Show recent literature on flotation BY D A LYON 0 C RALSTON F B AND R S lims the object of this bibliography is to supplement previous bibliographies of flotation recently issued by the bureau of mines covering articles issued in the technical press during the months of january to august 1916 in preparing this bibliography articles in the following journals and periodicals published during september 1916 have been abstracted canadian mining institute bulletins engineering gi and mining journal metallurgical and chemical engineering mining world mining and scientific press patent office gazette proceedings of the american institute of mining engineers proceedings of the american mining congress salt lake mining review 1 adams maxwell A new notation flotation oil from sage brush min alin and eng world vol 45 sept 16 1916 p gives lists of some of its physical properties together with method used in its extraction 2 belchie Belch le george and neal roy 0 surface tension of oil water emulsions a flotation theory ming and eng wo world ald vol 45 sept 16 1916 p compares statements made by various authors regarding the value of oil flotation and shows that uniform conclusions have not been reached discusses and gives tables of results of tests on surface tension carried on by the authors 3 burch H K concentration at inspiration eng and min alin jour vol sept 2 1916 p sept 9 1916 p description of inspiration concentrator 4 clayton chas Y flotation bubbles met and chem eng vol 15 sept 15 1916 p shows and explains eight interesting photographs of flotation bubbles and bubble aggregates in the act of lifting particles of minerals to the surface 5 clevenger G H A new source of flotation agents am dinst ming eng bull september 1916 p 1685 discusses experimental work in the use of flotation methods and the various products resulting from destructive tive distillation of sagebrush 6 cogill W H molecular forces and flotation min alin and press vol sept 2 1916 pp ap short illustrated article discussing and summarizing physical data upon which theory of flotation is based 7 cole A A the production of flotation oils in canada can min alin dinst bull september 1916 pp ap states that good flotation oils have been produced from red pine and spruce the subject is being investigated by canadian government under direction of minister of the interior united states bureau of mines van H manning director 8 cole david the advent of flotation in in the clifton morenci district arizona am dinst mm alin eng bull september 1916 p 1611 describes in in detail experimental work which led to present flotation practice in clifton morenci district 9 elmore A S the invention development and introduction of the flotation process mm alin and press vol sept 23 1916 pp ap short history ot of flotation by one of the inventors of elmore bulk oil process 10 engineering and mining alining journal automatic oil and acid feeder vol sept 9 1916 p describes U S patent issued to albert campbell july 11 1916 the invention is a machine devised to feed regularly a given quantity of acid or oil into the ore stream 11 facilitating flotation vol sept 16 1916 p briefly discusses a few flotation oils 12 eberneza brown concentrator flotation vol sept 23 1916 p describes apparatus for concentration of ore by gaseous flotation of mineral particles in liquid U S patent june 20 1916 13 cyaniding Cyan iding of flotation concentrates vol sept 23 1916 p discusses application of process in in Alex mexican ican plants also the question whether contained oils will be detrimental to cyaniding cyan iding 14 gahl rudolf notes on flotation mm alin and press vol sept 23 1916 pp ap extracts from paper on de of flotation at inspiration presented 9 e 11 te 1 at tucson meeting of A I 1 AT E september 1916 15 treating zinc lead tailings at midvale utah vol 45 sept 2 1916 p describes method used for treating zinc lead tailings from the plant of U S smelting smelling Sm elting refining mining co flotation machines used here are belt driven instead of gear driven 16 american institute of mining engineers discusses flotation processes vol 45 sept 30 1916 pp ap 17 oil flotation process improved vol 45 sept 30 1916 p frothing tendency of flotation oils can be increased by adding a certain percentage of of an alkaline metal such as soda potash or lime cites II 11 G Ya ryans patent wherein inventor states that in practice lie he was able to obtain a superior flotation oil by mixing 50 per cent petroleum 15 per cent pine oil and 35 per cent of soda or of ammonia IS 18 mining and scientific press agreement between minerals separation and the inspiration anaconda companies vol sept 16 1916 pp ap A verbatim copy of contract between these two companies as included in the evidence in the minerals separation versus miami suit at wilmington del in 1915 19 flotation royalties vol sept 16 1916 pp ap editorial comments on oil contracts between minerals separation and the anaconda and the inspiration companies 20 comments on work of the elmore brothers in notation flotation vol sept 23 1916 pp ap 21 A new flotation oil vol sept 23 1916 p brief account of experiments at university of nevada with oil from sagebrush the common sagebrush Arteni artemesia esia tri gives upon destructive distillation an excellent flotation oil 22 parmelee H C recent developments in zinc concentration practice in the joplin district missouri met and chem eng vol 15 sept 15 1916 p discusses possibilities of flotation in joplin district 23 pearce J A flotation tribulations min alin and press vol sept 16 1916 pp ap discusses attempt to install flotation in the argo mill in colorado its failure at first followed by success 24 scott W A mining alining operations in bingham camp utah min alin and eng world vol 45 sept 16 1916 p states that as an addition to regular mill belonging to utah metal tunnel co they are building a flotation plant in a separate building to treat slimes from gravity concentrating cent rating mill the plan is to pass slimes through dorr classifiers and thickeners after which it will pass to pachuca mixers where oils will be introduced before being treated by flotation machines which consist of callow cells four boughers rou ghers and one cleaner the new plant it is thought will be ready for operation late in september and it is expected to become a profitable adjunct 25 notes on daly west mill park city utah min and eng world vol 45 september 1916 p gives comprehensive data on process used for treatment of ores patents 26 bacon raymond F process for treating ores U S patent sept 12 1916 separation of non sulphide minerals from associated gangue by subjecting them to action of hydrogen sulphide in presence of sulphur dioxide whereby colloidal sulphur is formed and minerals are converted into sulphides sulp hides and are recovered by flotation 27 concentration of ores U S patent sept 12 1916 the method of separating metal constituents forming acid soluble and acid insoluble sul aphides from each other and from associated gangue by dissolving the soluble constituents with an acid precipitating with hydrogen sulphide in the presence of and excess of acid and subjecting the resultant mixture to a flotation treatment 28 campbell albert oil and acid feeder U S patent july 11 1916 describes improvements in oil and acid feeders in flotation concentrators invention venti oll is directed to t apparatus which will feed frothing agent to pulp in measured quantities the object of the machine is that feed shall be constant and uniform irrespective of frothing agent in container or tank from which the same is fed to ore stream A feeder is provided the speed of which may be easily adjusted and controlled troll ed one which is simple and light in construction and easy to operate 29 eberenz G B and brown J I 1 ore concentrator U S patent june 20 1916 describes apparatus for concentration cent ration of ore by gaseous notation flotation of mineral particles in liquid 30 mishler ralph T apparatus for separating oiled concentrates from the gangue of ores U S patent sept 12 1916 A machine using both compressed air and mechanical agitation A series of agitating blades are mounted upon a 1 horizontal shaft new installations and other notes of interest 31 the arizona mine chaparala Cha paral ariz may install flotation in the new concentrating mill salt lake min alin rov rev vol 18 sept 15 1916 p 32 32 associated consulting engineers co of salt lake city state that the new flo notation plant it constructed at the lost packer property loon creek district idaho is giving entire satisfaction salt lake min alin rev vol 18 sept 30 1916 p 34 33 big four exploration co park city district utah will install additional notation flotation equipment min and eng world vol 45 sept 23 1916 p 34 black cloud mill salina colo has recently been purchased by W J blake and C A newel who are rebuilding it with flotation equipment salt lake min rev vol 18 sept 30 1916 p 35 35 the buffalo mines co cobalt ont can on september 5 put into operation the ton flotation plant with callow machines which will treat tailings from dump of old mill as well as concentrates from mine the previous system of treatment did not make anything like so close a recovery of hilyer as can be made by oil flotation of tailings can be done profitably min and eng world vol 43 sept 16 1916 p 36 butte superior mining co butte mont report filed in federal court butte shows that tons of ore was treated in the companas comp anys oil flotation plant during july min and eng world vol 45 sept 2 1916 p 37 the C 0 co pinos altos N mex has taken over the savanna properties and expects to install flotation process for treatment of pinos altos ores min and eng world vol 45 sept 16 1916 p 38 the consolidated Copp ermines co kimberly district nev is to use callow flotation process at the giroux concentrator evidently a mistake kimberly nev present plant is to be re constructed salt lake mm mill rev vol is 18 sept 30 1916 p 34 39 plant was re bently inspected by J M callow the oil flotation expert who ad advises aises installation of pneumatic flotation machines mm min and eng world vol 45 sept 16 1916 p 40 the 85 mining co lordsburg Lords burg dis dig brict new mexico exico Ai it is believed will soon erect a flotation plant at its property A test mill has been established by the company at texas school of mines fort bliss texas J W crowdus in charge is mak ing complete tests of flotation in hopes ot of finding proper method for treating the ore mm min and eng world vol 45 sept 16 1916 p 41 the florence goldfield co goldfield nev the flotation plant is treating more than tons a day A new flotation ma chine the jones belmont is giving satis faction product now going to mill averages 5 per ton but a higher grade ore will soon be treated mm min and eng world vol 45 sept 2 1916 p 42 the florida group near lida nev will possibly have a flotation plant of large capacity as plans for one are being ma aured according to the goldfield news salt lake mm alin rev vol 18 sept 15 1916 p 32 43 the forbestown Forbes town consolidated co forbestown Forbes town gal cal after a series of experiments extending over eighteen months has demonstrated efficiency of flotation process it is stated that a 98 per cent extraction has been obtained mm min and eng world 0 vol o 45 sept 23 1916 p 44 david gemmill of the randolph re works crown king ariz anz has solved a treatment by flotation for base ores of that section and is utilizing it with sue suc cess Ge improvement to oil flota tion process more than any other single factor has been instrumental in bringing to life in in the bradshaw mountains crown king district ariz anz many of the old time producers mm min and eng world vol 45 sept 16 1916 p 45 the gillard tungsten mining leasing co cripple creek colo is pre paring plans for a flotation and cyanide plant for treating low grade custom ores mm min and eng world sept 30 1916 p 46 goldfield consolidated the 1000 ton flotation unit was on august 21 at tull full capacity the management expects after a few weeks to maintain a daily output ot of 1050 tons and to better gold extraction which now approximates 92 per cent ain ln and eng world vol 45 sept 2 1916 P 47 flotation mill is now treating 1000 tons tolls of ore daily and handling sonie some ore of excellent grade from newly opened lower workings mm min and E eng ng world vol vo 45 sept 9 1916 p 48 pending in stal lation of additional thickeners and ailt n ers in the mill flotation has been temporary temp orar ily discontinued the process it is stated state lias has proven a success and it is expected that tile the plant will resume within sixty to ninety days meanwhile the company will wili revert to cyanide process min and eng elig world vol 45 sept 23 1916 p 49 owing to lack of equipment to settle and filter flotation concentrates and on account of changes in in ore the company has temporarily pora rily abandoned notation flotation min and eng world vol 45 sept 30 1916 p 50 goldfield great bend mining co goldfield nov nev is experimenting with flo notation and the process will probably be installed salt lake min rev sept 15 1916 p 32 51 the keystone consolidated mining co chloride ariz has let a contract for construction of a ton fields notation flotation plant salt lake min rev vol 18 sept 30 1916 p 33 52 lost packer mining companas Comp anys flo notation process recently dinst installed at its mill bonanza idalio idaho is stated to have solved problem of working low grade ores of that property salt lake min rev vol 18 sept 30 p 35 53 the mining co colbart Col balt out ont has been experimenting with callow flotation process with good results salt lake min rev vol 18 sept 15 1916 p 33 54 the shattuck arizona copper co bisbee ariz is experimenting with notation flotation for its low grade gold silver lead ores salt lake min rev vol 18 sept 15 1916 p 32 55 C P F sherwood formerly metallurgist for butte superior mining co and later of butte duluth mines who worked out process for and treating by notation flotation the carbonate mill tailings of the prince co at bullionville Bulli onville nev has opened an office and metallurgical research laboratory at salt lake utah min and eng world vol 45 sept 9 1916 p 56 silver king coalition mines co is making a better saving of values since installation stal lation of flotation process salt lake min rev vol 18 sept 30 1916 p 30 57 the southwestern engineering co los angeles cal has issued an article entitled flotation concentration testing in its bull no 2 p 4 which gives briefly the nature of flotation tests it makes these tests are divided into three classes those on ten or twenty five pounds of ore pounds and pounds the test for each class and the charge for it are given min and eng world vol 45 sept 2 1916 p 58 utah metal tunnel co bingham utah has announced that flotation process will be completed and in operation immediately at its mill and should result in saving not less than a month min and eng world vol 45 sept 30 1916 p 59 walker copper mine portola cal which lias has been acquired ny by the international smelting smelling Sm elting refining co has re bently completed its ton daily capacity flotation plant min and eng world vol 45 sept 2 1916 p 60 the mines co woody cat cal is constructing a flotation plant of tons capacity at its copper mine min and eng world vol 45 sept 9 1916 p gl 1 A hardinge mill dorr classifier oliver filter and several flotation machines have been ordered for its ton plant min and eng world vol 45 sept 23 1916 p |