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2017 , Vol. 17 >Issue 1: 151 - 155

DOI: https://doi.org/10.12034/j.issn.1009-606X.216216

Process and Technology

Study on the Activity and Microstructure of Lime

  • HAO Su-Ju ,
  • REN Qian-Qian ,
  • ZHANG Yu-Zhu ,
  • JIANG Wu-Feng ,
  • HAO Hua-Qiang ,
  • BAO He ,
  • DONG Jian-Jun
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  • 1. College of Metallurgy ＆ Energy, North China University of Science and Technology
    2. School of Metallurgy, Northeastern University
    3. Modern Metallurgical Technique Key Lab, Ministry of Education, North China Univ. Sci. Technol.
    4. Tangshan Vocational College of Science and Technology

Received date: 2016-06-29

  Revised date: 2016-08-15

  Online published: 2017-02-22

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Abstract

The micro structure on the grain size, specific surface area and the pore structure of lime were analyzed by means of the field emission SEM and automatic pressure mercury, revealing the influence of calcination time, temperature and pressure on the activity of lime, determining the relationship between microstructure of lime and lime activity. The results showed that lime activity increases firstly and then decreases with the increasing of specific surface area, average pore diameter and pore volume of lime. When specific surface area is 2.0 m2/g around, the average pore size is about 850 nm, the hole volume is about 0.58 mL/g, the activity of lime is highest.

Key words： lime; activity; specific surface area; average pore diameter; pore volume

Cite this article

HAO Su-Ju , REN Qian-Qian , ZHANG Yu-Zhu , JIANG Wu-Feng , HAO Hua-Qiang , BAO He , DONG Jian-Jun . Study on the Activity and Microstructure of Lime[J]. The Chinese Journal of Process Engineering, 2017 , 17(1) : 151 -155 . DOI: 10.12034/j.issn.1009-606X.216216

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