Models for converting CLD to PSD for bimodal distributions of particles

Models for converting CLD to PSD for bimodal distributions of particles

Focused Beam Reflectance Measurement (FBRM) is a commonly used PAT tool that measures the Chord Length Distribution (CLD) of the particles in a suspension, providing a fingerprint of the size distribution of the suspended particles. Despite the extensive usage, there still exists a need for models f...

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Bibliographic Details
Published in:Chemical engineering research & design Vol. 200; pp. 576 - 591
Main Authors: Honavar, Vaishnavi G., Pandit, Ajinkya V., Singh, Mehakpreet, Ranade, Vivek V.
Format: Journal Article
Language:English
Published: Elsevier Ltd 01-12-2023
Subjects:
Bimodal distributions
FBRM
Needle-shaped crystals
PAT tools
NaHCO3
nPSD
PSD
PAT
SSE
Needle-shaped crystals
POCS
MT-PVC
SD
PAT tools
FBRM
API
CBZ
CLD
Models
swCLD
vPSD
Bimodal distributions
nCLD
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Description
Summary:Focused Beam Reflectance Measurement (FBRM) is a commonly used PAT tool that measures the Chord Length Distribution (CLD) of the particles in a suspension, providing a fingerprint of the size distribution of the suspended particles. Despite the extensive usage, there still exists a need for models for converting CLD to particle size distribution (PSD) particularly for bimodal distribution of particles with aspect ratio higher than one. In this work, we further developed and evaluated different models for converting the CLD to the PSD of particles with an aspect ratio greater than one and have discussed the applicability of the models to monomodal as well as bimodal distributions. The models have been verified at different aspect ratios using synthetically generated experimental data. It was observed that the geometric model proposed in this work performs better than the other models compared in this work. The presented models and results will be useful for selecting appropriate CLD to PSD models for a wide range of applications. [Display omitted] •Developed CLD to PSD models applicable to bi-modal distributions of high-aspect ratio particles.•Used synthetically generated and experimental data for evaluating CLD to PSD models.•The modified needle model was shown to be effective even for bi-modal distributions.•The models are useful for extending use of FBRM to crystallisation leading to bi-modal distributions.
ISSN:0263-8762
DOI:10.1016/j.cherd.2023.11.021