Wholesale Wet flue gas desulfurization
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Wet flue gas desulfurization
  • Wet flue gas desulfurization

Wet flue gas desulfurization

Limestone-gypsum desulfurization technology is a mature and widely used technology. The system comprises a flue gas system, a sulfur dioxide absorption system, a desulfurizer preparation and supply system, a process water system, and a gypsum dehydration system. This process offers high desulfurization efficiency, a wide range of applications, mature technology, and stable operation, making it a primary desulfurization method for coal-fired power plants.

[Application Areas]: Treatment of exhaust gases from steel furnaces burning fuels such as coal, heavy oil, orimulsion, and petroleum coke.

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Working Principle

Working Principle

Desulfurization process
CaCO3+SO2+1/2H2O→CaSO3·1/2H2O+CO2
Ca(OH)2+SO2→CaSO3·1/2H2O+1/2H2O
CaSO3·1/2H2O+SO2+1/2H2O→Ca(HSO3)2

Oxidation process
2CaSO3·1/2H2O+O2+3H2O→2CaSO4·2H2O
Ca(HSO3)2+O2+2H2O→CaSO4·2H2O+H2SO4

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Jiangsu JND Environmental & Energy Technology Co., Ltd.
Jiangsu JND Environmental & Energy Technology Co., Ltd.