Society of Glass Technology · [Sheffield] · leaf 561
tories, and Furnaces. 234. Purifying Coal Gas. H. C. Marris and Walker andSons, Bolton (Brit. Pat., No. 154961. August 1st, 1919).—In the removal of sulphur compounds from coal gas, a purifyingmass is obtained by mixing spent vegetable matter from tanneriesand a soluble compound of iron and spent… … Fig. 115. whole in a porous condition and facilitating the percolation of thegas. Lime from other sources may be used together with orinstead of the spent lime, or sawdust may be emjaloyed to replacethe spent vegetable matter. Lime is always added in excess. H. G. C. 235. Removal of Sulphur from…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
