tailings


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tailings

Residual gamma-radiation-rich, sandy waste remaining after extraction of uranium from mined ore.
References in periodicals archive ?
The Los Santos Mine in Spain ('Los Santos') has achieved an approximate 50% recovery rate of WO3 from its tailings retreatment as a result of continuing tests and trials - a substantial improvement from the 35-40% recovery rate attained in the initial stage of tailings retreatment.
Remediation of the uranium tailing in Kaji-Sai, Issyk-Kul region was completed.
Montana Resources is proposing to raise the impoundments western embankment to accommodate tailings storage for future mine production.
Therefore, the resulting tailings stored in the tailings dam is non-toxic and non-hazardous to the surroundings.
This request followed a call by institutional investors for an independent tailings classification and monitoring system, made at an investor roundtable on mining and tailings safety held in London on 4th March 2019.
On Friday, BHP said that even prior to Brumadinho, it had a significant focus on looking at how it could deliver a "step change" reduction in tailings risk.
The most recent upstream tailings dam collapse took place on 25 January in the state of Minas Gerais in Brazil when the 280-foot-high structure owned by Vale SA, which towered over the small town of Brumadinho, collapsed, sending 11.7 million cubic metres of toxic mud downstream.
The collaboration agreement with Knight Piesold UK, a member of the international geotechnical, tailings management and engineering consulting group, will combine Inmarsat's satellite-enabled IoT (Internet of Things) solution, with Knight Piesold's consultancy.
In order to continue studies already proposed in the literature and analyzing different mixtures of iron ore tailings improved with cement, this study investigated the influence of the different cement content on the mechanical resistance of these mixtures, for different curing times, through unconfined compression tests.
Flocculation is an important stage in the filtered tailings disposal process and is a necessary procedure in tailings thickening to enable the rapid settling of fine tailings particles [2].
Based on the test results, the shear force versus displacement curves of lime-reinforced iron tailings under different normal stresses were plotted, as shown in Figure 5.
The relationship between metals in tailings and the surrounding environment and properties of tailings/soil/water have also been widely explored [17, 18].