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dry processing of iron ore

brazilian company patents innovative dry iron ore

dry iron ore processing. the mining activity produces lots of materials with no commercial value. that is because the iron ore traded in the market must be composed of at least 58% of ore. with

wo2013138889a1 - a process and system for dry recovery of

the present invention refers to a system and method for the totally dry treatment of iron-ore wastes from previous mining operations suitable for both the processing of ore wastes deposited in barrages and wastes stored in piles. the present invention solves the problems of magnetic separation processes that employ the wet and waste- dewatering way eliminating the risks which throwing solid

wet vs. dry iron ore mining - mine equipments

patent us3672579 - process for beneficiating magnetite iron ore a process for upgrading low-grade magnetite-containing iron ore with minimum fine grinding. about 90 percent or more of the tailing is discarded dry without fine grinding in general all of the gangue material is discarded as wet tailings.

new dry iron ore processing technology - australian mining

brazilian company new steel have developed a new dry iron ore processing method to make mining more environmentally sustainable.

vale to invest 11 billion reais in dry iron ore processing

dry processing is linked to the quality of the iron ore extracted from mining. in carajás as the iron content is already high (above 64%) the ore is only crushed and sieved so it can be classified by size (granulometry). in minas gerais the average content is 40% iron contained in rocks known as itabirites.

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