US1191053A - Process of concentrating metallic ores by flotation. - Google Patents

Description

No Drawing. a

nouns. r. YABYAN, or 'ronnno, onio.

rnocnss' orconcnurmrme mn'rALmc cans nx rno'ra'rron.

a To all whom it may concern:

Be it known that I, HOMER T. YAVRYAN, a citizen of the United States,

" Toledo, in the county of Lucas and State of centrating metallic ores by what is known as" Y "-lently agitated with -to'be a full, clear,

Ohio, have inventeda certain n'ew and useiful Process of Concentrating Metallic Ores by Flotation; and I do declare thefollowing and exact description of the invention, such as will enable others skilled in the art to which it appertainsto use the same.

My invention relates to the process of con- The oil flotation process.

' When ores of low grade, such as galena or copper ore,- are finely ground and mixed with I from three to'four parts of water and v10 a small percentage of certain oils, there is formed a s'tifl froth which seizes upon and carriesthe metallic particles, which are. thus separated from the quartz and other non-metallic particles.

The froth with its metallic particles floats to the surface. and is allowed to flow off or is froth of the necessary 1 among other agencies, for

removed, carry ng with it the concentrate a.

' ores which'consists magitatmg the ores in and leaving the gangue whichdoes not attachitself to the froth. The wet concentrate is dried and is now ready for further treatment by. the proper metallurgical process. This flotation process is well understood and need not be here more particularly described.

The efliciency of the oil or mixture used .in

required to produce a amount and consistency-for thecollection of the ore particles. v

There-have been'employed or proposed, producing the p 1 froth and flotation indicated, coal and'pine tars; rude and refined creosote; eucalyptus" 'oil pine oil; cotton seed oil; petroleum and its-products; rosin-oil, and various {mixtures of the. same, with "when agitated. so; oil requisite for quantity-0f .gye; tole'ssen'the time required.

The ob'ect of my V 'increasethe amount and-permanency of the 'froth obtainable from these and other oils 'thwater and ores, and to thereby reduce the quantity and 'costof the the treatment'of a given Specification of Letters Patent.

residing at claim and varying results.- These several agents are included in my. useherein' Patented. July 11,1916.

Application filed llarch 29, 1916. Seria1No, 87,659. I

for the process, and to increase the percentage of metallic particles extracted. I attain these results by adding to the 'oil'employe'd the necessary percentage of a resin'ate of an alkaline metal, such as'soda, potash or lime. As a chemical equivalent of these alkaline metals, ammonia may be substituted and combined with rosin to form resinate of ammonia. I In practice,

by way of illustration, I ob-. tain a superior flotation oil by mixing together fi ty per cent. petroleum, fifteen-per cent; pine oil and thirty-five per cent. resinate of soda orresinat'e of ammonia.

Itwill be understood that rosin oil may be substituted for rosln in the preparation of the resinates. above referred to.

The proportions here given, whileentirelyof course, be varied, as conditionsmay require, without departing from the spi'ritof my invention.

satisfactory in 'ractice, may,

Having-described my invention, what I.

desireto secure by Letters Patent, 1. The process of concentrating metallic jcrmminuted form in a mixture of water, oil

and. a suitable resinate, and then, by flotation, recovering the froth thus produce: together with its accompanying metallic parthe 'ores'in a mixture of water, resmate of; an alkaline metal.

3.1The process of concentrating metallic I ores; which consists in agitating the ores n 'commjinuted form in water to which is added a mixture consisting of sixty-five per cent.

r'esinate of oil and thirty-five per cent. sodas-petroleum constituting upward of fifty per cent. oi the whole,--and then by I flotation recovering the froth thus produced together with its accompanying .metallic particles.-

In testimon in presence 0 two witnesses. 4

HOMER'T. YARYAN. witnes sesi Gnarnmm Bimcxnng Anion-HALL.

whereof I affix my signature