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Haibo Li, Zhonghua Tang and Dongjin Xiang
Acid in situ leaching (ISL) is a common approach to the recovery of uranium in the subsurface. In acid ISL, there are numerous of chemical reactions among the injected sulfuric acid, groundwater, and porous media containing ore layers. A substantial amou...
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John L. Manrique C.,José E. Ortiz,Antonio Delgado H.
Pág. 75 - 92
Vanadium (V) and uranium (U) are critical elements for the energy and technology industry. They are characterized by low abundance in the earth crust´s rocks, but can be concentrated and give rise to sedimentary mineral deposits as a result of redox proc...
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Wael M. Badawy, Mohamed Mitwalli, Andrey Yu. Dmitriev, Olesia Chepurchenko, Gehad Saleh, Ali El-Farrash, Maksim Bulavin, Tarek Morsi and Mohammed Sallah
The present work was carried out to determine the elemental composition of granitoid rock samples from three gold mines (Sukari, Hamash, and Um Hagalig) in the South-eastern part of Egypt and quantification of the extent of the elemental enrichment. A to...
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Fuxin Zheng, Yanguo Teng, Yuanzheng Zhai, Jingdan Hu, Junfeng Dou and Rui Zuo
Since the 1990s, sandstone-type uranium in the northern basin of China has become the main target for mining. Uranium mining can cause a series of impacts on the environment. A conceptual model of the geo-environment for sandstone-type uranium in norther...
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Vadim L. Il?chenko and Maria A. Gannibal
A relation of uranium mineralization to structural, textural and physical properties of rocks was investigated using two uranium ore occurrences (Beregovoe and Dikoe) in the Litsa ore area (Kola region, Russia) as an example. Study of the rock samples co...
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Marina M. S. Cabral Pinto, Maria M. V. G. Silva, Ana M. R. Neiva, Fernanda Guimarães and Paulo B. Silva
In this work, in order to study the release, migration, sorption, and (re)precipitation of uranium (U) during alteration under oxidizing conditions, we carried out a systematic study using scanning electron microscopy, X-ray maps, and electron microprobe...
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Muhammad Naeem Iqbal, Asfa Ashraf
Pág. 14 - 15
EDITORIALEnvironmental pollution arising from heavy metals and minerals in the wastewater is the most serious problem. Due to extensive anthropogenic activities such as industrial operations particularly mining, agricultural processes and disposal of ind...
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Marco Lima, Jorge Sanjurjo-Sánchez and Carlos Alves
Building materials can contribute to ionizing radiation hazards due to their variable content in radioactive isotopes. Uranium, thorium, and potassium radioisotopes are present in various building materials due to their presence in raw materials: mineral...
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Ugo Bardi
The concept of recovering minerals from seawater has been proposed as a way of counteracting the gradual depletion of conventional mineral ores. Seawater contains large amounts of dissolved ions and the four most concentrated metal ones (Na, Mg, Ca, K) a...
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