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Charbon actif catalytique

Catalytic activated carbon is engineered to go beyond standard adsorption, enabling it to achieve simultaneous contaminant capture and chemical decomposition. It breaks down hydrogen sulfide, NOₓ, and chloramines on the carbon surface without the need for chemical additives, thus becoming the preferred solution for advanced water treatment and gas purification applications.

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What Is Catalytic Activated Carbon?

Catalyst Active Carbon is one of the most advanced types of active carbon engineered to carry out both sorption and catalytic degradation in one substance – a combination of traditional active carbon’s high-surface and porosities with improved surface chemistry, which allows for a direct chemical reaction on the carbon surface, with no additional chemical agents added.

Instead of conventional active carbon, which collects pollutants by means of physical absorption and holds them in their pores, PAC is active in decomposition of the target substance – by breaking the molecules and turning the pollutants into benign by-products on the carbon surface. This catalyst function can be obtained by means of a controlled surface oxidation, a special thermal treatment method, or by introducing catalysts in the course of production to produce a material that has a significantly greater reaction rate to oxidant, chlorine, and sulfur containing gases as compared to traditional carbon classes.

FCC active carbon has a wide range of applications in urban potable water processing, where it can break down chloramines and chlorine while not consuming the carbon structure. In addition, it is used in industrial waste water treatment, the ozone degradation system, the removal of hydrogen sulphide from biogas and process gas flow, and the use of Advanced Oxidation Process (AOP) in which the conventional active carbon does not offer sufficient contamination destroying properties.

This material is provided in the form of Granular Active Carbon (GAC), which enables it to be readily compatible with the current fixed bed filtration container and the Touch Absorbent Systems, with no need to modify the device.

This is Catalytic Activated Carbon’s Modified Key Benefits section, which has been re-formatted as a reference.

Key Advantages of Catalytic Activated Carbon

  • Simultaneous Adsorption and Catalytic Decomposition in a Single Treatment Step: Catalytic activated carbon is capable of capturing and chemically decomposing target contaminants directly on its surface in a single treatment stage. This avoids the need for separate chemical dosing systems, extra reaction vessels, or additional reagent injection, and effectively achieves chloramine decomposition, ozone destruction, and hydrogen sulfide removal in both municipal and industrial treatment processes.
  • Significantly Extended Service Life Compared to Standard Activated Carbon Grades: Due to the fact that it does not take up an adsorber or a degradation of the pore structure, it is possible to maintain the function of the carbon bed significantly beyond that of the traditional active carbon - to reduce the rate of substitution of the bed, to reduce the cost of carbon use, and to reduce the down time of the system in the potable water and process water treatment plant.
  • Dry Catalytic Operation Without External Chemical Reagent Requirements: Catalytic activated carbon can capture target contaminants and conduct chemical decomposition directly on its surface during a single treatment process. It eliminates the requirement for independent chemical dosing systems, extra reaction vessels, and additional reagent injection, while effectively realizing chloramine decomposition, ozone destruction, and hydrogen sulfide removal in both municipal and industrial treatment processes.
  • Consistent Catalytic Performance Across Variable Influent Water Chemistry: Engineered to maintain catalytic activity over a range of pH levels, temperatures, dissolved oxygen concentrations, and competitive ion loads — providing stable chloramine degradation and contamination destruction properties in the volatile inlet quality conditions typically associated with urban and commercial process water systems operating in varying feed water conditions.
  • Direct Drop-In Compatibility with Existing GAC Filter Infrastructure: FCC Active Carbon can be installed directly into an existing filter container, a contact absorber, and a fixed bed system, as well as in a standard grain form and grain size, allowing it to be upgraded from a normal to a catalytic one without investing in a new device, a re-design of a system or a failure in operation.

Les défis du secteur

Chloramine resistance to standard activated carbon adsorption

Chloramines are poor adsorbability by conventional active carbon classes, and need catalytic decomposition to reach the removal efficiency required by modern drinking water quality rules.

Accelerated carbon bed exhaustion from oxidant exposure:

Constant exposure to chlorine, ozone, and other oxidants causes rapid degradation of the standard active carbon structure, reducing the lifetime of the product and increasing the rate of carbon substitution and operation costs.

Stricter drinking water disinfection byproduct regulations

Stricter levels for chloramines, trihalomethanes, and haloacetic acids in the urban water supply need a process technique that can be used to destroy the pollutants consistently, deeply instead of simply absorbing and retaining them.

Présentation du produit

Charbon actif

IND-GC-1240AG

Specific Use Scenarios — Catalytic Activated Carbon

Municipal Drinking Water Chloramine Removal

In many municipal water systems, chloramination has replaced free chlorine disinfection to cut down on trihalomethane formation. Nevertheless, chloramines are hardly adsorbed by standard activated carbon, which brings certain difficulties to water treatment. In contrast, catalytic activated carbon can decompose chloramines directly on its surface through a catalytic reaction, and this process requires no additional chemical reagents. It can steadily reduce chloramine content to below the regulatory limit without accelerating the consumption of activated carbon, thus becoming the optimal GAC grade for municipal drinking water filtration systems that are switching from free chlorine disinfection.

Point-of-Use and Point-of-Entry Water Filtration Systems

In household, business, and institution water filtration applications, FCC Active Carbon offers excellent chloramine and chlorine removal properties within a compact filter box and whole house system format. The extension of the lifetime compared with the standard carbon class reduces the rate of replacement – a reduction in the maintenance load and the overall property cost of the end-user working in the city’s water-supply region, which uses chlorine based disinfectant as the norm.

Industrial Wastewater Treatment and Advanced Oxidation Processes

Hydrogen sulfide is a primary contaminant in biogas and landfill gas streams, and its concentration must be reduced to low levels before the gas can be used in engines, turbines, or grid injection systems. Catalytic activated carbon directly oxidizes hydrogen sulfide into elemental sulfur or sulfate compounds within the carbon bed, which achieves effective H₂S control without the need for chemical reagent injection. This method also maintains stable removal performance under the variable H₂S concentrations and moisture conditions commonly seen in biological gas generation systems.

Biogas and Landfill Gas Hydrogen Sulfide Removal

Les installations agroalimentaires, les stations d’épuration des eaux usées, les usines d’équarrissage, les usines chimiques et les sites de gestion des déchets rejettent tous des émissions nauséabondes contenant du sulfure d’hydrogène, de l’ammoniac, des mercaptans, des amines et divers composés organiques odorants complexes. Ces polluants doivent faire l’objet d’un traitement approprié avant d’être rejetés dans l’atmosphère, non seulement pour respecter les exigences environnementales en matière de qualité de l’air, mais aussi pour limiter au maximum les nuisances pour les zones résidentielles avoisinantes.

Parmi les systèmes de traitement couramment utilisés, on trouve les adsorbeurs à charbon actif à lit fixe, les épurateurs à colonne garnie et les médias filtrants composés de charbon imprégné de produits chimiques. Ces technologies permettent de piéger et d’éliminer efficacement les composants responsables des odeurs présents dans les gaz d’échappement industriels, ce qui permet aux installations de respecter les limites fixées par les autorisations d’émission et d’entretenir de bonnes relations avec la communauté, tout en garantissant un fonctionnement continu et conforme à la réglementation.

Ozone Decomposition in Water and Air Treatment Systems

The remaining ozone in the treatment or treatment air flows shall be degraded prior to the flow of the current into the distribution system, the downstream installation, or the living area. FCC active carbon offers reliable ozone degradation via surface catalysis – conversion of the remaining ozone into oxygen while not producing a second byproduct.

Industrial Process Gas Purification and Odor Control

In the chemical industry, the pharmaceutical industry, the food processing industry, and the wastewater treatment plant, the effluent flow includes a complicated mix of VOCs, sulphur, nitrogen, and odours which need to be adsorbed and oxidized in order to be effectively controlled. FCC Active Carbon offers an enhanced elimination of such mixture of pollutants — a combination of the physical absorption capability and the surface activity to achieve a higher degree of purification compared to the standard carbon class in the Packed Bed Scrubber and the Inline-Type Gas Processing System.

Our Catalytic Activated Carbon Advantages

Catalytic Decomposition Beyond Standard Adsorption

Compared to traditional active carbon which only absorbs pollutants, FCC active carbon chemically destroys chloramines, ozone, and sulfides on the carbon surface — providing deeper purification performance with no additional chemical dosage or supplementary processing phases.

Extended Service Life That Reduces Replacement Costs

Catalyst degradation can turn oxidizing agents into benign by-products with no loss of absorption capability or degradation of pore structure – enabling a carbon bed to remain at its peak for much longer than a standard class, decreasing the substitution rate and reducing overall processing operation costs.

Drop-In Compatibility with Existing GAC Filter Systems

Provided in a standardized particle format compatible with the usual GAC requirements, FCC Active Carbon is installed straight into an existing filter container and a touch absorber – providing significant improvements in performance with no need to invest in the new facility or to disrupt operations in the course of the conversion.

Voir toutes les catégories de charbon actif

Catalytic active carbon solves a key class of cleaning problems – but the whole range of industrial carbon uses goes well beyond that. The full range of active carbon products includes both standard and special classes for cleaning, water-treating, solvent recycling, mercury removing, odour control and more. Explore all of the active carbon products in order to match the levels, shapes, and sizes of each of them, and identify appropriate solutions for each of them.
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Découvrez toutes nos solutions industrielles

Catalyst cleaning is one part of a wider industry process. Efficient technology results are determined by the appropriate mix of materials — from catalysts and standardized active carbon to aluminum oxide and TiO2 — in all areas of urban water, industrial gas, chemical production, and environment protection. Look at our industrial solutions and find out how they combine to solve the complicated problems of cleaning and emission management in different sectors.
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