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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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Robert E. Przekop, Ewa Gabriel, Daria Pakula and Bogna Sztorch
The L-FDM technique enables the direct introduction of chemicals, dyes, radioactive substances, pesticides, antibiotics, nanoparticles, trace elements, fertilizers, phosphors, monomers for polymerization, proteins, peptides, and active ingredients in the...
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Ilsa Rosianna, Eka Djatnika Nugraha, Heri Syaeful, Sugili Putra, Masahiro Hosoda, Naofumi Akata and Shinji Tokonami
Mamuju is a region of Indonesia with relatively high exposure to natural radiation. Since 2012, Mamuju has been a uranium and thorium exploration area. Several mapping studies of the region have been carried out to depict NORM (naturally occurring radioa...
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Lei Guo, Hongzhe Zhang, Xueyan Jiang, Yan Wang, Zhengwei Liu, Shiping Fang and Zhiyuan Zhang
The excess sludge in the petrochemical industry is large in quantity, complex in composition, and highly harmful, and its rational disposal is of great significance for environmental protection and sustainable development. In the present study, a classif...
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Evangelos Tzamos, Argyrios Papadopoulos, Giovanni Grieco, Stylianos Stoulos, Micol Bussolesi, Emmanouil Daftsis, Eleftheria Vagli, Dimitrios Dimitriadis and Athanasios Godelitsas
Pyrite/arsenopyrite (Py-AsPy), galena (PbS), and sphalerite (ZnS) concentrates from the flotation plants of Olympias and Stratoni (Kassandra mines, Chalkidiki, N. Greece) were investigated for their major, trace, minor, and critical element contents, inc...
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S.S.N. Gamage,R.M.T.S. Ratnayake,A.M.A.D.M. Senadhira,D.A. Weerasinghe,V.A. Waduge
Naturally-occurring radionuclides deposited beneath the earth, which are referred to as "NORM" and other toxicnon-radioactive elements transported to the earth surface with the oil and gas production. Hence, knowledge of the prevailing background levels ...
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Hanna Tuovinen, Mila Pelkonen, Janne Lempinen, Esa Pohjolainen, David Read, Dina Solatie and Jukka Lehto
Abstract: The behaviour of base metals Ni, Zn, Cu, Co, Fe, and Mn, potentially toxic metals Pb, Cr, and Cd, and the radioactive elements, U and Th, in the Talvivaara mining process, Finland has been studied by tracing metal concentrations from the black ...
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Anna Suzuki, Sergei Fomin, Vladimir Chugunov and Toshiyuki Hashida
Deep geological repositories for nuclear wastes consist of both engineered and natural geologic barriers to isolate the radioactive material from the human environment. Inappropriate repositories of nuclear waste would cause severe contamination to nearb...
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Xiaowei Feng, Nong Zhang, Xiaoting Chen, Lianyuan Gong, Chuangxin Lv and Yu Guo
The particular ?rich coal, meager oil, and deficient gas? energy structure of China determines its high degree of dependence on coal resources. After over 100 years of high-intensity mining activities in Northeast China, East Region, and the Southern Reg...
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Ajithra Abinesh,Shanthi G.
Pág. 56 - 69
It is well recognized fact that some areas of the world have anomalously high levels of natural background radiation referred to as high background radiation areas (HBRAs). Typical examples include Yangjiang in China, Rasmar in Iran and In India, p...
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