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Adsorption of Organic Contaminants by Activated Carbon

Jun. 25, 2018

Activated carbon for water treatment is very useful. Due to its well-developed pore structure and large specific surface area, activated carbon is widely used in drinking water and wastewater treatment processes as an adsorbent. However, the adsorption of organics in water by activated carbon lacks selectivity, is easy to saturate, and requires continuous regeneration. The adsorption effect of low concentration and lipophilicity that people are most concerned about is not satisfactory.

Activated Carbon for Water Treatment

The pore structure based on activated carbon has a certain influence on the adsorption performance when adsorbing VOCs. The author selected an organic pollutant—Azinol—as an adsorption medium created by voc, and developed the activated carbon adsorption and volatilization for the waste. Study on the characteristics of organic pollutants.

Adsorption Characteristics of Toluene, a Typical Component of Volatile Organic Pollutants on Waste Activated Carbon. The results showed that the type of adsorption of toluene isotherm on waste-based activated carbon was a preferential adsorption isotherm, indicating good adsorption capacity; meanwhile, the logarithm of breakthrough time when toluene was adsorbed and the logarithm of toluene inlet concentration were good. The linear correlation can be used to estimate the penetration time at low concentration from the penetration time when high concentration toluene is adsorbed. The mesopores of waste-based activated carbon can also have certain adsorption performance when toluene is dynamically adsorbed.

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