Sentences with phrase «as ore processing»

And the problem could spread beyond traditional places such as ore processing sites.

Not exact matches

As miners deal with the reality of a prolonged slump in the iron ore price, Fortescue Metals Group is quietly going about the business of building the state's third magnetite mine and processing plant.
This means, to return to iron, if you understood China as a growth «system», with its own logic, its liquidity channels, its institutional distortions, its balance sheets that embedded pro-cyclical or counter-cyclical tendencies, etc. you would have known that once the process started, rebalancing was going to cause iron ore prices (and prices of other hard commodities) to collapse, and I stressed, as I often do, that I did not think the word «collapse» was overly dramatic.
Transport infrastructure constraints are primarily an issue for bulk commodities such as coal and metal ores; the volume of these commodities transported is large compared with processed minerals, and strong growth in recent years has stretched existing transport capacity.
Of course, there will still be by - products — such as the residual ore, or tailings, from the mining and separation as well as calcium carbonate, magnesium carbonate and magnesium hydroxide from the chemical process, along with that pesky thorium.
Thorium is typically found in the same ore as rare - earth minerals and separated out during processing.
From mining ores to smelting to tempering alloys, the process is energy intensive, and engineers have chased improvements about as long as steel has topped axes, formed armor and driven machinery.
It is amazing to think that the basic process of extracting iron from its ore is almost the same, if a little more sophisticated, as it was in predynastic Egypt (3400 BC).
«These results have surprised us, and lead the way for many interesting applications such as optimising the processes for gold extraction from ore and re-processing old tailings or recycled electronics, which isn't currently economically viable.»
Which is a good job, given the shortage of high - grade uranium ore, the huge unmanageable risks associated with nuclear plants and nuclear proliferation, the large amounts of embedded carbon in uranium refining and processing (and other GHG emissions from the nuclear industry), and the insanity of developing a huge strategic fuel dependence on countries such as Russia.
It is most often used as a fuel source in the process of agglomerating iron ore.
The Intex mine would use a process known as acid leaching to access the nickel ore, producing several million tons of toxic waste, contaminating the island's water resources and destroying the tropical forests.
Epstein's process has the potential to address a number of these issues by «creating an easily storable intermediate energy source form from metal ore, such as zinc oxide,» according to a release from the Weizmann Institute of Science.»
Other important components of the industrialized world such as nickel and cobalt are not considered because they are part of the high temperature processing of other ore metals.
(PS interestingly, a more immediate constraint for some rarer elements is the finite demand for other elements, as those rarer elements are mainly or exclusively obtained as byproducts from the processing of ores of other elements.)
Using H2O as a reducing agent in this process led to the large - scale deposition of banded - iron formations, or BIFs, a source of 90 percent of present - day iron ores.
a b c d e f g h i j k l m n o p q r s t u v w x y z