium-mill site at Lakeview, Oregon, show that the average gamma-ray exposure rate 1 m above the tailings pile and the evaporation pond area (now dry) is close to the average background level for the area (11 ..mu..R/hr). The /sup 226/Ra concentration in most of the surface soil and sediment samples is also at or below the average background value for surface soil samples in the area (0.8 pCi/g). Calculated /sup 226/Ra concentrations, bas… more
Date: June 1, 1980
Creator: Haywood, F. F.; Burden, J. E.; Ellis, B. S.; Loy, E. T. & Shinpaugh, W. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Environmental control technology for mining, milling, and refining thorium

Description: The purpose of this report is to evaluate, in terms of cost and effectiveness, the various environmental control technologies that would be used to control the radioactive wastes generated in the mining, milling, and refining of thorium from domestic resources. The technologies, in order to be considered for study, had to reduce the radioactivity in the waste streams to meet Atomic Energy Commission (10 CFR 20) standards for natural thorium's maximum permissible concentration (MPC) in air and w… more
Date: February 1, 1980
Creator: Weakley, S.A.; Blahnik, D.E.; Young, J.K. & Bloomster, C.H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Mathematical model of the chemistry of the dump leaching of chalcopyrite

Description: In a leach dump, chalcopyrite is dissolved by Fe/sup 3 +/ and by O/sub 2/ and H/sup +/. Neither reaction is at equilibrium under operational conditions. The solution contains Fe(III), Fe(II) and Cu(II) in an aqueous sulfate medium with a pH of about 2. The equilibrium concentrations of H/sup +/, OH/sup -/, SO/sub 4//sup 2 -/, HSO/sub 4//sup -/, Fe/sup 3 +/, FeOH/sup 2 +/, Fe(OH)/sub 2//sup +/, Fe/sub 2/(OH)/sub 2//sup 4 +/, FeSO/sub 4//sup +/, Fe(SO/sub 4/)/sub 2//sup -/, FeHSO/sub 4//sup 2 +/,… more
Date: March 1, 1980
Creator: Liddell, K.C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Utilization of geothermal energy in the mining and processing of tungsten ore. 2nd quarterly report

Description: The completed geochemical analysis of groundwater in the Pine Creek area for evaluation of the geothermal potential of this location is presented. Also included is an environmental constraints analysis of Pine Creek noting any potential environmental problems if a geothermal system was developed onsite. Design of a geothermal system is discussed for site-specific applications and is discussed in detail with equipment recommendations and material specifications. A preliminary financial, economic… more
Date: June 1, 1980
Creator: Erickson, M. V.; Willens, C. A.; Walter, K. M.; Carrico, R. L.; Lowe, G. D. & Lacy, S. B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Economics of large-scale thorium oxide production: assessment of domestic resources

Description: The supply curve illustrates that sufficient amounts of thorium exist supply a domestic thorium-reactor economy. Most likely costs of production range from $3 to $60/lb ThO/sub 2/. Near-term thorium oxide resources include the stockpiles in Ohio, Maryland, and Tennessee and the thorite deposits at Hall Mountain, Idaho. Costs are under $10/lb thorium oxide. Longer term economic deposits include Wet Mountain, Colorado; Lemhi Pass, Idaho; and Palmer, Michigan. Most likely costs are under $20/lb th… more
Date: February 1, 1980
Creator: Young, J.K.; Bloomster, C.H.; Enderlin, W.I.; Morgenstern, M.H.; Ballinger, M.Y.; Drost, M.K. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Survey of LWR environmental control technology performance and cost

Description: This study attempts to establish a ranking for species that are routinely released to the environment for a projected nuclear power growth scenario. Unlike comparisons made to existing standards, which are subject to frequent revision, the ranking of releases can be used to form a more logical basis for identifying the areas where further development of control technology could be required. This report describes projections of releases for several fuel cycle scenarios, identifies areas where al… more
Date: March 1, 1980
Creator: Heeb, C. M.; Aaberg, R. L.; Cole, B. M.; Engel, R. L.; Kennedy, W. E., Jr. & Lewallen, M. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Engineering feasibility analysis for in-situ stabilization of Canonsburg residues. [UMTRA project]

Description: The US Department of Energy is considering several methods for carrying out remedial actions in Canonsburg, Pennsylvania, at the site of an inactive uranium-processing mill. The main objective of this study is to determine the feasibility of in-situ stabilization as the remedial action. In-situ stabilization is an alternative to site decontamination and offsite disposal. The problems associated with offsite hauling of large quantities of contaminated material and with the location and developme… more
Date: January 1, 1982
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Environmental assessment of remedial action at the inactive uraniferous lignite processing sites at Belfield and Bowman, North Dakota. [UMTRA Project]

Description: The Uranium Mill Tailings Radiation Control Act of 1978 (UMTRCA), to clean up the Belfield and Bowman, North Dakota, uraniferous lignite processing sites to reduce the potential health impacts associated with the residual radioactive materials remaining at these sites. Remedial action at these sites must be performed in accordance with the US Environmental Protection Agency's (EPA) standards promulgated for the remedial action and with the concurrence of the US Nuclear Regulatory Commission (NR… more
Date: September 1, 1989
Creator: Beranich, S.; Berger, N.; Bierley, D.; Bond, T. M.; Burt, C.; Caldwell, J. A. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Plan for implementing EPA standards for UMTRA sites. [UMTRA Project]

Description: The Uranium Mill Tailings Radiation Control Act of 1978 (UMTRCA), authorizes the Department of Energy (DOE) to undertake remedial actions at 24 DOE designated processing sites. The term processing site,'' by statutory definition, means the inactive uranium mill or processing site and any other real property or improvement which is in the vicinity of the mill or processing site and is determined to be contaminated with residual radioactive materials derived from the mill or processing site. For … more
Date: January 1, 1984
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Uranium control in phosphogypsum. [In wet-process phosphoric acid production]

Description: In wet-process phosphoric acid plants, both previous and recent test results show that uranium dissolution from phosphate rock is significantly higher when the rock is acidulated under oxidizing conditions than under reducing conditions. Excess sulfate and excess fluoride further enhance the distribution of uranium to the cake. Apparently the U(IV) present in the crystal lattice of the apatite plus that formed by reduction of U(IV) by FE(II) during acidulation is trapped or carried into the cry… more
Date: January 1, 1980
Creator: Hurst, F. J. & Arnold, W. D.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Niobium - Proceedings of the international symposium

Description: This book presents the papers given at a symposium on niobium. Topics considered at the symposium included niobium mining, ore processing, uses, fabrication, microstructure, mechanical properties, physical properties, corrosion, physical radiation effects, and marketing.
Date: September 1981
Creator: Stuart, H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Utilization of geothermal energy in the mining and processing of tungsten ore. Final report

Description: The engineering, economic, and environmental feasibility of the use of low and moderate temperature geothermal heat in the mining and processing of tungsten ore is explored. The following are covered: general engineering evaluation, design of a geothermal energy system, economics, the geothermal resource, the institutional barriers assessment, environmental factors, an alternate geothermal energy source, and alternates to geothermal development. (MHR)
Date: January 1, 1981
Creator: Erickson, M. V.; Lacy, S. B.; Lowe, G. D.; Nussbaum, A. M.; Walter, K. M. & Willens, C. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Geothermal enhancement of mineral processing in Nevada: Final report, April 25, 1985-June 30, 1986

Description: This report reviews mineral recovery techniques practiced at active mines throughout Nevada and determines those that may be enhanced by the application of geothermal heat energy from a nearby resource. Of the thirty-two active precious metal mines identified, ten have hot water on or near the property and could potentially benefit. A second purpose was to collect ore samples and geothermal fluids, determine if they are compatible in the hydrometallurgical process, and carry out laboratory test… more
Date: November 1, 1986
Creator: Flynn, T.; Trexler, D.T. & Hendrix, J.L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Survey of the market, supply and availability of gallium

Description: The objective of this study was to assess the present consumption and supply of gallium, its potential availability in the satellite power system (SPS) implementation time frame, and commercial and new processing methods for increasing the production of gallium. Findings are reported in detail. The findings strongly suggest that with proper long range planning adequate gallium would be available from free-enterprise world supplies of bauxite for SPS implementation.
Date: July 1, 1980
Creator: Rosi, F.D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Evaluation of geothermal energy in Arizona. Arizona geothermal planning/commercialization team. Quarterly topical progress report, April 1-June 30, 1980

Description: Progress is reported on the following: geothermal prospect identification, area development plans, site specific development analysis, time phased project plans, institutional analysis, hydrothermal commercialization baseline report, and the public outreach program. (MHR)
Date: June 30, 1980
Creator: White, D.H.; Mancini, F.; Goldstone, L.A. & Malysa, L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Uranium Mill Tailings Remedial Action (UMTRA) Project. [UMTRA project]

Description: The mission of the Uranium Mill Tailings Remedial Action (UMTRA) Project is explicitly stated and directed in the Uranium Mill Tailings Radiation Control Act of 1978, hereinafter referred to as the Act.'' Title I of the Act authorizes the Department of Energy (DOE) to undertake remedial action at designated inactive uranium processing sites (Attachment 1 and 2) and associated vicinity properties containing uranium mill tailings and other residual radioactive materials derived from the processin… more
Date: September 1, 1989
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Annual status report on the Uranium Mill Tailings Remedial Action Program

Description: This eleventh annual status report summarizes activities of the Uranium Mill Tailings Remedial Action (UMTRA) Project undertaken during Fiscal Year (FY) 1989 by the US Department of Energy (DOE) and other agencies. Project goals for FY 1990 are also presented. An annual report of this type was a statutory requirement through January 1, 1986, pursuant to the Uranium Mill Tailings Radiation Control Act (UMTRCA) of 1978, Public Law (PL) 95--604. The DOE will continue to submit an annual report thr… more
Date: December 1, 1989
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Effects of barium chlorine treatment of uranium ore on /sup 222/Rn emanation and /sup 226/Ra leachability from mill tailings

Description: The purpose of this laboratory study was to investigate the effectiveness of barium chloride treatment of uranium ore on /sup 222/Rn emanation from mill tailings, /sup 226/Ra level in waste-water, and the leachability of radium from tailings. It has been shown that barium sulfate is an excellent carrier for radium and that barium sulfate crystals have high retention capacity for radon gas produced by radium trapped within the lattice. Ground uranium ore from a mine in Wyoming was mixed with wat… more
Date: January 1, 1985
Creator: Ibrahim, S. A.; Church, S. L. & Whicker, F. W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Summary history of domestic uranium procurement under US Atomic Energy Commission contracts. Final report

Description: During the period 1947 through 1970, the Atomic Energy Commission (AEC) fostered the rapid development and expansion of the domestic uranium mining and milling industry by providing a market for uranium. Some thirty-two mills were constructed during that period to produce U/sub 3/O/sub 8/ concentrates for sale to the AEC. In addition, there were various pilot plants, concentrators, upgraders, heap leach, and solution mining facilities that operated during the period. The purpose of this report … more
Date: September 1, 1982
Creator: Albrethsen, H. Jr. & McGinley, F.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Uranium Mill Tailings Remedial Action Project (UMTRAP) Public Participation Plan

Description: The purpose of this Public Participation Plan is to explain the Department of Energy`s plan for involving the public in the decision-making process related to the Uranium Mill Tailings Remedial Action (UMTRA) Project. This project was authorized by Congress in the Uranium Mill Tailings Radiation Control Act of 1978. The Act provides for a cooperative effort with affected states and Indian tribes for the eventual cleanup of abandoned or inactive uranium mill tailings sites, which are located in … more
Date: May 1, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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