Download or read book Final Report Concerning the Solubility of Oxygen in Sulfuric Acid zinc Pressure Leaching Solutions written by and published by . This book was released on 1991 with total page 37 pages. Available in PDF, EPUB and Kindle. Book excerpt: Investigation for a systematic study of oxygen equilibrium data for the analysis of the pressure leaching process for the recovery of zinc from sulfide concentrates. The solubilities of oxygen were measured at 95C, 125C, 155C, and 185C for three partial pressures of oxygen (4 atm, 7 atm, 10 atm) and for aqueous sulfuric acid solutions containing zinc and iron sulfate salts. A two-stage program for solubility determinations, consisting of a high pressure, high temperature absorption step and a low pressure (atmospheric) desorption step at 50C, was developed and data is reported on oxygen solubilities in the various solutions at 50C and atmospheric pressure. Oxygen solubilities were also measured in a concentrated zinc sulfate solution containing 0.3 g/L of surfactant Lignosol, and in an industrial sample obtained from the pressure leaching unit of Cominco at Trail, B.C.

Download or read book Solubility Phenomena in The Context of Nuclear Waste Disposal written by Xavier Gaona and published by Frontiers Media SA. This book was released on 2023-12-13 with total page 125 pages. Available in PDF, EPUB and Kindle. Book excerpt: Safety concepts regarding nuclear waste disposal in underground repositories generally rely on a combination of engineered and geological barriers that minimize potential radionuclide release out of the containment-providing rock zone and transport through the biosphere. The presence of water, however, may alter the engineered barrier system, dissolve radionuclides, and facilitate radionuclide transport that over time may permeate the biosphere. So while barrier systems aim to prevent or hinder water from contacting the waste, the possible intrusion of aqueous solutions must be considered for several safety case scenarios impacted by the long-term evolution of a repository. Dissolution and solubility phenomena thus arise as important processes controlling the chemical behaviour of radionuclides and other key materials of relevance in the context of such repositories and their safety assessments. The solubility and aqueous speciation of radionuclides is of particular interest as they provide upper limits of water-transportable concentrations of radionuclides. Solubility phenomena of radioactive and other gases in water provide important information on gas transport and pressure build-up. Moreover, solubility assessments offer insight into time-independent constraints on the evolution of the disposal system. Particularly important in this regard is the geochemical modelling of radionuclide behaviour in the engineered barrier system as well as in natural aquatic systems along the transport path of radionuclides to the biosphere. The obtained information provides valuable inputs that appropriately constrain safety analyses of nuclear waste disposal.

Download or read book Development and Applications in Solubility written by Trevor M. Letcher and published by Royal Society of Chemistry. This book was released on 2007 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solubility is fundamental to most areas of chemistry and is one of the most basic of thermodynamic properties. It underlies most industrial processes. Bringing together the latest developments and ideas, Developments and Applications in Solubility covers many varied and disparate topics. The book is a collection of work from leading experts in their fields and covers the theory of solubility, modelling and simulation, industrial applications and new data and recent developments relating to solubility. Of particular interest are sections on: experimental, calculated and predicted solubilities; solubility phenomena in 'green' quaternary mixtures involving ionic liquids; molecular simulation approaches to solubility; solubility impurities in cryogenic liquids and carbon dioxide in chemical processes. The book is a definitive and comprehensive reference to what is new in solubility and is ideal for researcher scientists, industrialists and academics

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Download or read book Dissolution of Zinc from Sphalerite at Elevated Temperatures and Pressures written by Martin H. Stanczyk and published by . This book was released on 1961 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Government Reports Annual Index written by and published by . This book was released on 1992 with total page 1134 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book The Engineering Index Annual written by and published by . This book was released on 1988 with total page 2282 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.

Download or read book Report summaries written by United States. Environmental Protection Agency and published by . This book was released on 1983 with total page 1584 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Reports on the Progress of Applied Chemistry written by Society of Chemical Industry (Great Britain) and published by . This book was released on 1955 with total page 1006 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Metals Abstracts written by and published by . This book was released on 1992 with total page 1796 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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