Show TO MAKE IT IM IN IRON WORKS tle following from front the london jiuing journal is worthy or af consideration by our iron manufacturers the vapors which esc ese escape ape from front iron blast furnaces may be re girded simply as the atmosphere highly clurg d with carbon or as a mixture 0 f carbonic ooyd and when steam at a sufficiently high temperature ana air excluded is mingled with ith thea them gases the oxygen of the steam team decomposes decompo ses seB the tho tle tie cyan egen ezen and converts the carbonic oaid into carbonic car bouic acid add w while hile the hy drogan and nitrogen trogen ni combine to form ammO nix nii thus carbonate of ammini i ili iii hill result but as it may prove difficult to 0 o condense this effectually if thi vapor of ammonia were conveyed into a chamber charged with an tu soluble insoluble lumpy material so arran arranged ved that the tile ammonia in ascending would come comet 9 in a contact with the cold solution of F salt sait salt falt alt ait trickling down carbonate carr onate of soda and of aninion ammonia iti izi might b at once obtained if 11 however an air ample supply of sulp sulphate hate bate of iron could be procured it woud be more advisable to fix tho the ammonia by means of sulphuric acid expelled from sulphate of iron because at the same time pure oxy ooyd d of iron would bo be prove p rove valuable in tilo the sub nub subsequent sequent forging of lion hou alkali refuse should ba be comp oed of of calcium and coke dust when this is acted upon by steam with sufi sufficient heat the oxygen e n 0 of f til the tho c ste steam a r i i c converts 0 n v e arts ti the i e c calcium at into lime lim while w ti li e the ti ie sulphur s a 1 1 li u r and a n d hydrogen hy d r 0 g ii pass pis q off as hydrogen when the latter i bi mingled mingle j with the llie vapors from a dense denso purely carbonaceous fire consisting of c ooyd and tho latter combines with the hydrogen and arid forms of am ami monia if these thesa vapors sra mra then part partially laly iAly cooled down nud and a large quantity of cold air admitted the tiie carbonic ooyd becoming carbonic acid combines with the disen gies sulphur thus carbonate car onate of ammonia and sublimed sulphur might bo be obtained if on the other hind the tile heat ireat of the vapors is maintained gird and a large largo quantity quantify of heated air thrown in the sulp hurel of ammonia is 13 converted into sulphite which rapidly passes into sulphate of am by means meang s of which mor mord mora salt balt may be decomposed and thus alkali refuse may be brought to yield sul bul sulphate pilate of soda of oram ani ant monia inonia and carbonised carbonized carboni sed lime dust this latter material will be valuable in lit agriculture it should be worked into the land when p foe ote re paring it for ae seed seed aeed ed marlite of ammonia being afterwards applied to the tile growing crop when the first shower of rain ruin will wm carry I 1 4 into the soil when ctr carbonato car cir bonate bonito of aimoni i wi wiil 11 be disengaged in direct contact willi tila the root of or the plant by treating gypsum as sulphate of lime with small coil and high heat in a furnace it would bo be reduced to sup huret of c calcium and arid may by a mode moje of treatment the thes thas sit anet antt no product as alkali refuse T II 11 lugn LuGH tos TON |