Predicting Power for a Scaled‐up Non‐Newtonian Biomass Slurry
Abstract
Abstract High‐solids biomass slurries exhibit non‐Newtonian behavior with a yield stress and require high power input for mixing. The goals were to determine the effect of scale and geometry on power number P 0 , and estimate the power for mixing a pretreated biomass slurry in a 3.8 million L hydrolysis reactor of conventional design. A lab‐scale computational fluid dynamics model was validated against experimental data and then scaled up. A pitched‐blade turbine and A310 hydrofoil were tested for various geometric arrangements. Flow was transitional; laminar and turbulence models resulted in equivalent P 0 which increased with scale. The ratio of impeller diameter to tank diameter affected P 0 for both impellers, but impeller clearance to tank diameter affected P 0 only for the A310. At least 2 MW is required to operate at this scale.
- Authors:
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1401595
- Resource Type:
- Journal Article: Publisher's Accepted Manuscript
- Journal Name:
- Chemical Engineering and Technology
- Additional Journal Information:
- Journal Name: Chemical Engineering and Technology Journal Volume: 38 Journal Issue: 1; Journal ID: ISSN 0930-7516
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Russ, David C., Thomas, Jonathan M. D., Miller, Q. Sean, and Berson, R. Eric. Predicting Power for a Scaled‐up Non‐Newtonian Biomass Slurry. Germany: N. p., 2014.
Web. doi:10.1002/ceat.201400327.
Russ, David C., Thomas, Jonathan M. D., Miller, Q. Sean, & Berson, R. Eric. Predicting Power for a Scaled‐up Non‐Newtonian Biomass Slurry. Germany. https://doi.org/10.1002/ceat.201400327
Russ, David C., Thomas, Jonathan M. D., Miller, Q. Sean, and Berson, R. Eric. 2014.
"Predicting Power for a Scaled‐up Non‐Newtonian Biomass Slurry". Germany. https://doi.org/10.1002/ceat.201400327.
@article{osti_1401595,
title = {Predicting Power for a Scaled‐up Non‐Newtonian Biomass Slurry},
author = {Russ, David C. and Thomas, Jonathan M. D. and Miller, Q. Sean and Berson, R. Eric},
abstractNote = {Abstract High‐solids biomass slurries exhibit non‐Newtonian behavior with a yield stress and require high power input for mixing. The goals were to determine the effect of scale and geometry on power number P 0 , and estimate the power for mixing a pretreated biomass slurry in a 3.8 million L hydrolysis reactor of conventional design. A lab‐scale computational fluid dynamics model was validated against experimental data and then scaled up. A pitched‐blade turbine and A310 hydrofoil were tested for various geometric arrangements. Flow was transitional; laminar and turbulence models resulted in equivalent P 0 which increased with scale. The ratio of impeller diameter to tank diameter affected P 0 for both impellers, but impeller clearance to tank diameter affected P 0 only for the A310. At least 2 MW is required to operate at this scale.},
doi = {10.1002/ceat.201400327},
url = {https://www.osti.gov/biblio/1401595},
journal = {Chemical Engineering and Technology},
issn = {0930-7516},
number = 1,
volume = 38,
place = {Germany},
year = {Fri Nov 28 00:00:00 EST 2014},
month = {Fri Nov 28 00:00:00 EST 2014}
}
Web of Science
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