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The function of powdered activated carbon in water purification

Views: 326     Author: Site Editor     Publish Time: 2023-06-05      Origin: Site


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The function of powdered activated carbon in water purification

There are many types of powdered activated carbon, which is different from the raw materials, such as wood, coconut shell, fruit shell, coal, coke, bone, petroleum residue, etc. Some charcoal can resolve toxic substances in water, so wood, coconut shell, and coal based charcoal are commonly used in the water treatment industry.

The adsorption and removal of artificially synthesized chemicals by powdered activated carbon mainly depends on the type of compound. When selecting the dosing point, it is necessary to consider the degree of mixing and treatment contact time, and minimize the negative impact of water treatment agents on adsorption. When selecting the process of adding powdered activated carbon for sewage treatment, the main considerations are:

1. Choose dry or wet dosing based on the dosage and site conditions.

2. Determine a reasonable carbon species based on the water pollution status, including pollutants, and calculate the economic dosage. The dosage varies from 5 to 30mg/L. It is of great significance for effectively removing pollutants from water.

3. The addition point should have sufficient stirring conditions to enable powdered activated carbon to quickly mix and have good contact with water treatment.

4. Try to prolong the contact and adsorption time between powdered activated carbon and water, fully utilize the adsorption capacity of powdered activated carbon, and improve the adsorption rate.

5. We should try to choose powdered activated carbon with small particles, so that the adsorption area of equally important activated carbon is relatively large. We should choose wooden activated carbon with well-developed mesopores, and strive to improve the adsorption capacity of activated carbon for organic matter.

6. Try to reduce the interference of chemicals during water treatment, such as chlorine, Potassium permanganate, coagulant, etc.

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