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Amine-Impregnated Activated Carbon

Amine-Impregnated Active Carbon is a chemical enhancement filter material specially designed to trap acid and polar pollutants that can’t be efficiently removed by conventional active carbon. It provides targeted, highly efficient absorption by binding amine compounds to the carbon’s pore structure – making it a prime option for challenging air-cleaning and gas-handling applications.
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What Is Amine Impregnated Activated Carbon?

Active Carbon with Amine Impregnated Active Carbon is a chemical reinforced active carbon that is generated by loading an amino acid (TEDA), MEA (MEA) or other amine derivatives into an inner hole surface of a high quality active carbon substrate by means of a controlled wet immersion or vapor phase deposition method. The amine compounds are evenly distributed in the micro-holes and mesozoles of the carbon in a well-controlled manner, with careful drying and conditioning of the final product to assure stability of amine retention and consistency in the field.

What essentially differs from normal active carbon by using an amine-impregnated active carbon is that it introduces a chemical absorption mechanism in addition to traditional physical adsorption. While unmodified activated carbon captures contaminants primarily through van der Waals forces and surface adhesion, the amine functional groups grafted on the carbon surface engage in a selective chemical reaction with acid and polar gas molecules – creating a stable chemical bond that entraps the target pollutants at a much more efficient rate than mere physical adsorption. This dual action capture system provides an excellent capability for the removal of HC (H₂S), HCN (SO₂), HG vapour, and radioiodine-based isotopes (IODP) – performance criteria which put it in a class far outside the range of traditional active carbon classes.

Why Choose Amine Impregnated Activated Carbon?

  • Chemisorption-Enhanced Removal Efficiency — Active amine functional groups are highly selective and irreversible in their chemical binding of the target acid and the polar gas to obtain a removal efficiency that can not be obtained by mere physical absorption – even at very low levels of contamination.
  • Qualified for Radioactive Iodine Capture — TEDA-impregnated variations comply with strict eligibility criteria for the elimination of radioactive iodine (¹³¹I) and MI (MI) requirements in nuclear power stations, research reactors, and fuel treatment installations throughout the world.
  • Effective Against Multiple High-Hazard Gases — Combined use of a single-amine-impregnated active carbon bed to deal with H₂S, HCN, SO₂, and Hg vapour – combining multiple pollutants into a compact, manageable filter phase.
  • Reliable Performance in Humid Conditions: — Well formulated impregnating chemicals keep the chemical active over a wide variety of RH levels to guarantee reliable protection in real world industry and installations with inevitable damp.
  • Critical Applications Demand Certified Performance —Applied to the ventilating of a nuclear installation, the military and civilian defence respirator, the industry's emergency reaction system, and the highly sophisticated air-cleaning device with severe security and regulation implications.

業界が直面する課題

Amine Loading Uniformity

It is a technical challenge to achieve a uniform distribution of amine across a carbon’s pore network, since non-uniform impregnating results in a direct reduction in the absorption efficiency and reliability of the product.

Thermal Stability

Amine compounds can be volatile or degraded at high temperatures, restricting the active range of the carbon and potentially releasing the impregnants into the treatment flow.

Moisture Sensitivity

Too much moisture will compete with the target gas for the active absorption position, which will decrease the total volume of the material and reduce the lifetime of the substance.

Limited Regenerability

Compared with conventional active carbon, it is hard to thermal regeneration of the chemical based amine carbon without destroying the impregnated amine layer, so it is important to manage spent carbon.

Selectivity Trade-offs

Although highly efficient for acid and polar gases, amine-impregnated carbon provides limited absorption of nonpolar organic compounds, which needs to be carefully designed in the presence of a mixed pollutant flow.

製品概要

活性炭

IND-ECL-40AM

Why Use Our Amine impregnated activated carbon

Highly Selective Gas Capture

Amine functional groups are particularly responsive to acid gases like H₂S, HCN, SO₂, and Hg vapour to obtain a high removal ratio even at trace concentrations when other sorbents have not worked.

Effective at Ultra-Low Concentrations

Designed to trap dangerous gases in a fraction of a percent, it is a first choice for ventilation, defence filtering, and environmental conditions with strict air quality limits.

Stable Performance Across Conditions

Keeps the ability to absorb moisture over a broad range of working moisture and temperature to guarantee the same level of protection in the environment as well as in the demanding industry.

関連アプリケーション

Amine impregnated activated carbon is designed for use in which it is necessary to reliably remove acid, poisonous, or radioactive gases from the atmosphere and the airflow. The chemical absorption capacity of the substance enables it to be essential in an environment that does not have a normal carbon filter, and there are significant safety or regulation implications for the non-trapping of the target pollutants. It covers a wide range of stringent filtering requirements from industrial emissions to nuclear ventilation and PPE. Below are some of the applications that are primarily used.
SO₂ Removal Activated Carbon Link Image

SO₂ Removal

業界別ソリューション

Amine-Impregnated active carbon is specially engineered to solve acid gas removal challenges that standard activated carbons can’t effectively address. The chemical enhancement of its surface makes it the preferred solution for industries managing hydrogen sulphide, acidic gases, and mercury emissions under challenging operating conditions. Every department has its own specific needs, ranging from the treatment of natural gas and industrial air cleaning to the environment and safety of the key applications. Check out the appropriate amine-impregnated carbon configuration for your particular process.
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