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Polyferric Sulfate

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1. Property & Specification of Polyferric Sulfate

Name: Polyferric Sulfate

Molecular formula: [Fe2(OH) (SO4) 3-n/2]m

Appearance: Light yellow amorphous powder, hygroscopic, readily soluble in water. 10%(W/W)aqueous solution is a transparent orange solution.

Specification: in conformity with GB14591-93

CAS No .: 1327-41-9

2. Specification of Polyferric Sulfate : Polymeric Ferric sulfate is an inorganic macromolecule product that is highly efficient and has a steady chemical characteristic that dissolves with water. In the process of water treatment, PFS hydrolyzes a large amount of masculine nucleus ions, counteracting the charges in the face of colloid grains and pulls the colloid grains strongly, causing the colloid grains to become floccules and then deposits it, so that the water becomes purified.

3.The characteristic of Polyferric Sulfate

1). Polymeric ferric sulfate has an excellent ability of concreting, and depositing in high speeds of just 5-10 minutes or faster, depending on if there are any assisting equipments.

2). Polymeric ferric sulfate has an excellent ability of purifying water, resulting in high water quality after the water treatment is finished. PFS with 10 times excessiveness allows no transfer of Fe3+ assuring the water will not turn yellow.

3). Polymeric ferric sulfate can be stored for a long time after being dissolved and with no deposition, no changing of the quality and without jamming the tube either.

4). Polymeric ferric sulfate can discolor, remove smell, dehydrate, remove oil, sterilize, remove heavy metal, radioelement and carcinogen easily, withthe strong ability of removing COO,BOD.

5). Polymeric ferric sulfate is non-toxic and safe.

6). Polymetric ferric sulfate is applied with the PH value range from 4-11. The best PH value is 6-9. The results are little variety of PH value after purification, and reduction of the hardness in water.

7). Polymetric ferric sulfate has a special function of purifying polluted water that have alga and/or low temperatures, and low water turbidness.

8). Polymetric ferric sulfate does little rotting to the equipment and shapes the membrane, which protects the tube further or worse rotting.

9). Compared to the traditional polymetric ferric sulfate , there is no NO2- left. Both physical and chemical characteristics are excellent and is the appropriate product to use.

4.The date sheet of Polyferric Sulfate

Index Name

GB 14591(II)

Product index

Full ferric content 1%



Basicity 1%



PH(% aqueous solution)



As %<=



Pb %<=




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