Helium Extraction from Natural Gas
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 19, 2020
app pub date -
Sep 13, 2018
filing date -
Sep 13, 2018
priority date (Note) -
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Abstract
A crude helium stream is recovered from a natural gas feed by distillation. Refrigeration from expanding a portion of the bottoms liquid is used to partially condense the helium-enriched overhead vapor and generate a crude helium vapor and a helium-containing liquid stream that is recycled to the distillation column to maximize helium recovery. The helium-depleted natural gas stream can be returned at pressure for utilization or transportation.
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