Patent ID: 8382881

Claim:
A method of removing mercury from a gas hydrocarbon stream from a hydrocarbon cracker and the stream comprises mercury and further comprises olefins, oxygenated by-products, dienes, and hydrocarbons other than dienes, the method comprising: contacting the stream with a composition comprising: (a) a solid, porous, refractory support material having a surface acidity in the range of 0.1-10.0 μmole of irreversible NH 3 /g of support as measured by ammonia chemisorption, wherein the support material has a surface area of at least about 0.1 m 2 /g and up to about 1.6 m 2 /g and wherein the support material comprises at least about 80% by weight alpha-alumina; and (b) silver in the form of reduced silver.