Process for Gas/Vapor Separation by Cryogenic Froth Flotation
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United States of America Patent
Stats
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N/A
Issued Date -
Nov 8, 2018
app pub date -
May 4, 2017
filing date -
May 4, 2017
priority date (Note) -
Published
status (Latency Note)
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Abstract
A process for separating a vapor from a gas is disclosed. A cryogenic liquid is provided to an inlet of a froth flotation device. A carrier gas is provided to a gas distributor of the froth flotation device. The carrier gas comprises a product vapor. Bubbles of the carrier gas are produced and passed through the cryogenic liquid in the froth flotation device. A portion of the product vapor desublimates, condenses, crystallizes, or a combination thereof to produce a solid product and a product-depleted carrier gas. Bubbles of the product-depleted carrier gas collect the solid product as a froth concentrate. The froth concentrate is removed by overflowing out of the froth flotation device.
First Claim
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