heap leaching वाक्य
उदाहरण वाक्य
मोबाइल
- Heap leaching is a low-cost method of extracting gold from low-grade ores.
- Heap leaching is a method of recovering gold from low grade ores.
- It is notable in the field of underground and heap leaching of metals.
- Normally, the ore is crushed and agglomerated prior to heap leaching.
- Heap leaching uses chemical solutions to dissolve gold from heaps of crushed ore.
- Carpentaria Gold Ltd opened a new open cut mine using modern heap leaching processes.
- The ore will be treated through a carbon-in-leach plant and also by heap leaching.
- In 1971 Newmont began using the heap leaching technology on sub-mill grade ores there.
- The gold is recovered from the ore by heap leaching.
- Pacific Islands Gold said it believed the silver was recoverable through heap leaching and flotation techniques.
- The heap leaching operations provided 4, 148 ounces.
- In 1987 Carpentaria Gold Ltd opened a new open cut mine using modern heap leaching processes.
- Thus, a unique feature of nickel heap leaching is the need for a tailings disposal area.
- Almost all the gold in Nevada comes from large open pit mining and with heap leaching recovery.
- The expansion is for heap leaching, a process in which acid is filtered through piles of copper ore.
- Iron pyrite was heaped up and allowed to weather ( an example of an early form of heap leaching ).
- Although the heap leaching is a low cost-process, it normally has recovery rates of 60-70 %, although there are exceptions.
- Once the ore is mined it can be treated as a whole ore using a dump leaching or heap leaching processes.
- Small amounts of uranium were also produced by underground in-situ leaching and heap leaching of low grade ore and even waste rock.
- The method known as heap leaching was first proposed in 1969 by the US'Bureau of Mines, and was in use by the 1970s.
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