Sentence examples for ore dressing from inspiring English sources
noun
Any treatment of an ore used to concentrate its valuable constituents (minerals) into products (concentrate) of smaller bulk, and simultaneously to collect the worthless material (gangue) into discardable waste (tailings).
Then the ore is separated from the gangue by various operations known collectively as mineral processing, or ore dressing.
A switch from nickel mining, ore dressing, and nickel recovery to nickel farming by the use of nickel hyperaccumulator plants.
During processing, including leaching, ore dressing, and washing, substantial quantities of waste water are discharged directly into the environment.
A preparatory step is to heat the washed ore (roasting, or dressing) not only to dry it but also to burn off sulfides and organic matter.
The main works in the mine were classified as mining, dressing of ores, refining, and clerical work.
Metals in a sense are chemicals because they are produced by chemical means, the ores sometimes requiring chemical methods of dressing before refining; the refining process also involves chemical reactions.
With wartime shortages of raw materials and many younger men in the armed forces, some bal maidens were temporarily rehired to dress potash ore at a re-opened mine at St Austell, and to re-dress the existing spoil heaps of defunct mines for wolfram and arsenic.
A geopolymer was prepared using calcined ore-dressing tailing of bauxite and ground-granulated blast furnace slag.
As the bal maidens of the smaller tribute teams often did not have the time to dress all the ore sent up, or it was not financially worthwhile to pay for the poorer quality ore to be processed, large quantities of poor quality ore were discarded unprocessed in waste heaps.
"I spent my grad school years in Portland, Ore., and Denver, where dressing up in a suit is not well accepted," he said.
