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Specifically the activity of producing sponge iron (DRI) to removal of dissolved oxygen in the water, main ingredient is iron sponge iron, its inner structure of porous, providing 5.1 million times the surface than ordinary iron and oxygen in the water can be prompt and thorough oxidation reaction with the iron.

The product Fe (OH) 2, Fe (OH) 3, Flocculent precipitate is not easily soluble in water, when along with the water flow through the rest of sponge iron particles are stopped, as long as the intensity of anti-washing water can wash (about 5 minutes).

Sponge iron consumption is very low, according to the different treatment of water quantity and water quality, and General 3-6 months to add them again.

(After oxygen, the added small amounts of iron ions, typically 0.2-0.5mg/L, for hot water boilers to comply with State water quality standards, but for the steam boiler or water Fe2+ with the stringent requirements of feedwater deaerating, to add iron remover, remove the water in the Fe2+)

As water deaerating agents granularity of using sponge iron in Fe3O4 powder bonded together below-200 mesh, particle size is about 2-5mm. By its restore process metathesis reaction, forming a number of gaps, there are gaps of powder particles bond, making oxygen scavenger high porosity, specific surface area, but also because it is a primary ore direct reduction of income, relatively pure, so activity is extremely high, generate Fe3O4 reacts with the oxygen in the water, so as to achieve the purpose removing oxygen. While utilization will increase to more than 90%.