VOCs Adsorption Solutions | Industrial Emissions, Automotive, Indoor Air Purification | Columnar & Honeycomb Activated Carbon

VOCs

Industrial waste gas treatment, indoor air purification, environmental protection equipment

PRICCIPLE

Through the adsorption tower filled with activated carbon, the waste gas containing VOCs is allowed to flow through the activated carbon bed. The VOCs molecules are captured by the micropores, and the purified gas meets the emission standards.

The core of activated carbon adsorption of VOCs is “porous structure provides adsorption sites, and van der Waals force achieves physical capture”. Chemical adsorption only enhances the adsorption effect under specific modifications or conditions. This principle determines that it is suitable for treating low-concentration, high-volume VOCs exhaust gas, and by controlling temperature, humidity and other conditions, it can achieve adsorption-desorption cycle (regeneration), becoming an efficient technology for VOCs treatment.

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FEATURES & ADVANTAGES

High efficiency, simplicity, and low cost, but limited by polarity, capacity, and environmental conditions, it needs to be optimized or used in combination with other technologies. In practical applications, it is necessary to select activated carbon based on factors such as VOCs type, concentration, and emission conditions, combined with the characteristics of activated carbon (such as coconut shell carbon is suitable for low-concentration VOCs, coal-based carbon is suitable for high-concentration), and to make up for limitations through modification, temperature and humidity control, and optimization of regeneration processes to achieve the best treatment effect.

High adsorption capacity and wide application range: The adsorption efficiency of most low-concentration VOCs can reach more than 90%.

Simple operation and controllable cost: It can be reused through thermal desorption (150-300℃), steam regeneration and other methods, further reducing long-term operating costs.

Strong compatibility and easy to combine with other technologies: It can be used as a pretreatment unit and combined with catalytic combustion, photocatalysis, biological treatment and other technologies

High safety and no secondary pollution risk (when used reasonably): The physical adsorption process does not produce new pollutants, and the adsorption saturated activated carbon can be regenerated to recover VOCs (such as solvent recovery industry), or safely disposed after stabilization treatment (to avoid VOCs leakage)

XingSen Activated Carbons For VOCs Removal

Industrial emissions

🔹Solvent volatilization or raw material leakage in the process of petrochemical (oil refining, synthetic rubber/plastics), coating/ink/adhesive production, pharmaceuticals, printing, metal coating, etc.

🔹Industrial production (such as chemical, printing, coating, pharmaceutical, rubber and other industries) will emit a large amount of low-concentration, high-volume VOCs (such as toluene, xylene, ethyl acetate, styrene, etc.)

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Transportation

🔹Exhaust gas from cars, ships, and airplanes (including unburned hydrocarbons), as well as gasoline/diesel volatilization.
🔹Activated carbon is used in materials (such as plastics, rubber, leather, adhesives, coatings, etc.) in vehicles such as cars, airplanes, and ships. It reduces the concentration of VOCs in the car/cabin through physical adsorption characteristics, improves air quality, protects personnel health and environmental safety, and purifies the air in airplanes, ships, and cars.
🔹Activated carbon absorbs the volatile gasoline vapor in the fuel tank to prevent it from being directly discharged into the atmosphere and causing pollution. The carbon canister will desorb the adsorbed gasoline vapor and send it into the combustion chamber for combustion, avoiding the spread of odor or the corrosion of equipment by harmful substances; preventing it from causing damage to precision parts. It can be used in exhaust after-treatment systems to assist in the adsorption of these pollutants and reduce emission pollution

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For life

🔹Interior decoration (paints, boards release formaldehyde, benzene series), household chemicals (cleaners, cosmetics), cooking fumes, tobacco burning, etc.
🔹Activated carbon can be made into carbon bags, carbon pastes and other forms to absorb VOCs during interior decoration. VOCs mainly come from materials such as paints, adhesives, artificial boards, wallpapers, furniture, carpets, etc. Common pollutants include formaldehyde, benzene, toluene, xylene, ethyl acetate, etc. These substances will continue to volatilize after decoration
🔹Core adsorption material of fume purification equipment. In household range hoods or commercial kitchen fume purifiers, activated carbon filters are often integrated as secondary purification units (the first stage is mechanical filtration or electrostatic separation to remove oil mist particles). When the fume passes through, the activated carbon can absorb the unseparated gaseous VOCs and a small amount of residual oil mist, reduce the concentration of pollutants discharged indoors or outdoors, and reduce the harm of fume to kitchen air and human body. It can also decompose some easily oxidized VOCs (such as aldehydes) while adsorbing, improving purification efficiency.

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For agriculture

🔹pesticide spraying (organophosphorus, pyrethroids), straw burning, etc.
🔹Burning straw will release a large amount of pollutants, including VOCs, including methane, olefins, aldehydes, ketones and polycyclic aromatic hydrocarbons (such as benzopyrene). These substances not only pollute the atmosphere, but also may harm human health and the ecological environment through breathing or sedimentation. Activated carbon is mainly used for terminal adsorption purification. Activated carbon can be used to cover or adsorb scattered VOCs to reduce their volatilization to the surrounding air. Laying activated carbon composite materials in straw storage sites or sites after burning can inhibit the continuous release of residual VOCs and reduce pollution to the surrounding soil and air.

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Applications in nature

🔹Terpenes released by trees and flowers (such as α-pinene, one of the sources of the “fragrance” of the forest). Methane and methanol produced by soil microorganisms decomposing organic matter.
🔹There are natural or artificial VOCs in the soil (such as pesticide residues, petroleum hydrocarbons, volatile components in plant root secretions, etc.). Some high-concentration VOCs are toxic to microorganisms and inhibit their metabolic activities. Activated carbon adsorbs VOCs in the soil, creates a suitable environment for microorganisms, reduces the toxicity of VOCs to microorganisms, and maintains the dynamic balance of VOCs. It adsorbs VOCs released by microorganisms, regulates their concentration gradient, and changes the diffusion range of VOCs. It improves soil aeration and water retention, regulates soil pH, and adsorbs synergistic pollutants such as heavy metals. It strengthens microbial degradation of VOCs

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Why Choose XingSen Carbon

Xingsen Carbon Company was founded in the 1980s, has a history of 30 years, headquartered in Henan, China.In Henan, Ningxia, Jiangxi, Hebei, there are production bases. At present, there are 10 factories and products are sold to 100+ countries in the world.

Manufacturer Direct Sales &Competitive Prices

Xingsen are an activated carbon manufacturer;45000+ton annual ;can offer the most competitive prices in the activated carbon market.

Outstanding Quality Control System

Strict raw material screening system; Conduct sampling tests 3+ times /step during the production process; provide third-party test report before delivery .

Fast Delivery

The daily output : 200 tons. The warehouse usually has a stock of 1,000+ tons, if need ≤ 100tons ,can deliver within 3-5 days . Customized products are excluded.