Absorbent for carbon dioxide, useful for promoting carbon monoxide shift conversion, comprises a lithium silicate that has been doped and/or thermally/chemically pretreated

摘要

Absorbent for carbon dioxide comprises a lithium silicate that has been doped and/or thermally/chemically pretreated so that it can rapidly absorb and release carbon dioxide. Absorbent for carbon dioxide comprises a lithium silicate that has been doped and/or thermally/chemically pretreated so that it can rapidly absorb and release carbon dioxide. The silicate structure comprises mainly silicon tetroxide (SiO4) tetrahedra and lithium oxide polyhedra of formula LiOn. n : 3, 4, 5, 6.