Taiwan Carbon Technology

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Activated Carbon Fibres and Fabrics for NBC Clothing and Filters

Address
No. 2, Gungye 22th Rd.,
Nantuen Chiu,
408,
Taichung,
Other,
Taiwan
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Activated carbons were traditionally in the form of powder or granule. It was not until the last few decades when the third form, Activated Carbon Fibre / Fabric (ACF), was successively developed.

ACF has been widely used in the industries of chemistry, pharmacy and environmental protection for adsorbing toxic molecules. Its performance is particularly effective in shielding the attack of toxic chemical agents, making it ideal for Nuclear, Biological and Chemical (NBC) protective clothing and filters.

IMPROVED NBC PROTECTION OVER POWDER AND GRANULE COATING

Thanks to the characteristic of reduced diffusion resistance during the process of adsorption and desorption, ACF has much greater capacity and higher speed in performing adsorption and desorption than powders and granules. Another advantage of ACF is its easy-forming property that can be fabricated into cloth, felt and paper to meet different demands in application. This new and advanced material is the answer to demands for improved military and industrial NBC protection.

The ACF made by Taiwan Carbon Technology is a high performance activated carbon existing in the form of woven fibres, not the impregnated into cloth and / or coated with granular activated carbon. It is made of PAN (Polyacrylonitrile) fibre, heat-treated in the process of carbonization and activation, resulting in a much more powerful capacity and efficiency in adsorption than any of the existing powdered and granular activated carbons.

ACF can easily be fabricated into cloth, felt and paper for NBC protective clothing.
ACF effectively removes aliphatic, hydrocarbons, halogenated, aromatic, aldehydes, ketoses, acids, alcohols, phosphorus compounds, ethers, esters, sulphur and nitrogen compounds.
ACF is highly effective in shielding from toxic chemical agents, making it ideal for Nuclear, Biological and Chemical (NBC) protective clothing and filters.
ACF is a lighter, more efficient, more convenient and less bulky material when used for NBC filter systems.
Through the process of impregnation, ACF can be equipped with added catalytic, chemisorbic and bactericidal properties.

ACTIVATED CARBON FIBRE (ACF) FABRIC FOR NBC SUITS

ACF, in fabric, outperforms Granular Activated Carbon (GAC) and Powdered Activated Carbon (PAC) in the respect of formation. With the help of corrugation and sewing technology, it can be made into whatever forms to meet any unique requirement in applications.

ACF effectively removes aliphatic, hydrocarbons, halogenated, aromatic, aldehydes, ketoses, acids, alcohols, phosphorus compounds, ethers, esters, sulphur and nitrogen compounds. ACF also removes hydrogen sulphide, sulphur dioxide, chloride and formaldehyde.

LIGHTER, MORE EFFICIENT, NBC FILTER MATERIAL

Being in the form of fabric, the ACF still maintains 100% of activated carbon and, in addition to the advantages of even distribution of micropores and high value of surface areas, it has much greater dynamic adsorption capacity and adsorption rate as well as smaller critical bed depth than that of GAC. ACF is a lighter, more efficient, more convenient and less bulky material when used for NBC filter systems. Through the process of impregnation, ACF can also be equipped with added catalytic, chemisorbic and bactericidal properties.

ACF has long been proved as having outstanding performance in adsorbing odours, solvents, bacteria, virus and all of the contaminants that exist in air, gas, water and other liquids.

ADAVANTAGES OF ACTIVATED CARBON FIBRE (ACF) OVER GRANULAR ACTIVATED CARBON (GAC)

The advantages of ACF include huge adsorption volume, heat-resistance, acid-proof and base-proof. ACF’s capacity for adsorption of organic vapours, such as gasoline, aldehydes, alcohols and phenol, is seven to ten times that of GAC. It also has significant capability in adsorbing inorganic gas (e.g. NO, NO2, SO2, H2S, HF, HCl etc.) as well as substances in water solution (e.g. dyes, COD, BOD, oils, metal ions, precious metal ions). It also exhibits outstanding ability in the adsorption of bacteria.

A bed of 3mm to 4mm thickness of ACF can have similar adsorption performance as a bed of 20mm to100mm thickness of GAC. ACF does not only perform remarkably for high concentration substances but also for low concentration. For instance, ACF adsorbs toluene when the gas concentration is diminished to 100ppm, whereas GAC starts to adsorb only when the concentration is more than 100ppm. Furthermore, ACF performs normal adsorption even if the concentration of phenol in wastewater is lowed down to 5ppm to10ppm, which is not achievable by other adsorption materials.

Projects

  • Tien-Kung III (Sky Bow III) Surface-to-Air Missile System

    Tien-Kung III (TK III) surface-to-air missile (SAM) system is indigenously developed by Taiwan-based National Chung-Shan Institute of Science and Technology (NCSIST) to increase the air defence capabilities of Taiwan’s armed forces.

Address
Taiwan Carbon Technology Co. Ltd.
No. 2, Gungye 22th Rd.
Nantuen Chiu
408
Taichung
Other
Taiwan

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