Capture and release of acid gasses using tunable organic solvents with binding organic liquids

Koech, Phillip K.; Malhotra, Deepika; Heldebrant, David J.; Glezakou, Vassiliki-Alexandra; Rousseau, Roger J.; Cantu, David C.; Page, Jordan P.

Capture and release of acid gasses using tunable organic solvents with binding organic liquids

Patent · 29 October 2019

OSTI ID:1600214

Koech, Phillip K.; Malhotra, Deepika; Heldebrant, David J.; Glezakou, Vassiliki-Alexandra; Rousseau, Roger J.; Cantu, David C.; Page, Jordan P.

A class of water lean, organic solvents that can bind with various acid gasses to form acid gas bound molecules having a high degree of intramolecular hydrogen bonding which enables their use as regenerable solvents for acid gas capture. Unlike the other devices described in the prior art, the present invention takes advantage of shortened distances between the portions of the molecule that form hydrogen bonds within the structures when loaded with an acid gas so as to create a molecule with a higher internal bonding affinity and a reduced proclivity for agglomeration with other molecules.

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Research Organization:: Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Number(s):: 10,456,739

Application Number:: 15/976,061

OSTI ID:: 1600214

Country of Publication:: United States

Language:: English

References (24)

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