FIELD: oil and gas industry.
SUBSTANCE: invention refers to the method for removing mercury from flow of gaseous hydrocarbon from hydrocarbon cracking plant where the flow includes mercury and olefines, oxidised by-products, dienes and hydrocarbons different from dienes; the above method involves flow contact with the composition containing (a) solid porous refractory material of substrate, which has surface acidity in the range of 0.1 to 10.0 mcmol of non-reversible NH3/g of substrate, as is measured with chemical adsorption of ammonia, where substrate material has the surface area of approximately 0.1 m2/g to approximately 1.6 m2/g, and substrate material contains at least 80% of alpha-oxide of aluminium; and (b) silver in the form of reduced silver.
EFFECT: effective removal of mercury from flow of gaseous hydrocarbons.
9 cl, 19 ex, 9 tbl, 3 dwg
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