Mercury Emission Characteristic and Removal Technical Analysis in Coal-fired Power Plant

陈瑶姬; 孟炜; 胡达清

doi:10.16056/j.1005-7676.2016.01.007

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Mercury Emission Characteristic and Removal Technical Analysis in Coal-fired Power Plant

更新时间：2026-01-19

- Mercury Emission Characteristic and Removal Technical Analysis in Coal-fired Power Plant
- Issue 1, Pages: 25-27+44(2016)
- 作者机构：
  
  1. 浙江天地环保工程有限公司
  2. 浙江大学
- 作者简介：
- 基金信息：
- DOI：10.16056/j.1005-7676.2016.01.007
  CLC： X773
- Published：2016
- 稿件说明：
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[1]陈瑶姬,孟炜,胡达清.燃煤电厂汞的排放特性和脱汞技术分析[J].能源研究与管理,2016(01):25-27+44.

陈瑶姬, 孟炜, 胡达清. Mercury Emission Characteristic and Removal Technical Analysis in Coal-fired Power Plant[J]. 2016, (1): 25-27+44.
[1]陈瑶姬,孟炜,胡达清.燃煤电厂汞的排放特性和脱汞技术分析[J].能源研究与管理,2016(01):25-27+44. DOI： 10.16056/j.1005-7676.2016.01.007.

陈瑶姬, 孟炜, 胡达清. Mercury Emission Characteristic and Removal Technical Analysis in Coal-fired Power Plant[J]. 2016, (1): 25-27+44. DOI： 10.16056/j.1005-7676.2016.01.007.

摘要

对某燃煤电厂中汞的排放特性进行了研究

并依此对脱汞技术进行了简要分析。研究发现

燃煤产生的大部分汞都残留在电除尘器底灰和烟气中

分别占到约42%和39%

其中烟气中汞的排放形式主要为零价汞;在湿法脱硫系统中被脱除的二价汞绝大多数残留在石膏浆液中

脱硫废水中汞残留较少。根据分析和测试

脱硫系统和湿电系统对二价汞具有好的脱除效果

脱硝系统会将部分零价汞转化为二价汞

且可脱除部分颗粒汞。

Abstract

Mercury removal characteristic of a coal-fired power plant is studied

and mercury removal technology is analysis.According to the result

most mercury from coal remains in bottom ash and flue gas

the percentage is 42% and 39%separately

and the main form is Hg0; most Hg2+removed in WFGD remains in gypsum slurry

little remains in wastewater.WFGD and WESP have good mercury removal capacity

SCR can convert some Hg0 to Hg2+

and can remove some mercury particles.

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