| 摘要 |
Sorbent composition containing core-shell particles for removing heavy metals, in particular, mercury from gases, wherein the core comprises a calcium-magnesium compound fitting the formula aCaCO3.bMgCO3.xCaO.yMg0.zCa(OH)2.tMg(OH)2.ul, wherein I represents impurities, a, b, x, y, z and t each being mass fractions > 0 and≤ 100%, u being mass fraction > 0 and < 20 % by weight, and is coated with a shell presenting a thickness comprised in the range of 50 nm to 20 μηι, and comprising at least a metal salt and a sulfur-based compound and its manufacturing process. |
