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Activated carbon is a kind of micro-quality carbon material made of carbon-containing materials. It is black in appearance, odorless, non-toxic, has a developed internal pore structure, a large specific surface area, and strong adsorption capacity. It is a commonly used adsorbent. It makes mercury vapor react with sulfur more easily and more effectively to produce mercury sulfide, which is deposited in the pores of activated carbon to achieve the purpose of removing mercury. It is suitable for removing mercury vapor in airflow in places where conventional methods are difficult to remove mercury. Ensure production safety and environmental protection standards.

Principle of activated carbon adsorption of mercury:

Activated carbon is a highly adsorbent with a large number of pores and surface area and good adsorption performance. For harmful metal elements such as mercury, they are mainly adsorbed by activated carbon through physical adsorption and chemical adsorption.

Physical adsorption refers to the monolayer of mercury atoms formed on the pores and surfaces of activated carbon. This adsorption is reversible and weakens with increasing temperature. Chemical adsorption refers to the adsorption of mercury ions by the active functional groups of activated carbon and the combination with the active functional groups through chemical bonds. This adsorption is irreversible and has nothing to do with temperature. The combined effect of the two adsorption methods makes activated carbon highly efficient in adsorbing mercury.