Characterization and preparation of biomass, oil shale and coal-based feedstocks

Trass, O.

doi:10.1533/9780857093783.1.3

Cited by 2 publications

(2 citation statements)

References 32 publications

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“…The slurry viscosity is an important property for homogenous infiltration. The slurry viscosity depends upon various factors, such as particle size, shape and its distribution, amount of solid loading, solvent viscosity, and shear rate 41 . It is clear that the CZS35 slurry infiltrated only through large pores and formed a thicker matrix layer.…”

Section: Discussionmentioning

confidence: 99%

“…The slurry viscosity depends upon various factors, such as particle size, shape and its distribution, amount of solid loading, solvent viscosity, and shear rate. 41 It is clear that the CZS35 slurry infiltrated only through large pores and formed a thicker matrix layer. However, infiltration was limited due to the small size of the intra-tow pores.…”

Section: Slurry Infiltration In Woven Performmentioning

confidence: 97%

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Processing and characterization of 2D woven ZrB₂‐based ultrahigh‐temperature ceramic matrix composites

Patel,

Kumar

2023

Int J Applied Ceramic Tech

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Cf‐ZrB2 and Cf‐ZrB2‐SiC ultra high temperature ceramic matrix composites were produced using slurry infiltration in the 2D woven carbon fabric and hot pressing at 2000°C. The mixing time and amount of solid loading of the ZrB2‐SiC slurry were found to have a significant effect on both microstructure and mechanical properties and were optimised to obtain an agglomerates‐free composite. The ZrB2‐SiC slurry with a solid loading of 20–30% was found to be effective for infiltration within the intra pore in carbon tows. The composites have a nearly completely dense matrix layer with a porous matrix within the fibre layers. The fabricated 2D woven Cf‐ZrB2 and Cf‐ZrB2‐SiC composites were non‐brittle.This article is protected by copyright. All rights reserved

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Section: Discussionmentioning

confidence: 99%

Section: Slurry Infiltration In Woven Performmentioning

confidence: 97%

Processing and characterization of 2D woven ZrB₂‐based ultrahigh‐temperature ceramic matrix composites

Patel,

Kumar

2023

Int J Applied Ceramic Tech

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Estimation of Bubble Size and Gas Dispersion Property in Column Flotation

Kim,

Park

2024

Separations

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This study investigates bubble size measurements, bubble characteristics, and the relationship between key operating variables and gas dispersion properties in column flotation. As the frother concentration increased to 120 ppm, the bubble size distribution (BSD) transformed from bimodal to unimodal and achieved a minimum bubble size of 0.62 mm. The critical coalescence concentration (CCC) was identified as 120 ppm. Gas velocity and wash water velocity significantly influenced bubble size, with gas holdup peaking at 27% at 1.08 cm/s a gas velocity. The bubble-rising velocity increased as the bubble size increased, indicating that the bubble size and bubble-rising velocity were proportional. The bubble surface area flux decreased linearly with increasing bubble size and was significantly affected by the gas velocity. A strong correlation (R2 = 0.86) between measured and calculated bubble sizes was achieved, with an average size of 0.64 mm and an estimation error of ±13%. The study demonstrated that bubble size and distribution could be effectively controlled under specific operational conditions (Jg = 0.65–1.3 cm/s, JW = 0.13–0.52 cm/s, frother = 30–120 ppm). These findings highlight the importance of optimizing key variables to enhance column stability, regime maintenance, and flotation performance.

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Characterization and preparation of biomass, oil shale and coal-based feedstocks

Cited by 2 publications

References 32 publications

Processing and characterization of 2D woven ZrB₂‐based ultrahigh‐temperature ceramic matrix composites

Processing and characterization of 2D woven ZrB₂‐based ultrahigh‐temperature ceramic matrix composites

Estimation of Bubble Size and Gas Dispersion Property in Column Flotation

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Characterization and preparation of biomass, oil shale and coal-based feedstocks

Cited by 2 publications

References 32 publications

Processing and characterization of 2D woven ZrB2‐based ultrahigh‐temperature ceramic matrix composites

Processing and characterization of 2D woven ZrB2‐based ultrahigh‐temperature ceramic matrix composites

Estimation of Bubble Size and Gas Dispersion Property in Column Flotation

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Product

Resources

About

Processing and characterization of 2D woven ZrB₂‐based ultrahigh‐temperature ceramic matrix composites

Processing and characterization of 2D woven ZrB₂‐based ultrahigh‐temperature ceramic matrix composites