The distribution and production of rhenium resources

Firmetal, 2018-05-25 09:32:00 PM

Rhenium is a kind of scare metal content in the earth's crust to 10 ^ (7) %. Rhenium is very difficult to be used independently in the minerals such as molybdenum, copper, lead, zinc, platinum, tantalum, niobium and rare earth. The raw materials with economic value are molybdenum and copper concentrate, among which molybdenum is the main source of rhenium. The content of rhenium in normal molybdenum concentrate is between 0.001% and 0.031%. But the molybdenum concentrate from porphyry copper deposit is 0.16%. In 2006, Russia announced that Russia national non-ferrous metal research institute experts TuLu general found on the island in the southern kurils pure rhenium ore reserves, this is by far the world found that pure rhenium at first.

Rhenium deposit type

The important types of rhenium deposits are: the porphyry copper and porphyry molybdenum; A uranium - molybdenum deposit with hydrothermal genesis; The copper shale and sulfur-siliceous shale deposits containing molybdenum and vanadium. Rhenium is mainly associated with porphyry copper (molybdenum) deposit and porphyry molybdenum deposit; Second, it is produced in arenaceous shale deposits (e.g., jzkszgsansan, kazakhstan) and sandstone-type uranium deposits (such as the uranium (scandium) sandstone deposits in the U.S. Colorado plateau). At present, rhenium is mainly extracted from molybdenum concentrate.

Global rhenium reserves.

The global rhenium resources are mainly distributed in the americas and Europe. According to data released by the U.S. geological survey in 2015, the world's rhenium has about 1, 100 tons of proven reserves, of which about 500 tons are found in the United States and 600 tons in other countries.

Global rhenium resources of about 2500 tons, the rhenium resources in Chile, the most abundant of 1300 tons, followed by the United States (390 tons), Russia (310 tons), kazakhstan (190 tons), Armenia (95 tons), Peru (45 tons) and Canada (32 tons), and the rest of the world the sum of rhenium resources reserves of about 91 tons.

Tag: Rhenium , Platinum , Tantalum , Niobium

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