Effects of additives on preparation and use of calcium sorbent for SO2 removal

ZHANG Hu; TONG Huiling; DONG Shanning; CHEN Changhe

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Effects of additives on preparation and use of calcium sorbent for SO2 removal

更新时间：2026-03-26

- Effects of additives on preparation and use of calcium sorbent for SO2 removal
- CIESC Journal Vol. 57, Issue 2, (2006)
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- Online First：25 February 2006，
  
  Published：2006
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ZHANG Hu, TONG Huiling, DONG Shanning, et al. Effects of additives on preparation and use of calcium sorbent for SO2 removal[J]. CIESC Journal, 2006, 57(2).
DOI：

ZHANG Hu, TONG Huiling, DONG Shanning, et al. Effects of additives on preparation and use of calcium sorbent for SO2 removal[J]. CIESC Journal, 2006, 57(2). DOI：

摘要

以NaOH、Na2CO3、MgO等调质钙基脱硫剂，在固定床内进行脱硫实验.实验结果表明，不同添加剂调质后的脱硫剂固硫能力均有提高.通过多种实验手段分析发现，调质一方面改善了脱硫剂颗粒的孔隙分布，另一方面，使得脱硫剂颗粒的表面微观形貌和物质组成发生了变化，从而提高了脱硫剂的固硫性能.研究发现，NaOH和Na2CO3的复合调质能够显著提高脱硫剂的固硫效果.

Abstract

Calcium sorbent was prepared with NaOH

Na2CO3

MgO as additives. A bench scale experiment was carried out to study the effects of additives on SO2 removal. The results showed that additives could enhance the sorbent’s reactivity with SO2 by optimizing the structural properties of sorbent. SEM and EDAX analysis indicated that additives enlarged sorbent’s surface area and changed its chemical composition

which was beneficial to the desulfurization process.NaOH+Na2CO3 promoted sorbents showed better effects than those using NaOH alone.

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