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Semi-Dry Flue Gas Desulfurization
Semi-Dry Flue Gas Desulfurization
Semi-Dry Flue Gas Desulfurization

Semi-Dry Flue Gas Desulfurization

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Description:

This process based on the principle of the circulating fluidized bed and dry state lime powder Ca (OH) 2 as the absorbent. By absorber multiple recycling, extended contact time of flue gas and absorbent in the desulfurization tower, In order to achieve a purpose of efficient desulfurization, While greatly improving the utilization of absorbent. Desulfurization slag is a mixture of a free-flowing powder, no secondary pollution, but also can be further utilized. Mainly used in power plant desulfurization.


Chemical reaction:

1. SO2+H2O→H2SO3 SO3+H2O→H2SO4

2. Ca(OH)2+H2SO3→CaSO3+2H2O Ca(OH)2+2HF→CaF2+2H2O

Ca(OH)2+H2SO4→CaSO4+2H2O Ca(OH)2+2HCI→CaCI2+2H2O

3. CaSO3+1/2O2→CaSO4


System components:

1. Desulfurization preparation system

2. Desulfurization tower system

3. ESP Systems

4. Process water system

5. flue gas system

6. Desulfurization ash recycling system

7. Desulfurization ash efflux system

8. Electronic Control System

  • E-mail: guorui@qhdjhzg.com
  • Tel: +86 335 5175 770
  • Fax: +86 335 5175 750
  • Add: No.1 of Taichang Road, Lingang Industrial Park, Shanhaiguan District, Qinhuangdao City, Hebei Province, China
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