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Application Of Activated Carbon In Wastewater Treatment

janeiro 16, 2025

With the rapid development of industrialization and urbanization, wastewater treatment has become an important issue for environmental protection. Water treatment plants around the world are faced with the challenge of removing various pollutants to ensure safe water quality and compliance with discharge standards.

Activated carbon is an efficient and economical solution for wastewater treatment. Its excellent adsorption properties and versatility make it an important part of the wastewater treatment process.

What Is Wastewater And Its Hazards

Wastewater, as an unavoidable by-product of life, is diverse and far-reaching, requiring us to understand and adopt diverse treatment methods to purify and protect the environment and achieve sustainable resource utilization.

Types of Wastewater

Industrial wastewater chemical plants and petrochemical companies produce wastewater with complex composition, containing organic matter, heavy metals (such as lead, cadmium, mercury, etc.), inorganic salts (such as chloride, sulfate, etc.) and acidic and alkaline substances, and the toxicity of these pollutants is strong, difficult to degrade, and difficult to treat.

Domestic wastewater: Domestic wastewater comes from people's daily activities, such as kitchens, bathrooms and laundries, and its main components include organic matter, suspended solids, nutrients, pathogenic micro-organisms, oils and fats, detergents and dissolved inorganic substances, which usually need to be collected and centralized treatment.
Wastewater contaminated by groundwater: Mainly from clarified wastewater, filtered wastewater, oxidized wastewater, disinfected wastewater and neutralized wastewater at different stages of water treatment, and the main pollutants include colloids, microorganisms, coloration, odorous substances, residual chlorine and disinfection by-products.

Hazardous
Wastewater contains a large number of organic pollutants, heavy metals, colorants, drug residues and toxic and hazardous substances, which can contaminate water resources, disrupt the ecological balance, jeopardize human health, affect agricultural and fishery production, and cause public health problems. Untreated wastewater discharge can also lead to soil degradation, reduction of biodiversity and long-term environmental damage.

Activated carbon adsorption is a highly efficient and common water treatment technology used to remove organics, pigments, heavy metals and odorants from water. Activated carbon is recovered and pollutants are treated through a counter-current elution and regeneration process. It not only can effectively improve water quality, but also can remove pollutants while reducing secondary pollution to the environment, which is a widely used method in water treatment engineering.

Advantages Of Activated Carbon For Wastewater Treatment

High specific surface area and pore structure
Low cost
Renewable
Easy to operate

Types Of Activated Carbon For Wastewater Treatment

Granular and Powdered Activated Carbon removes organic chemicals from wastewater and reduces toxicity to ensure safe discharge to surface water. It is very effective in removing bad odors, treating soluble organic chemicals, endocrine disruptors and other emerging pollutants of concern.

Granular Activated Carbon (GAC)

Granular Activated Carbon (GAC) has excellent adsorption properties and is one of the essential materials in wastewater treatment.

Commonly used activated carbons include 8-30 mesh and 12-40 mesh coal-based granular activated carbons, which are effective in removing a wide range of pollutants, thereby improving water quality and ensuring safe discharge.

Features and advantages of our granular activated carbon

High adsorption efficiency
Large capacity
Low floating rate
High mechanical strength and wear resistance
Long service life

Powdered Activated Carbon (PAC)

Powdered PAC has a large specific surface area, which allows it to come into contact with pollutants in the wastewater more fully, thus improving the adsorption efficiency. Commonly used activated carbon is 200-325 mesh

Characteristics And Advantages Of Powdered Activated Carbon

High activity
Good settling performance
Adsorption of various organic substances
Highly abrasive

Conclusão

Activated carbon is widely recognized and applied in various wastewater treatment solutions for its excellent adsorption capacity, which effectively removes organics, heavy metals, pigments and odors from wastewater, thus increasing treatment efficiency, improving water quality and contributing to the protection of water resources and environmental health.

Huamei Activated Carbon is a manufacturer of activated carbon with more than 20 years of experience and is now a leading supplier of a wide range of high quality activated carbon in the market.

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