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Overview of Environment
Protection Industry
Wet Limestone-Gypsum Technology for Flue Gas Desulphurization (FGD)
The wet limestone-gypsum FGD process uses limestone or lime as reagent and consequently produces commercial grade gypsum. This system basically consists of a reagent preparation system, an absorber module, and a byproduct dewatering system.
Our technology represents the implementation of the latest design concept of a more efficient and compact system, which integrates SO2 removal, fly ash collection, in-situ forced oxidation and gypsum crystallization in one single reactor. This advanced system provides an excellent solution for our customers with prominent desulphurization efficiency, small land coverage, high reliability, good load following capability and low O&M cost.
Dry Spray Absorption Technology for Flue Gas Desulphurization (FGD)
In spray absorption system, untreated flue gas is introduced into a spray dryer absorber module and contacts with a fine spray of lime slurry/reagent. The pollutants SO2, SO3, HCI and HF are rapidly absorbed, converted into the reaction products and removed by the downstream particle collector (fabric filter or electrostatic precipitator).
The dry spray absorption technology introduced by Insigma features low capital investment, low O&M cost, low auxiliary power consumption, less space requirement, simple structure and high availability. This technology is mature enough that numerous absorbers have been installed and successfully operated in the power stations worldwide.
SCR (Selective Catalytic Reduction) Technology for NOx Removal
In the SCR system, ammonia is injected into the flue gas and mixed homogeneously with the flue gas, and subsequently nitrogen oxides, at the presence of the catalyst, are decomposed into nitrogen and water. Insigma's SCR technology offers the ideal combination of high performance and stable operation and is capable of being applied to boilers burning various fuels and waste incinerators.
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