Trouvé à l'intérieur – Page 338Kuchuk, G. M., and Charykov, A. K., “Solvent Extraction-Electrothermal Atomic Absorption Determination of Tin by Using Caprylic Acid.” Zh. Anal. Khim. ... Enrichment and Spectrophotometric Determination of Traces of Uranium in Sea Water. Trouvé à l'intérieur – Page 221Tsivoglou , E.C. , Kalda , D.D. , and Dearwater , J.B. , ' Water Characteristics for the Resin - in - Pulp Uranium Extraction ... Trouvé à l'intérieur – Page 184Petroleum and natural gas extraction pose environmental threats such as leaks and spills that occur during drilling and extraction from wells, ... Trouvé à l'intérieur – Page 119Gas Vadose Surface runoff 5.3.1.2 Uranium mining Fossil fuel extraction represents the largest contribution to environmental damage. Trouvé à l'intérieur – Page 44Uranium and thorium ores extraction 6 Extraction of metallic ores 7 Extraction of non-metallic ores 8 Coke, refinement and nuclear fuels 9 Electricity ... Trouvé à l'intérieur – Page 60LiquidÀliquid extraction of sulphuric acid from zinc bleed stream. Hydrometallurgy 92, 42À47. Aly, M.M., Hamza, M.F., 2013. A review: studies on uranium ... Trouvé à l'intérieur – Page 557Uranium extraction operations have been conducted in the Basin since the early ... true that effective control of radium - 226 pollution from uranium mill ... Trouvé à l'intérieur – Page 438The use of two completely different methods of extraction within a relatively ... The pollution of a Cenomanian aquifer from which uranium was extracted by ... Trouvé à l'intérieur – Page 296This isotope is not quite as poisonous as 2VJPu, but is still a significant pollutant. During uranium extraction from the concentrate the allowed losses ... Trouvé à l'intérieur – Page 66A process for concentrating uranium from contaminated soils in which the uranium is first extracted with bicarbonate and then the extracted uranium is precipitated with U ( VI ) -reducing microorganisms was evaluated for a variety of uranium ... Thus, the federal government of Germany allocated huge amounts of money for the rehabilitation work, a unique proceeding without precedent in min ing history. Trouvé à l'intérieur – Page 10STUDIES OF WASTES FROM THE URANIUM ORE REFINING INDUSTRY Extraction of uranium from the raw ore results in considerable amounts of long - lived radioactive ... Trouvé à l'intérieur – Page 14Effect of uranium grade on the amount of UzOg extracted per pound of H2SO4 . ... Oxidative autoclaving is an alternative which has a lower pollution ... Trouvé à l'intérieur – Page 557Uranium extraction operations have been conducted in the Basin since the early ... of radium - 226 pollution from uranium mill process wastes precludes any ... Trouvé à l'intérieur – Page 252ings . pollution control effort include the de - concentrate . ... Only plant surveys of uranium ore refineries the uranium is recovered and the liquid in the western United States for the and solid wastes contain ... It uranium extraction ( 9 ) . Trouvé à l'intérieur – Page 80The worldwide yearly production of uranium, at the end of the 1980s, was estimated to be about ... it was necessary to extract about 20 million tons of ore. Trouvé à l'intérieur – Page 45619.7.1.1 Uranium Mining and Concentration Uranium ores contain, typically, about 0.15% U2O3 and require milling, extraction and concentration before ... Uranium is an element to be found ubiquitous in rock, soil, and water. Uranium concentrations in natural ground water can be more than several hundreds μg/l without impact from mining, nuclear industry, and fertilizers. Trouvé à l'intérieur – Page 255Exploitation of the nuclear energy is a key source of pollution. ... Uranium is extracted from the ore matrix by hydrometallurgical process, and the final ... In this film the viewer learns that the extraction of uranium ore, whether to produce atomic weapons or generate electricity, is unique in the mining industry in one important and terrifying way. This book is the collection of papers from the latest International Uranium Mining and Hydrogeology Conference (UMH VII) held in September 2014, in Freiberg, Germany. Trouvé à l'intérieur – Page 123Depleted uranium (DU), the by-product of 235U extraction, is the major source of DU contamination. Uranium has long shelf-life, and it remains for a long ... Trouvé à l'intérieur – Page 400The pollution at the upper surface of the aquitard ( at z = 26m ) is shown in ... During chemical extraction uranium was leached insitu by applying 2 to 5 ... Trouvé à l'intérieur – Page 335... technology for the extraction , processing , use and conservation of energy resources , such as oil , gas , coal and uranium . Topics : Coal : carbonization ; coal - liquid mixtures ; combustion technologies for pollution abatement ; conventional ... Development of an In-Vitro Procedure to Measure the Availability of Soil-Associated Radionuclides for Uptake After Inadvertent Ingestion by Humans; Separation of Iron-55/59 From Fisson and Activation Products Using Di Isobutylketone-Based ... Trouvé à l'intérieur – Page 50These issues add up to the negative impacts of nuclear power on biodiversity, including pollution when extracting uranium and water temperature changes in ... Development of an In-Vitro Procedure to Measure the Availability of Soil-Associated Radionuclides for Uptake After Inadvertent Ingestion by Humans; Separation of Iron-55/59 From Fisson and Activation Products Using Di Isobutylketone-Based ... Trouvé à l'intérieur – Page 315When using colorimetric methods it is usually advisable to separate uranium from interfering elements by making use of the fact that uranyl nitrate ( UO2 ( NO3 ) 2 ] can be extracted quantitatively by ether from an aqueous solution ... Trouvé à l'intérieur – Page 512chemotoxicity 451 Cigar Lake deposit 58 cladded uranium 429 curie 442 carbonate ... extraction 185 types 186 use in uranium recovery 186 chemical cleaning, ... Trouvé à l'intérieur – Page 31Attempts were made to extract uranium (VI) from phosphoric acid by solutions of diphenyl-, ditolyl-, and ... fiber complex Mtilon-T (developed at the Moscow Textile Institute) is widely used to control radioactive pollution of sea water in view of its ... Trouvé à l'intérieurUranium is extracted from raw materials through chemical leaching, which adds to the pollution problemscausedby uranium extraction. Trouvé à l'intérieur – Page 142Other extraction and processing practices that can generate and accumulate radioactive wastes similar to that of uranium mining are aluminum and copper ... Subject of the book is Uranium and its migration in aquatic environments. Trouvé à l'intérieur – Page 61( j ) Investigation of the water pollution residuals likely after in - situ uranium extraction and the effect of uranium mill tailings . Trouvé à l'intérieur – Page 14The repercussions of reckless uranium extraction fall particularly hard on the ... the environmental and public health impacts of uranium pollution , and to ... Trouvé à l'intérieur – Page 557Uranium extraction operations have been conducted in the Basin since the early 1940's ... true that effective control of radium - 226 pollution from uranium ... Trouvé à l'intérieur – Page 59Other extraction and processing practices that can generate and accumulate radioactive wastes similar to that of uranium mining are aluminum and copper ... Trouvé à l'intérieurSichuan University: Solid phase extraction of uranium(VI) onto benzoylthiourea-anchored activated carbon “A new solid phase extractant selective for ... Trouvé à l'intérieur – Page 89SOLVENT EXTRACTION OF URANIUM FROM WET PROCESS PHOSPHORIC ACIDS SEREF GIRGIN ... produce uranium as a by-product and to prevent the pollution of soil by the ... Trouvé à l'intérieur – Page 70These effluents should be disposed of without causing pollution. ... on the process that may be used for the extraction of uranium values from ores. This work examines several proposed advanced extractant combinations which exhibit synergism: 2-bromodecanoic acid (BDA) with 2,2':6',2"--Terpyridine (TERPY), tri-n-butylphosphine oxide (TPBO) with 2-thenoyltrifluoro acetone (HTTA), and ... Trouvé à l'intérieur – Page 18964-0755 Radiological Pollution Activities Unit . ... The processes investigated are : the resin - in - pulp uranium extraction process ; the acid leach ... Trouvé à l'intérieur – Page 457In another study [13] the idea was to extract phosphoric acid from ... Because solvent extraction is used for uranium removal and the organic phase is ... Trouvé à l'intérieur – Page 53CHEMICAL CLASSIFICATION OF WASTES INORGANIC POLLUTANTS The sources of ... The majority of the mills employ ammonia for precipitation of the uranium . Trouvé à l'intérieur – Page 1Keywords : * Uranium mines , * Mine wastes , * Beneficiation , Pollution control , Mineral economics , Extraction , Mining geology ... Trouvé à l'intérieur – Page 7The Carbonate Leach Uranium Extraction Process : I. Homestake - New Mexico ... Into the Problem of Radioactive Pollution of Uranium Mill Effluents .