alexa CO(2) capture by a task-specific ionic liquid.


Industrial Engineering & Management

Author(s): Bates ED, Mayton RD, Ntai I, Davis JH Jr

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Abstract Reaction of 1-butyl imidazole with 3-bromopropylamine hydrobromide, followed by workup and anion exchange, yields a new room temperature ionic liquid incorporating a cation with an appended amine group. The new ionic liquid reacts reversibly with CO2, reversibly sequestering the gas as a carbamate salt. The new ionic liquid, which can be repeatedly recycled in this role, is comparable in efficiency for CO2 capture to commercial amine sequestering reagents, and yet is nonvolatile and does not require water to function.
This article was published in J Am Chem Soc and referenced in Industrial Engineering & Management

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