Novinky z oboru
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Deset způsobů, jak zlepšit účinnost mletí vašeho kulového mlýna
Ten Ways to Improve the Grinding Efficiency of Your Ball Mill There are a lot of problems that most mineral processing plant will meet when operating the ball mill, such as low grinding efficiency, low processing capacity, high energy consumption, unstable product fineness of the ball mill. So h...Přečtěte si více -
K čemu slouží kulový mlýn?
What is a ball mill used for? A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use in mineral dressing processes, paints, pyrotechnics, ceramics, and selective laser sintering. It works on the principle of impact and attrition: size reduction is d...Přečtěte si více -
Emisní křivky uhlíku pro železnou rudu, měď, kovové uhlí a nikl
Carbon emission curves for iron ore, copper, met coal and nickel Skarn Associates is pleased to announce the first release of its Carbon Emission Curves for the mining industry. These curves and underlying mine-by-mine data are available for iron ore, copper, nickel and metallurgical coal...Přečtěte si více -
Akcie PolyMet raketově rostou po rozhodnutí soudu o povolení k odběru vody
PolyMet stock skyrockets on court decision over water permit Shares of PolyMet (NYSE: PLM) skyrocketed more than 75% during Friday’s morning session after a Ramsey County District Court judge found that Minnesota regulators did not break permitting rules for the company’s proposed co...Přečtěte si více -
Vale zavřít důl Nová Kaledonie, zatímco kupec odchází
Vale to shut New Caledonia mine as buyer walks away Vale (NYSE: VALE) is preparing to potentially shut down its nickel and cobalt operations on the Pacific island of New Caledonia after failing to reach an agreement on the asset’s sale with Australia’s New Century Resources (ASX: NCZ...Přečtěte si více -
Cena zinku vstoupí v roce 2021 do dlouhodobého strukturálního poklesu – zpráva
Zinc price to enter long term structural decline in 2021 – report Zinc prices will edge higher over the remainder of 2020, continuing a strong rebound from the lows posted during the initial covid-19 outbreak, according to Fitch Solutions’ latest industry report. Zinc prices fell by ...Přečtěte si více -
Hodnota těžebního obchodu klesla kvůli pandemii o více než 18 miliard dolarů
Mining deal value down over $18bn due to pandemic Global mining deal value, suffering from an unanticipated shock from the covid-19 pandemic, fell by over $18 billion when compared to the first half of 2019 to $46.6 billion in the first half of 2020, GlobalData reports. The global ec...Přečtěte si více -
Petra Diamonds obviněná z porušování lidských práv v Tanzanii
Petra Diamonds accused of human rights abuses in Tanzania Struggling Petra Diamonds (LON:PDL), which put itself up for sale in June, is facing allegations of human rights abuses at its Williamson mine in Tanzania resulting from the actions of its security guards. The South African co...Přečtěte si více -
OceanaGold prodlužuje životnost dolů, zvyšuje zásoby v Macraes
OceanaGold extends mine life, boosts reserves at Macraes OceanaGold (TSX, ASX: OGC) is extending the mine life at its Macraes operation on the South Island of New Zealand by at least seven years, the miner announced Thursday. The Macraes operation — comprising a series of open-pit mi...Přečtěte si více -
BHP bude těžit australské uhlí pomocí ekologičtější energie
BHP to mine Australian coal using greener energy BHP (ASX, LON, NYSE: BHP) said on Tuesday it had inked a deal to support the development of new solar and wind farms in Australia’s Queensland state as part of a company-wide effort to use more renewable energy. The miner, which runs n...Přečtěte si více -
BHP zaostává za očekávaným ziskem, varuje před zpomalením růstu mimo Čínu
BHP falls short of expected profit, warns of slowing growth outside China BHP Group on Tuesday said it expects most major world economies except China to bear the brunt of a coronavirus-led downturn this year, reporting a 4% drop in annual profit that missed analysts’ estimates. Whil...Přečtěte si více -
Barrick bojuje proti tahu PNG k poskytnutí pronájmu Porgera státem podporovanému těžaři
Barrick fighting PNG move to grant Porgera lease to state-backed miner Canada’s Barrick Gold (TSX: ABX) (NYSE: GOLD) said it would challenge the Papua New Guinea (PNG) government’s reported move to grant a 20-year lease for the Porgera gold mine to a state-backed firm. The world’s se...Přečtěte si více
