Beneficiation technology of the Gremiya-Wilmes titanium deposit in Russia

The deposit is currently in the detailed exploration phase and is awaiting approval from the National Ore Reserves Committee for the Reserves phase. They found large reserves of titanium ore deposit in the Southeast region (containing TiO 2 12% ~ 14%) . The deposit is located in the Murmansk Mining and Metallurgical Economic Development Zone. Here there奥列尼哥尔Trask mining companies beneficiation plant and a chemical plant Mengqiegeer Trask metallurgical plant, they may be treated titanium ores and iron ore concentrates. The ore is planned to be mined by open air.

The beneficiation process developed by the Russian Institute of Rare Metals to treat such ores includes: multi-stage crushing and grinding to -0.2 mm, re-election, magnetic separation and electro-election. Since the metal mineral ores and dissemination size unevenly exist different aluminosilicate mineral inclusions, thus requiring multi-stage processing, i.e., grinding and dressing products need to repeat sorting. The TiO 2 recovery rates of the obtained ilmenite concentrate and titano-magnetite concentrate were 53% and 22%, respectively. The content of TiO 2 in ilmenite concentrate and titano-magnetite concentrate was 49.5% and 11%, respectively. The ilmenite concentrate has a harmful impurity content of less than 0.1%, and it can directly produce the pigment by the sulfuric acid method, or can obtain the titanium slag by the electric smelting method.

In addition to the above-mentioned projects for industrial development, the Russian Institute of Rare Metals has also completed the study of the mineral processing of rare metal ores. Some rare metal deposits can be a get (tantalum, niobium, zirconium and rare earth elements) of the main raw material base. The Tomtorsk deposit, the Arruïf deposit and the Katukinsk deposit belong to this category.

Dressing investigated by - niobium hydrometallurgical combination process, the processing disseminated fine grain size, while the rich refractory Thom Thor Trask deposit - rare earth metal - the possibility of apatite ore. The combined process includes the ore being graded by a 5 μm particle size, and the glauconite is floated and recovered into the concentrate using a primary and secondary amine as a collector in a fluorine-containing medium.

The product in the flotation cell and the fine slime (-10/μm size) are treated with a base in order to selectively leach phosphate from the mayenite mineral. The leaching residue after leaching consists of chlorite particles and rare earth element oxides which are separated when the apatite is dissolved. This product is treated by a similar chlorination process as the treatment of sodium strontium strontium strontium ore. It is recommended that the rare earth-zircon ore (containing 2.5% ZrO 2 and 0.5% ∑TR 2 O 3 ) of the Alruyf deposit be treated by a combination of magnetic separation and electro-election to obtain high-quality heterogeneous stone concentrate, neolithic Mine and meteorite- feldspar concentrate.

A chemical beneficiation process for the treatment of heterogeneous stone concentrates has been developed to ensure the acquisition of rare earth metal chemical concentrates and silicon-zircon filter residues, which can be used in the ceramics and glass industries to replace zircon concentrates.

The Russian Institute of Rare Metals and the Russian Institute of Mineral Raw Materials have developed complex rare metal ores for the Katukinsk deposit using a re-election-magnetic separation-flotation process. The process includes: ore crushing and grinding to -0.8mm; two sections (0.8mm and 0.25mm) re-election; re-election of coarse concentrate flotation, separation of rare metal concentrates; in-slot products of rare metal flotation After shaking the bed, the shaker concentrate is magnetically selected to obtain a non-magnetic zircon concentrate.

From the evaluation of the current status of Russian rare metal ore beneficiation process, it is known that the current method is to develop an effective method for dealing with different types of rare metal ore. However, the application of these processes may only be achieved after some new deposits have been developed. Therefore, in recent years, one of the main topics of rare metal raw material beneficiation is to prepare a multi-faceted preparation process for newly-built enterprises. It should include the following three main aspects:

1. Conduct industrial tests on selected processes using process ore samples that represent the characteristics of the initial ore.

Second, according to the mineral processing equipment currently used in Russia and abroad, the industrial regulations for the design of the concentrator are compiled.

Third, design the concentrator and commission the new concentrating plant.

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