Patent ID: 9561487
Date: 2017-02-07
CPC Classifications: B01D,B01J,C10G,C10L,Y10T

Claim:
1. A capture mass for heavy metals, capable of capturing mercury contained in a gaseous or liquid feed, said mass comprising a porous support comprising gel alumina obtained from aluminum oxy (hydroxide), at least one metal M present at least in part in a sulfide form said metal M being copper, molybdenum, tungsten, iron, nickel or cobalt and in which the porous support comprises a quantity of sodium in the range 1 to 700 ppm by weight of sodium and has a pore diameter distribution such that: 0.4 mL/g<V and V V x being the pore volume of the porous support (mL/g) corresponding to the cumulative volume of its porosity, wherein the pore diameter, taken over the whole of the pores of the support, is more than x (in μm).