Capture and release of acid gasses using tunable organic solvents with aminopyridine

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

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Title: Capture and release of acid gasses using tunable organic solvents with aminopyridine

Abstract

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.

Inventors:: Koech, Phillip K.; Malhotra, Deepika; Heldebrant, David J.; Glezakou, Vassiliki-Alexandra; Rousseau, Roger J.; Cantu, David C.

Issue Date:: Tue Oct 08 00:00:00 EDT 2019

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1576427

Patent Number(s):: 10434460

Application Number:: 16/153,104

Assignee:: Battelle Memorial Institute (Richland, WA)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION

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B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
B01D2252/2041 - Diamines
B01D2252/20426 - Secondary amines
B01D2252/20431 - Tertiary amines
B01D2252/20457 - containing a pyridine-ring
B01D2257/302 - Sulfur oxides
B01D2257/308 - Carbonoxysulfide COS
B01D2257/504 - Carbon dioxide
B01D53/1425 - {Regeneration of liquid absorbents}
B01D53/1456 - {Removing acid components}
B01D53/1493 - {Selection of liquid materials for use as absorbents}

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DOE Contract Number:: AC05-76RL01830

Resource Type:: Patent

Resource Relation:: Patent File Date: 2018 Oct 05

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 54 ENVIRONMENTAL SCIENCES

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                    Koech, Phillip K., Malhotra, Deepika, Heldebrant, David J., Glezakou, Vassiliki-Alexandra, Rousseau, Roger J., and Cantu, David C. Capture and release of acid gasses using tunable organic solvents with aminopyridine.  United States: N. p., 2019. 
        Web.

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                    Koech, Phillip K., Malhotra, Deepika, Heldebrant, David J., Glezakou, Vassiliki-Alexandra, Rousseau, Roger J., & Cantu, David C. Capture and release of acid gasses using tunable organic solvents with aminopyridine.  United States.

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                    Koech, Phillip K., Malhotra, Deepika, Heldebrant, David J., Glezakou, Vassiliki-Alexandra, Rousseau, Roger J., and Cantu, David C. Tue .  
        "Capture and release of acid gasses using tunable organic solvents with aminopyridine".  United States.  https://www.osti.gov/servlets/purl/1576427.

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@article{osti_1576427,

  title        = {Capture and release of acid gasses using tunable organic solvents with aminopyridine},

  author       = {Koech, Phillip K. and Malhotra, Deepika and Heldebrant, David J. and Glezakou, Vassiliki-Alexandra and Rousseau, Roger J. and Cantu, David C.},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {Tue Oct 08 00:00:00 EDT 2019},

  month        = {Tue Oct 08 00:00:00 EDT 2019}

}

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