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Helium usually makes up a minuscule portion of natural gas, but can make up as much as 10 percent of natural gas in some fields. A helium content of 0.3 percent or more is considered necessary for commercial helium extraction. [1] In 2012, helium was recovered at 16 extraction plants, from gas wells in Colorado, Kansas, Oklahoma, Texas, and ...
3D sketch of a Saturn liquid hydrogen tanker. Atmospheric mining is the process of extracting valuable materials or other non-renewable resources from the atmosphere. Due to the abundance of molecular hydrogen and helium in the outer planets of the Solar System, advances in technology may eventually make mining their atmospheres a favorable alternative to mining terrestrial surfaces.
Activated charcoal is used as a final purification step, usually resulting in 99.995% pure Grade-A helium. [30] The principal impurity in Grade-A helium is neon. In a final production step, most of the helium that is produced is liquefied via a cryogenic process. This is necessary for applications requiring liquid helium and also allows helium ...
The Crude Helium Enrichment Unit in the Cliffside Gas Field. Remnants of the Amarillo Helium Plant in 2015. The National Helium Reserve, also known as the Federal Helium Reserve, is a strategic reserve of the United States, which once held over 1 billion cubic meters (about 170,000,000 kg) [a] of helium gas.
As Pulsar Helium inches closer to building Minnesota's first helium drilling operation near the Iron Range, lawmakers and other officials are scrambling to make sure the government can make money ...
Mining of sulfur from a deposit at the edge of Ijen's crater lake, Indonesia. Mining is the extraction of valuable geological materials and minerals from the surface of the Earth. Mining is required to obtain most materials that cannot be grown through agricultural processes, or feasibly created artificially in a laboratory or factory.
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This Nexans mill has made copper rod from ore for nearly a century. But now it also makes an increasing amount of it from used copper, with the rods containing some 14% recycled metal. It hopes to ...