| Show y new Comm commercial erdal value of f many my of tile the minor metals THE ELECTRIC FURNACE HAS BROUGHT INTO MANY industries WHICH previously EXISTED ONLY FOH FOR THE PURPOSE OF SUPPLYING experimental laboratories 8 I 1 lit fun furi ice for corn coin utes h baa has As into T existence electie chemical and g electia met indus indu tiles that eie 1 deviou iv confined en to tie laboratory laboi atory ot tie menter ef ej companies formed continual to inai ufa cure llie he product pio duct of tl e elec elective tife furnace or to convert metals into new commer commercial gial forms and to refine others other the ex es of d col ei v in this diTe di recon cIon are still pie prediction diction and chemists and Invent inventory are con scantly experiment n ng g to find cli chiapel capet and mole mold effect ne ways of turing metal pro ducts amow 11 high temperature tempera temper tuie atme electia chemistry has consequently an important bearing on the mining outlook and the metal trades in general the consumption of nany pany of tha the minor metals by the new group of industries has become su sud d denly so gi gleat eat that the demand elcee exceed 14 the supply in the use of copper ln in 1 particular the consumption has tended tended toward a rapid in increase cleage while the of metal has steadily dlly advanced alvan ced ithe comparative production plo pi of copper jok the past ten years ba has averaged about nine per cant increase inci ease eise while demand has advanced i in lecent years until the total stocks of copper in the country hal hail several tin es been at an low ebb speculation in copper and attempts to coiner tie market hae haie sexual times caused y prices and abnor mal con condition ditlow but the trade demands have been steady and healthy and many marty dealwis had no fear of the uld mate value of the metal ind and canted their stool easily through the short pe nods of depression depies sion mills al aid d briss found fOun diles nes have been running stead ly and the supply for the cutrena yeat will no more than equal the demand in the high temperature electro chemi cal factories facto fact iles olies copper N ill be moie of a factor thin ever before and the con of the metal tor for electrical purposes must to i luge laige extent delei detel mine the actual value of the product the manufacture of ind calcium carbide in the electia chemical industries has advanced vinced id so rap adly tf t at immense investments have been made ii the fui furnaces naces and plants while the output of the factories is steadily dlly braiden ng in the steel in austry alone the consumption of car corundum bornn borun dum amounts ta seventy five tons per month and in beadily all lines it is largely t taking ikin the place of enery and ferro silicon while the mandac ture lure of tl is product ies only col e san sani I 1 and silt salt as briw mate alan it eless makes a bia bi de man I 1 upon the copper market and also ilso upon lime ani oti er materials mate nals em I 1 loyed is fl axes T ie ra manufacture of calo calc urn um carb de is even a i larger indu tl alin in tl at of and ind its effect upon tl e in n no n of metals is in moie oie import ai t tl TI s ind istik aiom aises t to 0 extend tor for the curent yell RO 0 o that the output nl ill be neilly doubled artificial ohp n of al ii griph ite in the electa c finnace is ac t tl at it his resulted in tl e establishment on a laige scale of an in ent entirely liely new In dusti by passing pissing amorphous calbog tl lough the electa c bic has his been made for many deals eais past but its commer cial manufacture in the electa e fumare is scarcely a i year old almost pure graphite contain ng only one tenth 0 one per cent ash is made in laige laig ge bulk bull in tie fac factories tolles V granular gian ular graph te to suitable foi many 1 g pui pull loses oses is produced in the electa e by graph tiza tion of anthracite anthia anthill cite elte coal rh fh s 9 process has enabled the kanuf to make a conraot con mon coira of chein gra gri chite which enables many oses foi it heretofore hereto fole denied by liitle of its cot there is to d y manufactured by tl e new esses some 3 or 4 OJO poin ds of giap hite a 1 3 seal eai and the mater a A 1 I 1 las as been employed moie mote ext e ten than e ei ei et I 1 defoie e in the biffel ent trades an in I 1 industry es the artificial giap hite lends itself readily to anous flims of mau mani nuli tion wl ich opens up foi it new fields for usefulness 11 us it can be planed and cut by mach deiy and ind used for sc un against t beams and ind girdenis where need needed d without api atin ol 01 I 1 real in ing tl TI e aas w th wh ch chajt jt 7 can cin be martinel mackinel mac Tinel linel by old naly tools I 1 as made it one of the most kopul it mate nals y t by tl e new electric fuin icea tl TI e el in nation of aiom the gi graphite by the electric albo recommends ohp product foi tl e moi mot e difficult and ind ex acting tl ti ide dem demands deminds where a vera ver fine mat material matei ellal ial Is demanded IMITATION th manufacture of artifice al alamin lum hag has attained it cons cong datable imbor tance through the sare p ocas as that wl ich has i i zed tl tic c gi industry both tho cho chemical aid d elec d il processes of raal mal n ng aluminium ilu aie ate in vogue and tl e 0 output is so go con to day div alit tl at alum n um Is mole moi e generally general ly used in ON oer er tn ano 0 soot ascole scole c different industries new smelt eis foi fol mal mil ing ins tl e me al il tire in cou se of con on at it ari fagaia aia rails ai qi d at mas mis sena sona N I 1 wh ie le smaller ones bave ave been projected in other pait of the countey the erectile elec tile furnace used for tl ti is purpose is a carbon I 1 ned educible clu etu eible cible which forms one and separ ate ite cairon i ds mal e the other the most expensive p pait pitt itt of the pro cess is the cost of purifying the balur baux ito 11 s h I 1 is i 1 13 1 di itel ite I 1 oxide of alum in uin um containing I 1 lugt lizt I 1 dicent igus of iron oxide sille i dud and titanic act I 1 11 I 1 elimination of these impurities must I 1 P obtained chemick process or fi the clec tiie ire in the latter the sei sol is obtained bi leat 1 batin fit the in contact with carbon to attract fhe he imparl t es the oi ie le is thus left jeff in t fused state chich is then lemoel ind coole I 1 probably Pio bably 10 tons of aluni alum ilium aio ate produced annually it tl e leading le adine tac tones usina kuslu the electric ineal od of manur etui e abnot ci metal made at plants ib Is so 0 o lium this Js s mide by elec tl ti oil zing t f ased the I 1 ns ris ng ug to ab ahe jop lop of bf th tiia atle ue I 1 n iss US I 1 ell 9 bummel I 1 oft time to ti fhe the ted meal attending tl ti manufacture minu facture of this metal bite lie chiefly Cihi efly those which pertain to the control of the ti tl i i too aiji or too low temperature spoils the open tion if the temperature of she he fui nace is carried twenty degiles ato the melting point a recombination of the im takes place and vo no metal r ses the ui fact consequently the of tha th whole hale process must be c and und exact by means of lecent however the is exactly and beul cited so thera here is no cl CI ancelom f fail ule the manufacture of sod god um h aisi 14 thus caused an inci eisel h li it the of austic soda th s latter is plod produced likewise on a laige scale by bv leans meins of the electrolytic process the production of all chiastic cit istia ill alis and chlorine by s 11 his is been an interesting intel esting li dust dustral que quest tion loii for deais in all of the country but the direct treatment ment of fused salt offers new studies aiom the process is obtained the pure chlorine which is used for maling mal ing bleacha pov po dei del and goo I 1 caustic I 1 use I 1 lea I 1 ls Is used as a cati call ode to the sodium ai at I 1 the so i drum ilium alloy is vapidly removed so tint thit it will mill not become diffused into the mass of lead the four modes in each cell ire formed of giap graphite hite the manufacture of zinc by the elec process affects the in mi i ng of this ma materni terril and tl e extensive piehua t ons for making tl e metal on i i 1 acile indicate tl felt in the process 11 lie c ores used for this pur pose must be rich an ani I 1 N ai anel ae I 1 in met 11 lie ile substances su table for the work I 1 ut plenty of such waste naste oie is found I 1 it i d of the council il 11 ly the r cl est an I 1 most n na aie the leolen hill oles which bield a laige percentage pei ge of the matei ils required the ples elit metlo I 1 of is to fuse tie chio chlo dp by the pieces pio ces ard ta tien on ob nn the pule z nc ne by meth moth of ng wl ch are wa nell under stood the treatment of tl ti e ores in lit this way nay his already yielded fielded hufh chent results to mal e the a i II 11 i e success how large lame i t plo pio luction 0 z nc tie aty be oata red pea in tl ti e i ext few fen 3 cells eal q by tl s pi icess is impossible to state a aj fl til s time I 1 AND ANT the of min ginese anese ind nd phopho us by th tha somewhat sim lar elettro at C has also taken im m po tint sti des in the past few ears tl TI e former is made i ery cry much 1 ke a um n um the oxide is d ir r a bith b ith of fused cilcius fluoride and it is submitted to s in old olda to ass st in the rapid reduction i i slight amoni t of c culon Is added in 10 the the of the tern tem pei itule is so impo tant tint it if it is 1 alsed much aboe e the fus n po nt the guanga i ee ece w 11 become i goliti e in I 1 be lost the ope operator must follow care fully the le heulit ons found feces ary to I 1 iodice th s the artificial pio production of the metal Is a highly am in process foi the use 0 manga negi in the and industry es is steade y on the Inci Inc eise leise aiom tl ti e elec elective tiie fumare Ss is collel e i out on qu te an extensive scale ab oad and in th s 3 countis the betl od is i aei ea s mi mn and tl e results eay satish ct I 1 ly y T fie ie phosa phosphate aate ruin min evil enl iq 1 fi st ob aine abnel I 1 ind tl tien on ground to i i i ery cry fine pov pon dei in th s condi condl tonit t on it is axel el wi mi h calbon aid ai d sand and tl en ell betted in the electric furnace in in nn intense wl en at the propel I 1 eat the phosphorus is d Q t tiled til ed off ind collected under N water ater ohp deta Is of the aie not feces silly to how tl at the process is one hit thit prom ses to create i i cons chanse change in the price and distribution of phosphorus in commercial bolm new loik loll limes |
