Powdered activated carbon has larger specific surface area and higher adsorption efficiency.

Powdered Activated Carbon (PAC) is a highly efficient adsorption material with a particle diameter of usually less than 1 mm. Compared with granular activated carbon, powdered activated carbon has a larger specific surface area and higher adsorption efficiency.

 

High quality PP PE Film pelletizing machine is a highly efficient adsorption material with a particle diameter of usually less than 1 mm. Compared with granular activated carbon, powdered activated carbon has a larger specific surface area and higher adsorption efficiency. Its main raw materials include coal, wood, coconut shell, etc., which are made by physical or chemical activation treatment. Due to its unique physical and chemical properties, powdered activated carbon is widely used in many fields.

Main characteristics of powdered activated carbon High specific surface area:

The specific surface area of ​​powdered activated carbon is usually between 500-1500 m²/g, providing a large number of adsorption sites.

High adsorption rate: Due to the small particles, the adsorbate can quickly diffuse into the micropores inside the activated carbon, achieving rapid adsorption.

Flexible application: Powdered activated carbon can be used in a suspended liquid, or it can be sprayed or mixed in other materials.

Easy to regenerate and handle: Powdered activated carbon can be regenerated by heating, chemical washing, etc. to improve resource utilization.

Main uses of powdered activated carbon

1. Water treatment Drinking water treatment: Removal of organic pollutants: Powdered activated carbon can effectively remove organic pollutants in water, such as pesticides, industrial chemicals and natural organic matter, and improve the safety of drinking water. Removal of chlorine and odor: Powdered activated carbon can adsorb free chlorine and chlorination byproducts in water, remove odors and bad smells, and improve the taste of water. Removal of algae toxins: In surface water sources such as reservoirs and lakes, powdered activated carbon is often used to remove toxins produced by algae to ensure the safety of drinking water. Wastewater treatment: Industrial wastewater treatment: Powdered activated carbon is widely used in industrial wastewater treatment and can remove organic pollutants, heavy metal ions and other harmful substances in wastewater. Municipal sewage treatment: In municipal sewage treatment plants, powdered activated carbon is often used in the deep treatment stage to remove difficult-to-degrade organic matter in sewage and improve the quality of effluent.

2. Air purification Indoor air purification: Removal of harmful gases:

Powdered activated carbon can effectively adsorb harmful gases such as volatile organic compounds (VOCs), formaldehyde, benzene, etc. in indoor air to improve indoor air quality. Air filtration device: Powdered activated carbon is often used as the filter material of air purifiers, which can efficiently absorb harmful substances in the air. Industrial waste gas treatment:   Chemical plant waste gas treatment: Powdered activated carbon is widely used in chemical plant waste gas treatment, which can absorb and remove pollutants such as VOC, sulfide and nitrogen oxide in waste gas. Spraying workshop waste gas treatment: In the spraying and coating industry, powdered activated carbon is used to treat organic solvents and paint mist in waste gas to reduce air pollution.

3. Food and beverage processing Food purification:  

Decolorization and deodorization: Powdered activated carbon is used for decolorization and deodorization in food processing, such as in the production of syrup, juice and beverages, which can remove pigments and odors and improve product quality. Removal of impurities: In the production of oils and food additives, powdered activated carbon is used to remove impurities and trace harmful substances to ensure the purity and safety of the product.

Beverage purification:  

Wine and beer purification: Powdered activated carbon is often used in the production of wine and beer, which can remove bad odors and impurities and improve the taste and stability of beverages. Deep treatment of drinking water: In the process of drinking water processing, powdered activated carbon is used to remove trace organic pollutants and residual chlorine to ensure the high quality and safety of drinking water.

4. Medicines and health products Drug purification:  

Decolorization and impurity removal: Powdered activated carbon is used for decolorization and impurity removal in drug production, which can remove impurities and pigments produced during the synthesis process and improve the purity and quality of drugs.

Activated carbon drugs: Powdered activated carbon itself is a drug and is widely used to treat indigestion, food poisoning and drug overdose. Its strong adsorption capacity can quickly adsorb and remove toxins and harmful substances in the body.

5. Chemical production Catalyst carrier:   Catalytic reaction: Powdered activated carbon as a catalyst carrier can provide a large number of active sites, improve the activity and reaction rate of the catalyst. It is commonly used in chemical synthesis and petrochemical fields. Organic synthesis: In organic synthesis reactions, powdered activated carbon as a catalyst carrier can improve reaction efficiency, reduce the generation of by-products, and optimize the production process.

6. Environmental remediation Soil remediation:  

Organic pollutant removal: Powdered activated carbon is used for the remediation of contaminated soil. It can adsorb and remove organic pollutants in the soil, such as pesticides, petroleum hydrocarbons and industrial chemicals, and improve soil quality.

Heavy metal removal: Powdered activated carbon is also used to remove heavy metal pollutants in the soil, such as lead, cadmium and mercury, reduce the heavy metal content of the soil, and restore the ecological function of the soil.

Water body remediation:   Lake and river remediation: Powdered activated carbon is used for pollution remediation of lakes and rivers. It can adsorb and remove organic pollutants and heavy metals in the water body, improve water quality and restore ecological balance.

Groundwater remediation: In groundwater pollution remediation, powdered activated carbon is used to remove organic solvents, pesticides and other harmful substances to ensure the safety and availability of groundwater. Regeneration and treatment of powdered activated carbon Powdered activated carbon will gradually become saturated during use and needs to be regenerated and treated.

Common regeneration methods include:  

Development of high-performance powdered activated carbon materials: Through nanotechnology and new materials science, powdered activated carbon materials with higher specific surface area and better pore structure are developed to improve their adsorption capacity and service life.

Surface modification technology: Research efficient surface modification methods, such as introducing functional groups or metal oxides, to improve the selective adsorption capacity of powdered activated carbon for specific pollutants.

Regeneration technology optimization: Optimize existing regeneration technology, reduce energy consumption and cost in the regeneration process, improve regeneration efficiency, and study environmentally friendly regeneration methods to reduce secondary pollution.

Comprehensive treatment technology: Combine powdered activated carbon technology with other purification technologies (such as photocatalysis and plasma technology) to develop comprehensive treatment solutions to cope with complex polluted environments. Summary Due to its excellent adsorption performance and flexible application methods, powdered activated carbon plays an important role in water treatment, air purification, food processing, pharmaceutical production, chemical production and environmental remediation. Through continuous technological innovation and optimization, powdered activated carbon will play an increasingly important role in environmental protection and resource utilization, and make greater contributions to human health and sustainable development.