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Coking desulfurization and denitration

Dry desulfurization and medium and low temperature SCR denitration process for coke oven flue gas

Technical route 1: Medium and low temperature denitration + residual heat utilization + wet desulfurization

  The technical route is denitration followed by desulfurization, which integrates the technologies of SCR medium and low temperature denitration, residual heat utilization and wet desulfurization and carries out heat exchange between ambient air and flue gas so as to return the obtained hot air to the original chimney for thermal preparation (maintaining the continuous suction of the original chimney).

Technical route 2: Medium and low temperature denitration +SDA semi-dry/CFB semi-dry /SDS dry desulfurization

  The technical route is denitration followed by desulfurization, which integrates SCR medium and low temperature denitration and semi-dry/dry desulfurization technologies and the purified flue gas after denitration and desulfurization is returned to the original chimney for emission.


Technical route 3: SDA semi-dry/SDS dry desulfurization + medium and low temperature denitration

  The technical route is desulfurization followed by denitration, which integrates semi-dry/dry desulfurization and SCR medium and low temperature denitration technology in one, and the purified flue gas after desulfurization and denitration is returned to the original chimney for emission.