What are the functions and precautions of polyferric sulfate in water treatment?

Polyferric sulfate(polymeric ferric sulfate,PFS) is a common flocculant that plays an important role in wastewater treatment. However, many users only know that it can be used for flocculation and sedimentation. In fact, it has many other functions in water treatment. Let's take a look at them together withTangda, a polyferric sulfate manufacturer.

Functions of polyferric sulfate:

1. Removal of suspended solids: Polymeric ferric sulfate can effectively remove suspended solids in water, including tiny particles, sand, colloidal substances, etc. These substances are the main cause of water turbidity. Polymeric ferric sulfate can aggregate these substances together through adsorption, electro-neutralization, and adsorption bridging, forming larger particles that can be settled by gravity.

2. Disinfection: Polymeric ferric sulfate has a certain oxidizing property and can effectively kill bacteria and viruses in water, ensuring water safety.

3. Water quality improvement: Through the treatment with polyferric sulfate, the color, taste, and odor of water can be significantly improved. At the same time, it can effectively remove heavy metal ions in water, ensuring water quality.

4. Cost savings: Using polyferric sulfate for wastewater treatment can greatly reduce treatment costs, improve treatment efficiency, and also reduce environmental pollution during the treatment process.

Precautions for using polyferric sulfate:

1. Solution concentration: If the solution concentration is too high, it will not only lead to poor coagulation effect but also cause corrosion and other adverse effects on equipment. Therefore, it is necessary to understand the dilution ratio and dosage of the reagent before use.

2. Dosage: The dosage of the coagulant should not be too high, otherwise it will lead to deterioration of water quality and increased treatment costs. The dosage and frequency of adding the reagent should be controlled before use.

3. Avoid mixed use: Different types of flocculants should not be mixed together, as they may produce different effects.

4. Treatment of wastewater with different pH values: Wastewater with different pH values has different properties and usage requirements, and should be treated separately according to the actual situation.

5. Storage and dosing equipment: Polymeric ferric sulfate is acidic in nature, so both the storage and dosing equipment must be made of acid-resistant materials. At the same time, to prevent sedimentation at the bottom of the dosing tank during the use of polyferric sulfate, the product should be used shortly after arrival or the agitator should be kept running during dosing.

In summary, polyferric sulfate plays an important role in wastewater treatment, but some details should be noted during use to ensure its effectiveness and avoid adverse effects on equipment and the environment.