Document npyMJgKYNLz2QGd4bMQp8323X

LIA16376 LEAD INDUSTRIES ASSOCIATION 4*0 LEUMOTOM OVUNUC M* TOM IT. M. V. map moacrrow nt phto Ooorga P. Sawyer, Vies Proaidant C erro da ?**co Corporation Z lMdM not a fw of you war* aurpriaod to discorw th*t th* 1**4 p*odbetlon of Peru i* iuportant enough to b* worthy of pl*c* on thia program Thi* 1* probably do* to th* fact that Poru'e land projection la relatively nor# It wae born and baa crown to a pretty bosky young n ell la tha abort apace of about twenty-fire yoara and, as a aattor of fact, la still grodag* la th* Carro do fhooo Corporation has played a loading rola ic thla dorolopMBt and today operate* th* only load aaltar and rwfinary In Para, X rtiould Ilka to devote a faw nlnutoo to th* history of that darrclopaont bofor* gattlng down to the subject in which yon art intaro*ted--that la, pounds of load production froa Pant, About as ,_jod a starting data as any would b# tha construction of th* Corporation** prosact copper aaltar at Oroya, pom, which waa blown la doing the early twantlas. dban that antitar na constructed, thara war* no facilltlaa prorldod for th* anolting of laad-boaring natarlal, nor war* uy such facllitiaa aran norrt anplatad at that tiaa. Last year tha Oroya plant turned out Just under ona hundred wnim pound* of raflnod load, den, the factors which pronptod that change are quite lntaraatlng boaaua* thay differ souiwhat tram tha usual, Phaa Carro aequlrod th* Baokua and Jojmoon interact* la Pure, Backus and Johnson wore oparatlng a suelter to treet the ora tram the Cooopalea rtna, Pra#acted at tha 2irth Annual Wasting, Load Industrie* Association, April 16-19, 1?52, Chicago, Zllinoia. ^gigjMUA-i uiiiMpafuwiyqRUgH^^ '.uy' a>gP.*U* t'.PP" W. t -i r^-~ i LIA16377 I Tf".i^aMrfc uftA Oaorge P. Sawyer - *1. o These ores war* treated for their silver and ooppar values alone, and no attoapfc was made to rocovar Xaad and tins* 'Then the B, k J, aaclter was (hot tern, thaaa oral ware direrted to Oroya and the adrance In the art of selective flotation aada it possible to separate thaaa ores into three prod-jcta, naaely a ooppar concentrate, a Bine concentrate and a lead ooneantrate. it a result of copper awaiting operation at Oroya, thara was being pro duced an erar nounting pile of lead-bearing flat duet, ao Carro aaa faced with the problan of disposing of the lead coneantratea Iron Caaapalca and tho accumulating flue duat at Oroya. Initially, thaaa producta ware exported and sold, bat s lesd inelter was pat together trot rsvmped copper hlawt furnaces and sintering equipment no longer in usa in copper melting operatione, and Cexro produced ita first lead in 1928, a dato which coincide! with tha founding of this Association. Pro* a refining standpoint, the product was not a rary attractira one. It ran about 95 percent lead, 1 percent blseruth, J percent actlaoqy and about 1/2 percent arsenic, la a result of work dona by two aesfcera of tha Corporations staff, 0. Reioberg and T. Harper, a nethod was developed by rfiich this bulllo* could be refined econoadcelly by tha alectrolytic process without any prstreet--at or aoftening ahead of the refinwy. Proo a snail pilot plant placed in operation In 193b, Cerro's refining facilities here expanded and today are boused in a modern, srell equipped plant having a capacity of around 70,000 to 75,000 tons annually. That plant la turnU* oat ao-- of the purest lead produced In the world today, running nearer five nines lead than four with a biaaoth content- of leas than .081 pareant. Before that figure of 70,000 tons bacmes too firmly fixed Is your winds, let as onphaalse that thia represents the capacity of the refinery. The bullion production of the aaaltar la, of course, dependent to so-- extent on the charge. mm mm L IA163 78 I i Oaorge P, Sawyer L f t -3- t *r o but the faollitlae u they sow exist llsdt bullion production to a figure aoamhat f below the capacity of to* refinery. Cam la no* at-artlng to correct thU urfraionos by laproTioj the praeant sintering facllltlas, 'lien thasa iaprovmauta ara oo* plated (19SI)/ tha capacity of tha plant--receiving blna to refined lead---will ba about 70,000 to 75,000 tons, Incorporated In that* chakra ara provision* tbr further expansion* Bo, aa to rtut nay ba axpectad tram Paru In the way of lead production* t In presenting any aatlnataa of protection, oartain aesmptlons mat ba ad# and I Kara aaamad first, that tbara will ba a mrkot for that production at : about tha praaent prlce/cort relationship and second, that tbara trill ba no oajnr t eataatropba aoch aa acted. war or axtanalva strikes* Baaed on tbaaa eamptleae. It la estimated that during 1952 the ulna production of Peru In torn of recoverable o load *111 ba about 80,000 tone, Of this mount, Carro will produoa about 22,000 tona fixe its oan nlnaa, leaving 56,000 tona as representing tha protection at a r ' nabar of other prodie ara scattered throughout Peru. On account of geographical c- location, not all of tha lettor production la aveilabl* to Carre's shelter, but r i the bulk ecnea froo the central region and can ba treated at Oroya. Over of Cairo's production of 22,000 tona will cone froa the Carro da ftteeo tine-lead ora i 4 body, active adning of which was Inaugurated In 19liT. The figures could ba re cast another way* 60.000 tona Total Paru nine production recoverable lead 50.000 tona of 'dilch produced as refined load 30.000 tons of mich produced aa concentrates Zt la not expected that these figures sill change to my great (actant over tha next tm years. Certain expansions planned or already under way will bring Peru's 1955 production up to an expected figure of about 85,000 ton*, by r that tine, changes In Carre's malting plant will have beau ecnplatad, naklng It possible to proteoe 70,000 to 75,000 tona of this production la tha fora of refined lead, a j ^ .ml, smmmmmninaijmi' % V Wm-PI UlPUJUBliq^ ' . LIA16379 iattaaBsu