Reactive Liftoff of Crystalline Cellulose Particles

Andrew R. Teixeira; Christoph Krumm; Katherine P. Vinter; Alex D. Paulsen; Cheng Zhu; Saurabh Maduskar; Kristeen E. Joseph; Katharine Greco; Michael Stelatto; Eric Davis; Brendon Vincent; Richard Hermann; Wieslaw Suszynski; Lanny D. Schmidt; Wei Fan; Jonathan P. Rothstein; Paul J. Dauenhauer

doi:10.1038/srep11238

Reactive Liftoff of Crystalline Cellulose Particles

Andrew R. Teixeira, Christoph Krumm, Katherine P. Vinter, Alex D. Paulsen, Cheng Zhu, Saurabh Maduskar, Kristeen E. Joseph, Katharine Greco, Michael Stelatto, Eric Davis, Brendon Vincent, Richard Hermann, Wieslaw Suszynski, Lanny D. Schmidt, Wei Fan, Jonathan P. Rothstein, Paul J. Dauenhauer

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The condition of heat transfer to lignocellulosic biomass particles during thermal processing at high temperature (>400 °C) dramatically alters the yield and quality of renewable energy and fuels. In this work, crystalline cellulose particles were discovered to lift off heated surfaces by high speed photography similar to the Leidenfrost effect in hot, volatile liquids. Order of magnitude variation in heat transfer rates and cellulose particle lifetimes was observed as intermediate liquid cellulose droplets transitioned from low temperature wetting (500-600 °C) to fully de-wetted, skittering droplets on polished surfaces (>700 °C). Introduction of macroporosity to the heated surface was shown to completely inhibit the cellulose Leidenfrost effect, providing a tunable design parameter to control particle heat transfer rates in industrial biomass reactors.

Original language	English (US)
Article number	11238
Journal	Scientific reports
Volume	5
DOIs	https://doi.org/10.1038/srep11238
State	Published - Jun 9 2015

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abstract = "The condition of heat transfer to lignocellulosic biomass particles during thermal processing at high temperature (>400 °C) dramatically alters the yield and quality of renewable energy and fuels. In this work, crystalline cellulose particles were discovered to lift off heated surfaces by high speed photography similar to the Leidenfrost effect in hot, volatile liquids. Order of magnitude variation in heat transfer rates and cellulose particle lifetimes was observed as intermediate liquid cellulose droplets transitioned from low temperature wetting (500-600 °C) to fully de-wetted, skittering droplets on polished surfaces (>700 °C). Introduction of macroporosity to the heated surface was shown to completely inhibit the cellulose Leidenfrost effect, providing a tunable design parameter to control particle heat transfer rates in industrial biomass reactors.",

author = "Teixeira, {Andrew R.} and Christoph Krumm and Vinter, {Katherine P.} and Paulsen, {Alex D.} and Cheng Zhu and Saurabh Maduskar and Joseph, {Kristeen E.} and Katharine Greco and Michael Stelatto and Eric Davis and Brendon Vincent and Richard Hermann and Wieslaw Suszynski and Schmidt, {Lanny D.} and Wei Fan and Rothstein, {Jonathan P.} and Dauenhauer, {Paul J.}",

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AU - Krumm, Christoph

AU - Vinter, Katherine P.

AU - Paulsen, Alex D.

AU - Zhu, Cheng

AU - Maduskar, Saurabh

AU - Joseph, Kristeen E.

AU - Greco, Katharine

AU - Stelatto, Michael

AU - Davis, Eric

AU - Vincent, Brendon

AU - Hermann, Richard

AU - Suszynski, Wieslaw

AU - Schmidt, Lanny D.

AU - Fan, Wei

AU - Rothstein, Jonathan P.

AU - Dauenhauer, Paul J.

PY - 2015/6/9

Y1 - 2015/6/9

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AB - The condition of heat transfer to lignocellulosic biomass particles during thermal processing at high temperature (>400 °C) dramatically alters the yield and quality of renewable energy and fuels. In this work, crystalline cellulose particles were discovered to lift off heated surfaces by high speed photography similar to the Leidenfrost effect in hot, volatile liquids. Order of magnitude variation in heat transfer rates and cellulose particle lifetimes was observed as intermediate liquid cellulose droplets transitioned from low temperature wetting (500-600 °C) to fully de-wetted, skittering droplets on polished surfaces (>700 °C). Introduction of macroporosity to the heated surface was shown to completely inhibit the cellulose Leidenfrost effect, providing a tunable design parameter to control particle heat transfer rates in industrial biomass reactors.

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Reactive Liftoff of Crystalline Cellulose Particles

Abstract

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