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Flue Gas Desulfurization

 We could supply manytypes of FGD technology such as:

 

1. Lime(limestone)-FGD gypsum

 2CaCO3+H2O+2SO2=2CaSO3*1/2 H2O+ 2CO2
 2CaSO3*1/2H2O+O2+3H2O=2CaSO4*2H2O

 Maturetechnology, the largest stand-alone capacity of more than 1000mw

Desulfurizationefficiency> 95%

Availability of the system is stable> 98%

Desulfurizer - Limestone, cheap and easy to get

Desulfurization by-products - gypsum, can be profitable .

 

2. dual alkali FGD

2NaOH+SO2=Na2SO3+H2O                 

Ca(OH)2 + 2NaHSO3=NaSO3 + CaSO3*1/2H2O+1/2H2O

NaSO3+SO2+H2O=2NaHSO3               

Ca(OH)2 +Na2SO3+1/2O2+2H2O=2NaOH+CaSO4*H2O

Ca(OH)2+NaSO3=2NaOH+ CaSO3

 Absorptionfast, reduce liquid to gas ratio, thereby reducing system operating costs

Serum sodium alkali is always circulation, reduce risk of fouling of systemoperation

Systemdesulfurization efficiency up to 98%

Alkaline solution recycling, improved sorbent utilization, lower system cost inoperating period

 

3. Ammonia FGD

The ammonia flue gasdesulfurization has many benefits, such as high-efficiency of desulfurization,low-energy consumption, steady operation, and without secondary pollution; atthe same time, its by-product, ammonium sulfate, satisfying the standard ofagrochemical, accompanying good market prospect.

 

 

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