نتایج جستجو برای: tailings

تعداد نتایج: 2506  

2017
Lisa Mevenkamp Tanja Stratmann Katja Guilini Leon Moodley Dick van Oevelen Ann Vanreusel Stig Westerlund Andrew K. Sweetman

Citation: Mevenkamp L, Stratmann T, Guilini K, Moodley L, van Oevelen D, Vanreusel A, Westerlund S and Sweetman AK (2017) Impaired Short-Term Functioning of a Benthic Community from a Deep Norwegian Fjord Following Deposition of Mine Tailings and Sediments. Front. Mar. Sci. 4:169. doi: 10.3389/fmars.2017.00169 Impaired Short-Term Functioning of a Benthic Community from a Deep Norwegian Fjord Fo...

2018
Anita Etale Sabelo Mhlanga

Mining often results in the contamination of groundwater by metal, sulphate and radionuclide ions following their percolation from tailings impoundments. This chapter discusses the processes by which elements within tailings are transformed and translocated to groundwater and the role of aquifer characteristics and colloids in these processes. The prevention and remediation of contaminated grou...

2018
Beatriz Baselga-Cervera Julia Romero-López Camino García-Balboa Eduardo Costas Victoria López-Rodas

Citation: Baselga-Cervera B, Romero-López J, García-Balboa C, Costas E and López-Rodas V (2018) Improvement of the Uranium Sequestration Ability of a Chlamydomonas sp. (ChlSP Strain) Isolated From Extreme Uranium Mine Tailings Through Selection for Potential Bioremediation Application. Front. Microbiol. 9:523. doi: 10.3389/fmicb.2018.00523 Improvement of the Uranium Sequestration Ability of a C...

2017
Abhishek Gupta Avishek Dutta Jayeeta Sarkar Dhiraj Paul Mruganka Kumar Panigrahi Pinaki Sar

Mine tailings from copper mines are considered as one of the sources of highly hazardous acid mine drainage (AMD) due to bio-oxidation of its sulfidic constituents. This study was designed to understand microbial community composition and potential for acid generation using samples from mine tailings of Malanjkhand copper project (MCP), India through 16S rRNA gene based amplicon sequencing appr...

2018
Lindsay L. Vare Maria C. Baker John A. Howe Lisa A. Levin Carlos Neira Eva Z. Ramirez-Llodra Amanda Reichelt-Brushett Ashley A. Rowden Tracy M. Shimmield Stuart L. Simpson Eulogio H. Soto

Citation: Vare LL, Baker MC, Howe JA, Levin LA, Neira C, Ramirez-Llodra EZ, Reichelt-Brushett A, Rowden AA, Shimmield TM, Simpson SL and Soto EH (2018) Scientific Considerations for the Assessment and Management of Mine Tailings Disposal in the Deep Sea. Front. Mar. Sci. 5:17. doi: 10.3389/fmars.2018.00017 Scientific Considerations for the Assessment and Management of Mine Tailings Disposal in ...

2015
Zhihong Huang Wenhua Xiang Yu’e Ma Pifeng Lei Dalun Tian Xiangwen Deng Wende Yan Xi Fang

The planting of trees on mine wastelands is an effective, long-term technique for phytoremediation of heavy metal-contaminated wastes. In this study, a pot experiment with seedlings of Koelreuteria paniculata under six treatments of local mine wastes was designed to determine the major constraints on tree establishment and to evaluate the feasibility of planting K. paniculata on manganese mine ...

2016
Kianoush Barani

Traditional processing of kaolin is achieved by dispersion of the mined ore and classification by means of multistage hydrocyclones. The inefficiencies inherent to cyclones produce a middling product that is commonly disposed back to the quarry. In this research recovery of kaolinite from tailings of the Zonoupz kaolin washing plant, which is located in Iran, was investigated by cationic flotat...

2016
Caspah Kamunda Manny Mathuthu Morgan Madhuku Paul B. Tchounwou

Radiological hazards associated with exposure to Naturally Occurring Radionuclides Materials from gold mine tailings in the province of Gauteng in South Africa were evaluated. A comparison was made with soil samples from a control area. In this study, gamma spectroscopy was used to measure the activity concentrations of these radionuclides in 56 soil samples from the mine tailings and 10 soil s...

2015
Xiaofang Li Philip L. Bond Joy D. Van Nostrand Jizhong Zhou Longbin Huang

Engineering microbial diversity to enhance soil functions may improve the success of direct revegetation in sulphidic mine tailings. Therefore, it is essential to explore how remediation and initial plant establishment can alter microbial communities, and, which edaphic factors control these changes under field conditions. A long-term revegetation trial was established at a Pb-Zn-Cu tailings im...

Journal: :Marine pollution bulletin 2006
Matthew R Lee Juan A Correa Ray Seed

A sediment quality triad (SQT) assessment was made of the impact of copper mine tailings disposal on littoral meiofaunal assemblages in the Atacama region of northern Chile. This situation is unusual in that the disposal is direct into the high-energy coastal system and not via a river estuary or other low-energy environment. This situation also allows for the examination of the impact of coppe...

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