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Expanding access to helium, which has been in short supply in recent years for scientific instrument users, Linde signed an agreement to design and construct a helium extraction and process plant in South Africa. The unit should be ready to extract helium in 2018 from a new field with 700 million m3 of natural gas and helium reserves now under development by energy firm Renergen. Although natural gas typically has concentrations of helium up to 1%, the gas from the new field contains the element in concentrations of up to 4%, Linde says.
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