Method of removing a metal from a stream of hot gas

Details Method of removing a metal from a stream of hot gas Method of removing a metal from a stream of hot gas

1997-04-18

1999-04-27

Spitzer, Robert

Gas separation: processes

Solid sorption

Inorganic gas or liquid particle sorbed

423 89, 423108, 423210, B01D 5304

Patent

active

058976884

ABSTRACT:
The present invention relates to a method of removing a metal from a stream of hot gas, wherein a particulate material comprising calcium and aluminum-silicate is contacted in the hot gas to absorb metal present in the hot gas. According to the invention, a meta-kaolin-containing substance is introduced in the hot gas, said meta-kaolin-containing substance being formed by thermally converting a material chosen from the group of I) waste paper, and ii) residue from the paper industry. The invention may be used to remove metals before, during or after the combustion or gasification of fossil fuels, biomass and organic waste.

REFERENCES:
patent: 4065544 (1977-12-01), Hamling et al.

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