| abstract |
A trapping mass for trapping heavy metals, in particular mercury, contained in a gas or liquid feedstock, said mass comprising: - an active phase in the form of a crystalline phase, said active phase comprising at least one metal sulfide made from a metal M chosen from the group consisting of copper (Cu), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), and nickel (Ni); - an amorphous support comprising a material made from aluminium. |