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Particle Sizing in Dense, Rapidly Flowing Potassium Chloride (KCl) Suspensions Using Continuous-Wave Photon Migration Techniques

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Abstract

We present the first experimental measurement of particle size distribution (PSD) from undiluted, rapidly flowing suspensions using continuous-wave photon migration techniques. PSDs were obtained from a laboratory simulation of production line slurries used in the chemical fertilizer industry. Spectral measurements of concentrated, rapidly flowing slurry containing 25%-40% KCl pellets were used to calculate the suspensions reduced scattering coefficient and PSD using inverse algorithms. Our PSD results are in excellent agreement with sieving measurements. The importance of refractive index in the calculations of the PSD and the suspensions reduced scattering coefficient is also discussed.

© 2000 Optical Society of America

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