IDEAS: an Integrated Dynamic Environmental Assessment System

PCT No. PCT/EP89/00149 Sec. 371 Date Dec. 18, 1989 Sec. 102(e) Date Dec. 18, 1989 PCT Filed Feb. 17, 1989 PCT Pub. No. WO87/00767 PCT Pub. Date Feb. 12, 1987.Device for the separation of components, preferably heavy metals, sulfur dioxide, contained in gas and for dust removal in gaseous media charged with solids, especially in cold and hot preparation gases and combustion gases by means of a pourable granular pellet material as filter medium, or for the treatement, preferably drying or for the thermochemical treatment of a pourable granular treatment material by means of a gaseous treatment medium, whereby the pourable material moves from the top to the bottom between a feeding means and a discharge means through a shaft of preferably rectangular cross-section, as moving bed, substantially filling the cross-section thereof, while the gaseous medium is conducted in counterflow thereto between a raw gas inlet and a pure gas outlet.