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Table 1 Overview of the main uses of helium and the available recycling situation for helium. The actual recycling is quite low. Numbers are %

From: Assessing the Past and Future Sustainability of Global Helium Resources, Extraction, Supply and Use, Using the Integrated Assessment Model WORLD7

Use Market share Recycling possible? Recycling System recycling effect
Medical use 30 Yes 10 3
Scientific use 17 Yes 0 0
Balloons 17 No 0 0
Leak detection 5 No 0 0
Welding 9 No 0 0
Engineering 6 Partially 10 0.6
Subsea 3 No 0 0
Other uses 13 No 0 0