燃煤电厂脱硫废水及污泥中重金属污染物控制研究进展

韩卫博; 卞双; 汪涛; 王家伟; 张永生; 潘伟平

doi:10.12096/j.2096-4528.pgt.20064

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燃煤电厂脱硫废水及污泥中重金属污染物控制研究进展

厂界环保岛与数字孪生技术 | 更新时间：2025-07-04

- 燃煤电厂脱硫废水及污泥中重金属污染物控制研究进展
- Research Progress on Control of Heavy Metals Pollutants in Desulfurization Wastewater and Sludge of Coal-fired Power Plants
- 发电技术 2020年41卷第5期页码：497-509
- 作者机构：
  
  华北电力大学能源动力与机械工程学院, 北京市昌平区 102206
- 作者简介：
  
  [ "韩卫博(1995), 男, 硕士研究生, 主要研究方向为脱硫废水及污泥中重金属污染物控制, 18811335622@163.com" ]
  [ "卞双(1964), 女, 硕士, 副教授, 主要研究方向为大型汽轮机组优化运行, bs@ncepu.edu.cn" ]
  [ "汪涛(1987), 男, 博士, 副教授, 主要研究方向为燃煤污染物生成机理及控制技术, wtao@ncepu.edu.cn" ]
  [ "王家伟(1987), 男, 博士, 工程师, 主要研究方向为燃烧与污染物控制, wangjiawei750@163.com" ]
  张永生(1975), 男, 博士, 教授, 主要研究方向为燃烧与污染物控制, 本文通信作者, yszhang@ncepu.edu.cn
  [ "潘伟平(1954), 男, 博士, 教授, 主要研究方向为煤炭燃烧及污染控制, 18801039451@163.com" ]
- 基金信息：
  
  国家重点研发计划项目(2018YFB060520)
- DOI：10.12096/j.2096-4528.pgt.20064
  中图分类号： X773;TK16
- 收稿：2020-08-12，
  
  纸质出版：2020-10-31
- 稿件说明：
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韩卫博, 卞双, 汪涛, 等. 燃煤电厂脱硫废水及污泥中重金属污染物控制研究进展[J]. 发电技术, 2020,41(5):497-509.

Weibo HAN, Shuang BIAN, Tao WANG, et al. Research Progress on Control of Heavy Metals Pollutants in Desulfurization Wastewater and Sludge of Coal-fired Power Plants[J]. Power Generation Technology, 2020, 41(5): 497-509.
韩卫博, 卞双, 汪涛, 等. 燃煤电厂脱硫废水及污泥中重金属污染物控制研究进展[J]. 发电技术, 2020,41(5):497-509. DOI： 10.12096/j.2096-4528.pgt.20064.

Weibo HAN, Shuang BIAN, Tao WANG, et al. Research Progress on Control of Heavy Metals Pollutants in Desulfurization Wastewater and Sludge of Coal-fired Power Plants[J]. Power Generation Technology, 2020, 41(5): 497-509. DOI： 10.12096/j.2096-4528.pgt.20064.

摘要

燃煤发电中常采用湿法烟气脱硫技术，该工艺会产生含有重金属污染物的脱硫废水和污泥，潜在环境危害性强，需谨慎处理。介绍了燃煤电厂脱硫废水和脱硫污泥的产生来源、成分组成、重金属污染物含量水平和排放处置标准，对沉淀法等脱硫废水重金属处理技术和脱硫污泥重金属去除及固化技术的原理、优点、适用性和局限性进行总结对比分析。脱硫废水重金属控制方法中，目前普遍使用的三联箱工艺难以满足日益严格的排放标准，需进行改进；吸附法、微生物法等新型方法也因成本和技术等问题而难以普及；零排放技术因其无污染的特性将逐渐成为研究和推广的主流。脱硫污泥重金属控制方法大多仍处于研究中，化学修复和药剂固化方法因效果好、适用性强将逐渐在电厂生产实践中推广。

Abstract

Wet flue gas desulfurization technology is often used in coal-fired power units. This process will produce desulfurization wastewater and sludge containing heavy metal pollutants

which is harmful to the environment and should be treated carefully. The source

composition

content of heavy metal pollutants

emission standards of desulphurization wastewater and sludge from coal-fired power plants were introduced. The principles

advantages

applicability and limitations of the heavy metal treatment and solidification technology were summarized and analyzed contrastively. Among the methods for controlling heavy metals in desulfurization wastewater

traditional triple junction tank treatment technology is difficult to meet the stringent emission standards and need to be improved. New methods such as adsorption and microbiological methods are also difficult to popularize because of cost and technical issues. Zero-emission technology will gradually become the mainstream of research and promotion because of high environmental protection. Most of the heavy metal control methods for desulfurization sludge need further research. Chemical remediation and medicament solidification methods will be gradually popularized in power plant production due to high processing efficiency and applicability.

关键词

Keywords

references

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