The flotation process . CAPACny IN 16 H0Of{S c/i/¥icrrr in t4 nouns. i-f€CD I [DISTniBUTOf^ ewiu-LcrsY \ S91T Lfy^C CITY. UT»ft Fig. 42. rated from the pulp by gravity. The defect of this process was thatonly part of the mineral was granulated, the rest of it appearing onthe surface of the pulp as a scum or froth, and so was lost in thetailing. This defect of the Cattermole process suggested the funda- NOTES ON FLOTATION 233 mental idea of the process afterward described by Sulman, Picard,and Ballot in their patents, in which, instead of granulating part ofthe mineral, they floated a
The flotation process . CAPACny IN 16 H0Of{S c/i/¥icrrr in t4 nouns. i-f€CD I [DISTniBUTOf^ ewiu-LcrsY \ S91T Lfy^C CITY. UT»ft Fig. 42. rated from the pulp by gravity. The defect of this process was thatonly part of the mineral was granulated, the rest of it appearing onthe surface of the pulp as a scum or froth, and so was lost in thetailing. This defect of the Cattermole process suggested the funda- NOTES ON FLOTATION 233 mental idea of the process afterward described by Sulman, Picard,and Ballot in their patents, in which, instead of granulating part ofthe mineral, they floated all of it. This patent forms the basis of allthe Minerals Separation operations. It was first exploited in Australiaand in a short time replaced all other flotation processes in thatcountry. In 1904, Macquisten brought out his tube process, a very in-genious scheme which gave excellent results on the sandy portion ofthe feed, but was inoperative when slime was present. This was astrictly surface-tension scheme, and its inability to handle slime wasa serious limitation. In 1912, Hyde introduced a modification
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Keywords: ., bookcentury1900, bookdecade1910, bookidflotationpro, bookyear1916
