Oxidative fluorination of iridium metal for urban mining

Jun 01, 2016 · The process of oxidative fluorination of a compact iridium metal has been studied. For this purpose, tetrafluoridobromates(III) of alkali and alkaline-earth metals were chosen as oxidizing agents with numerous advantages.

Iridium Satellite Communications - Press Releases

5/12/2010 · Khrunichev State Research and Production Space Center has been a key Iridium partner since 2001 when the two companies signed a collaborative agreement to work together to advance the process to make Iridium services available in Russia. Khrunichev owns an Iridium gateway and discussions are underway for gateway modernization and operations.

Eurasia Mining sale process progressing 'slower than expected

Jan 14, 2021 · (Sharecast News) - Palladium, platinum, rhodium, iridium and gold producing company Eurasia Mining updated the market on the formal sale process it had initiated under the UK Takeover Code on ...

Welkom Gold Mining Company Processing Plant Near Welkom

The ore mined is composed of gold, iridium and sperrylite. The ore body is described as tabular shaped 0.19 meters (0.62 feet) thick 1,370.00 meters (4,494.75 feet) below the surface. Associated rock in this area is volcanic rock (aphanitic) from the Neoproterozoic era 1.00 to 0.54 billion years ago.

Interesting to Know. Mining and production of platinum

High cost of platinum and other platinum group metals can be explained by their high practical value and the costly and complicated production process. Plati...

Eurasia Mining sale process progressing 'slower than

Palladium, platinum, rhodium, iridium and gold producing company Eurasia Mining updated the market on the formal sale process it had initiated under the UK Takeover Code on Thursday. The AIM ...

US4406693A - Method for refining contaminated iridium

Contaminated iridium is refined by alloying it with an alloying agent selected from the group consisting of manganese and an alloy of manganese and copper, and then dissolving the alloying agent...

6 Stages of the Mining Process | BOSS Magazine

Jun 22, 2018 · The mining process is responsible for much of the energy we use and products we consume. Mining has been a vital part of American economy and the stages of the mining process have had little fluctuation. However, the process of mining for ore is intricate and requires meticulous work procedures to be efficient and effective. This is why we have ...

The five most expensive metals and where they are mined

Iridium. Iridium is one of the rarest metals in the Earth’s crust, with annual production of just three tonnes. Iridium is nearly as dense as the densest metal osmium and is the most corrosion-resistant metal element, resistant to air, water, salts and acids.

NASA seeks companies to mine the moon's surface - The

Sep 10, 2020 · Bridenstine said he expects many of them to be interested in pursuing the mining contracts as well. AD In 2015, President Obama signed a law allowing U.S. companies the rights to any material they ...