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Bubble-Liquid Membrane Method for Preparing Spherical Calcium Carbonate Nanoparticles. | LitMetric

Bubble-Liquid Membrane Method for Preparing Spherical Calcium Carbonate Nanoparticles.

J Nanosci Nanotechnol

School of Material Science & Food Engineering, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China.

Published: October 2021

AI Article Synopsis

Article Abstract

In this work, we describe the principle and operation of a bubble-liquid membrane reactor, and use of the reactor to prepare spherical calcium carbonate nanoparticles. The products were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and laser particle size analysis. The effects of additives to control crystal morphology, coating agents, and the stirring speed of the bubble-liquid membrane reactor were investigated. Spherical calcium carbonate nanoparticles with uniform dispersion and no agglomeration were obtained when a disodium hydrogen phosphate/ethylenediaminetetraacetic acid disodium salt mixture (1:1 mass ratio) was used as the additive, oleic acid was used as the coating agent (1.5 wt%), and the stirring speed was 5000-6000 r/min. The results indicate that the bubble-liquid membrane reactor may be suitable for continuous industrial production of calcium carbonate nanoparticles.

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http://dx.doi.org/10.1166/jnn.2021.19332DOI Listing

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Bubble-Liquid Membrane Method for Preparing Spherical Calcium Carbonate Nanoparticles.

J Nanosci Nanotechnol

October 2021

School of Material Science & Food Engineering, University of Electronic Science and Technology of China, Zhongshan Institute, Zhongshan 528402, China.

In this work, we describe the principle and operation of a bubble-liquid membrane reactor, and use of the reactor to prepare spherical calcium carbonate nanoparticles. The products were characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, and laser particle size analysis. The effects of additives to control crystal morphology, coating agents, and the stirring speed of the bubble-liquid membrane reactor were investigated.

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