Determination of sulfate ion in FGD equipments from fossil fuel power plants by thermometric titration

SUN Huan; WANG Han; GONG Yan; SONG Xiaohong

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Determination of sulfate ion in FGD equipments from fossil fuel power plants by thermometric titration

更新时间：2025-09-28

- Determination of sulfate ion in FGD equipments from fossil fuel power plants by thermometric titration
- Thermal Power Generation Vol. 44, Issue 4, Pages: 116-119(2015)
- 作者机构：
  
  1. 瑞士万通中国有限公司
  2. 河北省电力科学研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： X832
- Published：2015
- 稿件说明：
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SUN Huan, WANG Han, GONG Yan, et al. Determination of sulfate ion in FGD equipments from fossil fuel power plants by thermometric titration[J]. Thermal power generation, 2015, 44(4): 116-119.
DOI：

SUN Huan, WANG Han, GONG Yan, et al. Determination of sulfate ion in FGD equipments from fossil fuel power plants by thermometric titration[J]. Thermal power generation, 2015, 44(4): 116-119. DOI：

摘要

采用温度滴定法对火电厂脱硫浆液中的硫酸根进行了定量分析。与传统方法相比

温度滴定法测定硫酸根操作简单、快速、准确度高

适合大批量样品的连续分析。对硫酸根含量在50~175mmol/L样品的测试结果表明

测试结果的相对标准偏差在0.3%~1.1%之间

加标回收率在97.1%~99.5%之间

能够满足脱硫系统分析测试的要求。

Abstract

By thermometric titration method

sulfate ion in FGD equipment of a fossil fuel power plant was determined.Compared with the conventional method

this new method is easy to follow

and has fast speed and high accuracy

which is suitable for continuous analysis of large scale samples.Detection for samples with sulfate iron concentration ranging from 50mmol/L to 175mmol/L shows that

the relative standard difference(RSD)of the results is between 0.3% and 1.1%

and the recovery rate is between 97.1% and99.5%

indicating this method can meet the requirements of analysis in desulfurization system.

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