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Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
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The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Deep Space: The new frontier of radiation controls
In commercial nuclear power, there has always been a deliberate tension between the regulator and the utility owner. The regulator fundamentally exists to protect the worker, and the utility, to make a profit. It is a win-win balance.
From the U.S. nuclear industry has emerged a brilliantly successful occupational nuclear safety record—largely the result of an ALARA (as low as reasonably achievable) process that has driven exposure rates down to what only a decade ago would have been considered unthinkable. In the U.S. nuclear industry, the system has accomplished an excellent, nearly seamless process that succeeds to the benefit of both employee and utility owner.
Fausto J. Muñoz-Ribadeneira, Henry J. Gomberg
Nuclear Technology | Volume 11 | Number 3 | July 1971 | Pages 367-371
Technical Paper | Nuclear Explosion Engineering / Nuclear Explosive | doi.org/10.13182/NT71-A30870
Articles are hosted by Taylor and Francis Online.
Chalcopyrite type ore samples, 200 mesh size (−105, + 74 μ) were placed in hermetically sealed screw cup flasks, in contact with a solvent made of sulfuric acid 1 N and sodium chloride at different concentrations. Data indicate an appreciable dissolution of the copper in the ore in a reasonable leaching time. The experiments were carried out at room temperature. No agitation was used. Data for copper dissolution can be represented by a rate equation which is first order, in copper concentration, and the rate of copper dissolution is also a function of the chloride ion concentration. The advantages of this solvent, if used in Plowshare leaching in situ mining technology, is briefly discussed.
