FIELD: chemistry.
SUBSTANCE: retentive mass is proposed for mercury capture, which contains the active phase deposited on a porous alumina substrate. The active phase contains elemental sulfur. The porous support has a pore volume V0.004>0.1ml/g, where V0.004 corresponds to a total pore volume of less than 0.004 mcm, the substrate having a total pore volume of from 0.3 to 1 cm3/g.
EFFECT: efficient extraction of mercury from industrial gas, synthesis gas, natural gas.
15 cl, 3 dwg, 6 tbl, 8 ex
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