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DeSOx DeSOx

Green Island

Green Island

The scope of the power plant green island is from the flue gas outlet of the boiler to the inlet of the stack, and mainly includes desulfurization (collaborative dust removal), de-NOx, electrostatic precipitator, system.

DeSOx

Semi-dry FGD

Circulating fluidized bed flue gas desulfurization is a kind of desulfurization and absorption reactor using lime as absorbent and circulating fluidized bed. It makes full use of the unique characteristics of circulating fluidized bed, including the superior heat and mass transfer between gas and solid phases. The absorbent circulates for many times and the contact reaction time is longer, which greatly improves the utilization rate and desulfurization efficiency of the absorbent.

  • Simple process and low investment

    Simple process and low investment

  • Small floor area and low cost

    Small floor area and low cost

  • High desulfurization efficiency >90%

    High desulfurization efficiency >90%

  • SO3 completely removed

    SO3 completely removed

  • No flue gas reheat system is required

    No flue gas reheat system is required

  • Simple process and low investment

    Simple process and low investment

  • Remove heavy metals without pollution

    Remove heavy metals without pollution

Semi-dry FGD

Limestone gypsum wet desulphurization

  • Agitator is not required in the tower

    Agitator is not required in the tower

  • Use pulse stirring to lift the solids at the bottom of the tower

    Use pulse stirring to lift the solids at the bottom of the tower

  • simple structure

    simple structure

  • the suspension pump is outside the tower

    the suspension pump is outside the tower

  • high oxidation efficiency

    high oxidation efficiency

Limestone gypsum wet desulphurization

Dry FGD (NaHCO3)

Sodium-based dry desulfurization technology uses NaHCO3 as desulfurizer, which is sprayed into SDS reactor in the state of ultrafine powder. Under the action of high-temperature flue gas, NaHCO3 ultrafine powder decomposes high-activity Na2CO3 and CO2. Na2CO3 with strong activity fully contacts with SO2 and other acidic media in flue gas, and is absorbed and purified.

  • High efficiency, SO2 removal rate is over 95%

    High efficiency, SO2 removal rate is over 95%

  •  Dry system, no water required

    Dry system, no water required

  •  Small floor area, low system cost

    Small floor area, low system cost

  • No corrosion during the process

    No corrosion during the process

  • Low sulfur content and small flue gas volume

    Low sulfur content and small flue gas volume

Dry FGD (NaHCO3)

Typical references

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