Experimental study on factors affecting the ammonia-based WFGD process

DING Honglei; Su Qiufeng; Zhang Yongxin; Wen Wen; GAO Xiang

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Experimental study on factors affecting the ammonia-based WFGD process

更新时间：2025-09-28

- Experimental study on factors affecting the ammonia-based WFGD process
- Thermal Power Generation Vol. 43, Issue 1, Pages: 96-98(2014)
- 作者机构：
  
  1. 浙江大学能源清洁利用国家重点实验室
  2. 上海电力学院能源与机械工程学院
  3. 浙江蓝天环保设备工程有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： X701.3
- Published：2014
- 稿件说明：
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DING Honglei, Su Qiufeng, Zhang Yongxin, et al. Experimental study on factors affecting the ammonia-based WFGD process[J]. Thermal power generation, 2014, 43(1): 96-98.
DOI：

DING Honglei, Su Qiufeng, Zhang Yongxin, et al. Experimental study on factors affecting the ammonia-based WFGD process[J]. Thermal power generation, 2014, 43(1): 96-98. DOI：

摘要

在冷态试验条件下

于小型逆流喷淋塔脱硫系统上考察了湿式氨法脱硫工艺参数对脱硫效率的影响。结果表明:pH值是影响脱硫效率的主要因素

当脱硫液pH值从4.5升至5.0时

脱硫效率从69.6%增至94.1%

过高的pH值会增大氨逃逸率

适宜pH值为5.5~6.0之间;适当增加烟气停留时间和液气比有助于提高脱硫效率

而提高入口SO2烟气浓度会降低脱硫效率。

Abstract

Aiming at investigating the ammonia-based wet flue gas desulfurization(WFGD) process

the influence of process parameters on desulfurization efficiency was experimentally studied on a small scale countercurrent spray tower FGD system

under cold state condition.The results indicated that

the desulfurization efficiency was mainly affected by pH value

which increased from 69.6%to 94.1% when the pH value rose from 4.5to 5.0.The optimal pH value varies from 5.5to 6.0.Properly increasing the residence time of flue gas and enhancing the liquidgas ratio was helpful to the desulfurization efficiency.However

the desulfurization efficiency dropped when the inlet SO2 concentration was increased.

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