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Adsorption Of Harmful Gases By Fruit Shell Activated Carbon

Aug. 03, 2018

Activated carbon for Air Purification has a strong adsorption capacity for high boiling organic compounds. Such as sarin (boiling point 1581 ° C with highly toxic phosphorus-containing compounds, neurotoxic agents), even at very low concentrations, Fruit Shell Activated Carbon has a strong adsorption capacity.

The experimental test selected the shell carbon powder thickness of 3.0cm, when the specific speed is 1.0L / (min.cm2) (substantially equivalent to the maximum inhalation rate of the 60-90cm2 filter tank when used) When the defense against 0.05 mg/L of sarin vapor is achieved, the instantaneous penetration concentration reaches 1*10-6 mg/, which is safe enough for the personnel; and if the granular activated carbon is used, under the same conditions, even if the thickness of the carbon layer is only 1.5cm, the instantaneous transmission concentration is only 6*-7mg/L (below the allowable concentration), which is equal to 3.0cm large granular carbon (under the same conditions), therefore, theoretically, when the thin layer of carbon When absorbing the phosphorus-containing poison steam, it is preferred to use a smaller particle of activated carbon.

The adsorption of low-boiling organic compounds (such as ethyl chloride, boiling point 12.2 ° C) by shell activated carbon is far worse. Very low boiling point such as trifluoronitrosomethane (the former Soviet union   called "Φ1" penetrating agent) has no adsorption capacity and requires special treatment.

Fruit Shell Activated Carbon

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