Measurement and Estimation of the Particle Size Distribution by the Buoyancy Weighing–Bar Method and the Rosin–Rammler Equation

Rondang Tambun; Katsuhiko Furukawa; Masayuki Hirayama; Masamitsu Shimadzu; Shin-ya Yamanaka; Yuichi Ohira

doi:10.1252/jcej.14we129

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Measurement and Estimation of the Particle Size Distribution by the Buoyancy Weighing–Bar Method and the Rosin–Rammler Equation

Rondang Tambun, Katsuhiko Furukawa, Masayuki Hirayama, Masamitsu Shimadzu, Shin-ya Yamanaka, Yuichi Ohira

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Keywords: Particle Engineering, Particle Size Distribution, Buoyancy, Rosin–Rammler Equation, Fine Particle

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2016 Volume 49 Issue 2 Pages 229-233

DOI https://doi.org/10.1252/jcej.14we129

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Abstract

Measuring the size distribution of fine particles (<5 µm) in a few hours is difficult when using the sedimentation method due to a decrease in sedimentation rate. Herein, we discussed the validity of using a combination of the buoyancy weighing–bar method and the Rosin–Rammler equation to estimate the particle size distribution. When the cumulative mass oversize exceeds about 0.15, the Rosin–Rammler equation can be used to estimate the particle size distributions of suspended solids.

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