Salt Lake Telegram | 1925-10-04 | Page 25 | Clam Credited for Discovery in Smelting

CLAM CREDITED D I IFOR FOR FOE D DI DISCOVERY I IN SMELTING T TACOMA ACOllA Wash Oct 3 AT AI AP- AP The lowly clam may be given credit i ifor I ICor for Cor an nn Invention of ot great Importance I If to tr the smelting Industry Industry- B. B II IL Bennetts a IL local chemist and ns- ns t ar aver observed ed that all the thoe clam clamshells shells on the bench beach near the Tacoma i lime smelter Iter were vere green as If 11 discolored d 1 by bv Copp copper r. r He lie studied the mystery and finally discovered that raw limestone ton would precipitate the copper opper In copper sulphate Inder general smelting processes t the tho raw copper Is reduced to liquid copper 1 sulphate Then Iron Is added added add add- ed fd and copper Is precipitated and the result Is III th then In shape for tor final fluxing limestone being added for fortie tie te flux Thanks to the clam Bennetts Bennetta learned earned that Iron could be eliminated ed ell I entirely The ground limestone is II s D added ded to the copper sulphate and the precipitate come forth as copper copper copper cop cop- per carbonate ate find and calcium sulphate ard ad is ia In form to be finally smelted without the addition of oC any more lime The process Is said to result In a a. great saving b by eliminating iron It ia is estimated that the sax sav saxing saving ing In will total a a. cent a a. pound The discovery was made mado by Bennetts Ben nen- Us ne-Us more mote than two years ago but only recently he received his patent from the government The patent was so 80 broad that the government hesitated hesitate to grant it H. It Js Is close to toa toa toa a basic baste patent In scope Bennett Bennetts who woo already has hu Invented Invent invent- ed various devices and methods methods' used In smelting says that if his new plan works out as expected ho will wilt adopt I the clam shell as s his official of of- of cost