Practical Online Monitoring of Ionic Liquid Fiber Welding Solvent | Zendy

Andrew Horvath | Zendy; Jaclyn N. Curry | Zendy; Luke M. Haverhals | Zendy; Scott K. Shaw | Zendy

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Practical Online Monitoring of Ionic Liquid Fiber Welding Solvent

Author(s) -

Andrew Horvath,

Jaclyn N. Curry,

Luke M. Haverhals,

Scott K. Shaw

Publication year - 2021

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.1c03122

Subject(s) - process engineering , fiber , materials science , ionic liquid , welding , solvent , process (computing) , computer science , composite material , organic chemistry , chemistry , catalysis , engineering , operating system

Ionic liquids (ILs) are becoming important solvents in commerce, but monitoring their purity and performance in industrial applications presents new challenges. Fiber welding technology utilizes ILs to mold and shape natural fibers (cotton, hemp, flax, silk, and wool) into morphologies that are typically attained only using synthetic, petroleum-based non-biodegradable plastics. The result is an atom-efficient process that up-converts fibrous substrates to value-added products and materials. A key aspect of bringing this and other IL-enabled technologies to market relies on efficient monitoring and recycling of IL-based solvents. Implementing online IL quality monitoring enhances the unit economics of these processes. Here, we characterize and report conductivity measurements, refractometry, and ATR-FTIR spectroscopy techniques for online IL monitoring during an industrial fiber welding process. The online analysis enables more efficient recycling of the IL solvent, increasing the process efficiency and product quality.

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