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[Chemical Knowledge]：Properties and Uses of Polymeric Ferric Sulfate

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Polymeric ferric sulfate (PFS) is an inorganic polymer flocculant, also known as basic ferric sulfate, which is widely used in the field of chemical production raw materials. The following is a detailed description of the nature and use of polymeric ferric sulfate.

1. properties

1. physical properties of
polymeric ferric sulfate is usually light yellow or colorless transparent liquid, with high density and strong acidity. Polyferric sulfate has high stability in non-oxidizing acid and alkaline environments.

2. chemical properties of
polymeric ferric sulfate with strong oxidation, can be used as an oxidant. At the same time, the iron ions in the polymeric ferric sulfate can be hydrolyzed in water to generate ferric hydroxide colloid, which has good flocculation effect.

2. use

1. water treatment agent
of polymeric ferric sulfate as an efficient inorganic polymer flocculant, widely used in the field of water treatment. It can effectively remove suspended solids, colloids, pigments and organic pollutants in the water, reduce the turbidity and chroma of the water, and improve the transparency of the water. At the same time, polymeric ferric sulfate also has a good removal effect on nutrients such as phosphorus and nitrogen in water.

2. Papermaking sizing agent
In the papermaking process, polymeric ferric sulfate can be used as a sizing agent to improve the water resistance and strength of paper. Compared with traditional sizing agents such as rosin size and aluminum sulfate, polyferric sulfate has better sizing effect and lower cost.

3. Printing and dyeing industry auxiliaries
In the printing and dyeing industry, polymeric ferric sulfate can be used as auxiliaries to improve the dye fixation rate and color vividness, while reducing the concentration of dyes in wastewater and reducing environmental pollution.

4. Oil extraction additives
In the process of oil extraction, polymeric ferric sulfate can be used as drilling fluid treatment agent and fracturing fluid additive to improve the stability and sand carrying capacity of drilling fluid and reduce accidents and losses in the drilling process.

In short, as an important raw material for the production of chemical products, polymeric ferric sulfate has broad application prospects and good economic benefits.

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