Examples of using Tailings in English and their translations into Chinese
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Political
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Ecclesiastic
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Programming
Construction of the tailings project began in May 2013 and was completed in the first quarter of 2014.
They have co-convened this global tailings review to establish an international standard.
Some villagers said tailings from the mines were clogging dams and rivers and affecting the availability of water for irrigation.
Tailings are the rocks and chemicals left over after the gold is extracted.
The main objective was to create specific legislation on safety of mining tailings dams.
Hydrogeochemical release of mercury from gold-mine tailings has been accounted as a significant source of atmospheric mercury in eastern Canada.
Tailings are the least valuable part of the target component in the beneficiation operation and are no longer suitable for sorting under current economic conditions.
Despite the two accidents, many large miners have declined to give information about the tailings dams they manage and their exposure to upstream structures.
With the advent of novel technologies, mining companies are now figuring out ways to extract valuable metals from tailings.
In the framework of the Environment and Security Initiative, several projects had been launched to assess the security risks of tailings sites in South-Eastern Europe and Central Asia.
Toxic substances such as cyanide, mercury and sulphuric acid are typically used to separate metal from ores, leaving residues in the tailings.
South Africa is the world's largest gold producer and the first country to start recovering gold from tailings on a large scale.
Another form of disposal is the mixture of a certain quantity of tailings with excavation waste and cement, creating a product that can be used to backfill underground voids.
The tailings from uranium extraction contain all the constituents of the ore, including 85 per cent of the initial radioactivity of the ore and 5 to 10 per cent of the uranium initially present in the ore.
In these projects the target has always been to strive for(nea-)zero-waste valorisation approaches for a plethora of metallurgical slags, industrial residues and mining tailings.
(iv) Cyanide leaching in sediment, ore or tailings to which mercury has been added[or for processing mercury-contaminated tailings without first removing the mercury in the short term];
If tailings, sediment and effluent are discharged in near-surface waters(above the thermocline), then there are additional impacts to those listed in section 4.2 above.
Over 95% of the alumina produced globally is through the Bayer process; for every tonne of alumina produced, approximately 1 to 1.5 tonnes of bauxite tailings/residue are also produced.
If the guy doing the tailing was good, he would never pull in behind him.
The tailing is not the completely useless waste and it often contains the components that can be used for other purposes.