Formation Process of Barium Sulfate Particles Using Electrical Resistance Tomography

化学工业与工程

Chemcial Industry and Engineering

2019, Vol. 36

Issue (3) :42-48 DOI: 10.13353/j.issn.1004.9533.20171017

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Formation Process of Barium Sulfate Particles Using Electrical Resistance Tomography

Liu Yuejiao^1,2, Ye Feifei^1,2, Guo Xiaoyan¹, Yang Suohe¹, He Guangxiang¹, Jin Haibo¹

1. Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, College of Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing 101617, China;
2. College of Chemical Engineering, Beijing University of Chemical Technology, Beijing 100029, China

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Abstract The conductivity of the reactor was monitored by resistance tomography (ERT) in real time, and the change of the conductivity of the solution during the formation of spherical barium sulfate particles was investigated. Under Pseudo-homogeneous conditions, the relation between the conductivity change and barium sulfate particles is on line monitored by ERT, which is used to analyze the generated particle concentration, and the morphology of barium sulfate particles in reaction stage is observed using the scanning electron microscope. The experimental results show that the electrical conductivity of change trend and the best reaction time under different concentration are obtained through the ERT monitoring conductivity change, which can form the size uniformity of spherical particles. It also verifies the electrical resistance tomography (ERT) technique can be used to study the formation of barium sulfate particles with high sensitivity.

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	Liu Yuejiao
	Ye Feifei
	Guo Xiaoyan
	Yang Suohe
	He Guangxiang
	Jin Haibo

Keywords： barium sulfate； electrical resistance tomography； precipitation； conductivity； agitation

Received 2017-05-08;

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Liu Yuejiao, Ye Feifei, Guo Xiaoyan, Yang Suohe, He Guangxiang, Jin Haibo.Formation Process of Barium Sulfate Particles Using Electrical Resistance Tomography[J] Chemcial Industry and Engineering, 2019,V36(3): 42-48

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