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Activated Carbon for Flue Gas

Activated Carbon for Flue Gas

With rapid industrialization and the expansion of manufacturing facilities worldwide, flue gas emissions from industrial processes pose significant environmental and health challenges. Industrial flue gas contains a complex mixture of harmful substances including dioxins, furans, heavy metals (particularly mercury and lead), volatile organic compounds (VOCs), and acid gases such as HCl, SO₂, and HF. These pollutants threaten environmental quality and human health, making effective treatment essential for regulatory compliance and corporate responsibility.

Activated carbon, as a highly efficient adsorbent, has become the cornerstone technology for industrial flue gas purification systems. Its unique porous structure and exceptional adsorption capacity make it one of the most effective solutions for removing toxic and harmful components from industrial emissions across power generation, waste incineration, cement production, metal smelting, and chemical manufacturing sectors.

What is Flue Gas?

Flue gas is the combustion exhaust gas produced by industrial processes, power generation, and waste treatment facilities. It typically exits through a stack, chimney, or flue at temperatures ranging from 100°C to over 400°C, depending on the process. While composition varies by industry and fuel source, flue gas generally contains a complex mixture of gases, particulates, and trace contaminants.

Activated Carbon Application for Flue Gas Treatment

Activated carbon is the preferred technology when your flue gas treatment objectives include:

  1. Contrôle du mercure
    Especially for coal-fired power plants, waste incinerators, and cement kilns where mercury emissions must be reduced to <3 μg/Nm³. Activated carbon injection or fixed beds with halogen impregnation achieve 90-95% removal.
  2. Dioxin/Furan Removal
    Critical for municipal waste incinerators, medical waste combustors, and secondary metal smelting. Activated carbon systems routinely achieve outlet concentrations <0.1 ng TEQ/Nm³.
  3. VOC Control from Industrial Processes
    For chemical manufacturing, coating lines, printing operations, and pharmaceutical production where organic vapors must be captured before atmospheric release.
  4. Multi-Pollutant Control
    When flue gas contains a mixture of mercury, organics, and heavy metal vapors—activated carbon addresses all simultaneously, reducing capital and operating costs compared to multiple single-purpose systems.
  5. Polishing Step After Primary Treatment
    As a final cleanup stage after wet scrubbers, bag houses, or ESPs to ensure trace contaminants meet stringent outlet specifications.

Ready to Improve Your Air Quality?

Contact us to learn more about our premium honeycomb activated carbon products or to request a custom quote for your specific application.

Primary Recommendation: Powdered Activated Carbon (PAC)

It is suitable for most industrial flue gas applications including power plants, waste incinerators, cement kilns, and chemical plants.

Specifications:

  • Taille des particules : 200 mesh (74 μm) or finer
  • Valeur de l'iode : 600-1,000 mg/g
  • Teneur en eau : ≤5% (maximum ≤10%) – Critical for pneumatic injection
  • Contenu en cendres : 8-20%
  • Surface Area: ≥800 m²/g
  • Raw Material: Coal-based (most common and cost-effective)

Final Thought

At Zhulin Carbon, we’ve dedicated over two decades to developing and supplying activated carbon solutions specifically engineered for flue gas treatment challenges. From coal-fired power plants battling mercury emissions to waste incinerators controlling dioxins, from chemical plants managing VOCs to cement kilns reducing multiple pollutants, contact our technical team today for a free consultation. 

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