Separations In The Production Of High-volume Fuels And Chemicals By Biological Processing

King, C. Judson

doi:10.1109/iecec.1990.716340

Cited by 1 publication

(1 citation statement)

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“…2 Therefore, the recovery efficiency of bioisoprene from off-gas in the downstream process is essential for its replacement of petroleum-derived isoprene. Various methods 7,8 have been proposed for the recovery of bioisoprene from off-gas, and among them, separation techniques of activated carbon absorption and solvent extraction have been mainly studied. Mcauliffe's work shows that >80% bioisoprene can be recovered from the off-gas using an activated carbon absorption method, 9 and its separation performance is also verified in Zou's work.…”

Section: Introductionmentioning

confidence: 99%

Ionic-Liquid-Based Bioisoprene Recovery Process Design

Chen

Kontogeorgis

et al. 2020

Ind. Eng. Chem. Res.

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Bioisoprene, which can be produced from renewable feedstocks through fermentation, is a promising alternative to petroleum-derived isoprene. However, challenges including the selection of feasible recovery techniques for bioisoprene should be addressed to achieve economic and technical competitiveness. In this work, ionic liquids (ILs) are first introduced as solvents for the recovery of bioisoprene. To describe the thermodynamic behavior, the UNIFAC-IL model is first extended to the bioisoprene systems as it combines gas−organic chemicals in IL-containing systems. Using a computer-aided IL design (CAILD) method, six out of 248 742 structurally constrained ILs are screened as optimal candidates for their further performance evaluation. Simulation results indicate that all six ILs have much better process performance than that of the alternative, isopropyl myrisate. Moreover, [N 1,1,3,0 ][DMP] is identified as the best IL with the lowest solvent flow rate and the highest recovery ratio of isoprene. This work shows the potential of using ILs for the recovery of bioisoprene from fermentation off-gas.

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Section: Introductionmentioning

confidence: 99%