History of Flotation Patents Mineral Processing Metallurgy
These patents of Potter and Delprat have been labelled variously under acid flotation and surface tension methods Delprat s apparatus does indeed suggest a process of the Bradford or Wood type but of course both he and Potter depended for their results on the liberation of carbon dioxide gas from the gangue which at Broken Hill contains a large proportion of carbonates …
US2931502A Method for flotation concentration in coarse
US2931502A US595500A US59550056A US2931502A US 2931502 A US2931502 A US 2931502A US 595500 A US595500 A US 595500A US 59550056 A US59550056 A US 59550056A US 2931502 A US2931502 A US 2931502A Authority US United States Prior art keywords flotation ore sylvite brine concentrate Prior art date 1956 07 02 Legal status The legal status is an assumption and is not a …
US20150090666A1 Collectors for mineral flotation
The invention provides methods and compositions for improving a froth flotation type separation The method uses a microemulsion to improve the effectiveness of a collector The improvement allows for low dosages of collector to work as well as much greater amounts of non microemulsified collector …
US2154092A Process of flotation concentration of ores
US2154092A Process of flotation concentration of ores Google Patents Process of flotation concentration of ores flotation minerals gangue concentrate ore Prior art date 1937 03 12 Legal status The legal status is an assumption and is not a legal conclusion 1939 04 11 Publication of US2154092A publication Critical patent US2154092A en…
ore flotation scheelite wolframite flotation new
Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic The Elmores had formed a company known as the Ore Concentration Syndicate Ltd to Minerals Separation s initial flotation patents ended 1923 and new ones for chemical processes gave it a significant position into the 1930s Live Chat…
FROTH FLOTATION AND CHEMICAL PROCESSING OF COLORADO
First the acid consumers and then the uranium minerals were floated On ore ground in the Faraday mill grinding circuit and using Faraday mill water in the flotation step a recovery in the flotation concentrate of from 91 to 93 of the uranium was obtained in 45 to 50 of the weight at a grade of 0 24 U sub 3 C sub 8 …
Production Line Mineral Processing Concentration of Ore
Metal Mineral Beneficiation Process Xinhai has been committed to providing customers with more professional services in the turnkey solutions for mineral processing plant optimized its services continually and formed its own set of service system besides Xinhai set up Mining Research and Design Institute ensuring the smooth operation in plant service …
CN106694236A Preparation method of ferromolybdenum ore
By means of the collecting agent prepared through the method efficient flotation and recycling of ferromolybdenum ore can be achieved and under the condition that the MoO3 content of the ferromolybdenum ore ranges from 8 35 to 11 24 rough floatation is conducted once scavenging floatation is conducted three times and fine floatation is …
Electrical separation CONCENTRATION OF MINERALS
Ph D Igor Bobin Ph D Natalia Petrovskaya MINING SERVICES Concentration of minerals mineral separation enrichment of minerals flotation magnetic separation …
fine grained cassiterite flotation
Patent US4229287 Tin flotation Google Patents The cassiterite from the alluvial deposits as well as the coarse grained cassiterite from the lode froth flotation of fine cassiterite has been Chat Online Tin Processing gravity separation or flotation It really depends on the particle size of the cassiterite Using both gravity and …
Extraction of Gold Gold Extraction Process Gold Ore
Gold mineral flotation normally adopts one stage grinding flotation process but stages grinding and flotation for ore with uneven distribution Grinding fineness of gold For the gold wrapped in sulfide minerals sulfide ore reaches monomer dissociation but for the gold with gangue grinding fineness should reach gold monomer dissociation …
Hot Iron Ore Concentration Equipment Flotation Cell
Patent wolframite flotation ore concentration in malaysia Mining company scheelite wolframite flotation new high quality wolfram ore flotation machine wolframite ore processing with high quality in iran tungsten yantai jinpeng mining equipment ore dressing process the separation methods and processes basing on good floatability of scheelite the …
US1839155A Process of concentrating ores by flotation
US1839155A US239816A US23981627A US1839155A US 1839155 A US1839155 A US 1839155A US 239816 A US239816 A US 239816A US 23981627 A US23981627 A US 23981627A US 1839155 A US1839155 A US 1839155A Authority US United States Prior art keywords flotation mercaptan compounds acid pulp Prior art date 1927 12 13 Legal status The legal status is an assumption and is …
US Patent 4 320 096 Combined autoclave soda digestion
Combined autoclave soda digestion of wolframite and scheelite Abstract A process for the soda digestion of mixed wolframite and scheelite concentrates is provided the process comprising forming a slurry of the mixed wolframite and scheelite concentrates in an aqueous sodium carbonate solution and then digesting the slurry in an autoclave at a temperature of at least about 180 degree …
Flotation characteristics and flotation kinetics of fine
The entrainment of gangue is more serious in the concentrate Therefore reasonable control of the flotation time and an increase in the wolframite flotation are important for the concentrate grade and recovery The optimum flotation kinetics of fine wolframite in the laboratory is expressed as follows 9 ε 87 26 − 31 74 e − 3 446 t …
Indium minerals CONCENTRATION OF MINERALS
Polymetallic ore Copper ore Indium is considered to be trace rare minerals so called the rare items that do not have the ability to concentrate in the earth s crust They do not form their own fields and raw materials are extracted from the processing of ores or other elements The industrial value has an ore containing more than 0 1 indium …
Physical Methods and Flotation Practice in the
· In this paper beneficiation studies were carried out on a low grade tungsten bearing scheelite from Nezam Abad ore with total WO3 grade of 0 11 Mineralogical studies showed that scheelite is mainly distributed in the ore and gangue minerals include Quartz and Tourmaline Liberation degree d80 of tungsten bearing scheelite is achieved around particles size 150 μm Gravity concentration …
Production Line Mineral Processing Concentration of Ore
Xinhai mineral processing equipment mainly include grinding equipment flotation equipment dewatering equipment magnetic separation equipment and so on Some of the equipment is Xinhai independent research and development and has been awarded national patent …
US2120485A Ore flotation Google Patents
US2120485A US704598A US70459833A US2120485A US 2120485 A US2120485 A US 2120485A US 704598 A US704598 A US 704598A US 70459833 A US70459833 A US 70459833A US 2120485 A US2120485 A US 2120485A Authority US United States Prior art keywords calcite flotation ore fluorspar acid Prior art date 1933 12 29 Legal status The legal status is an assumption and is not a legal …
flotation cells wolframite ore processing new
Flotation separation of wolframite from quartz using N Oleoyl Mar 30 2016 Keywords flotation N oleoyl sarcosine acid wolframite quartz tungsten ore dressing plant in Ganzhou Jiangxi province China cell The impeller speed was fixed at 1900 rpm The mineral suspension …
wolframite ore vacuum filter machine qatar
gold ore flotation machine for wolframite in the uk gold ore flotation machine for wolframite in the uk Pictures of iron ore beneficiation plants in south africa iron ore beneficiation plants in south africa High quality vacuum filter for lead zinc ore dewatering US 1500 8900 Set And it has many advantages like high concentration …
Froth flotation of scheelite – A review ScienceDirect
Amino phosphonic acids and their salts have been suggested in a patent for the flotation of scheelite at a wide range of pH between 3 and 11 and wolframite for its flotation with BHA Han S BulatovicFlotation of phosphate ore in handbook of flotation reagents chemistry theory and practice …
Flotation of copper sulphides assisted by high intensity
Flotation of copper sulphides assisted by high intensity conditioning HIC and concentrate recirculation Erico Tabosa Jorge Rubio Laboratório de Tecnologia Mineral e Ambiental LTM Departamento de Engenharia de Minas PPGEM Universidade Federal do Rio Grande do …
Process for the concentration of mineral by flotation
· A flotation process for concentrating tungsten or tin ores is achieved by grinding the ores with a grinding medium other than steel first conditioning a deslimed sulfide free pulp with an acid further treating the pulp with an emulsified collector and recovering the tungsten or tin in the float …
Ore flotation Semmes And Semmes Free Patents Online
This invention relates to the beneficiation of ores and more particularly has reference to the flotation of tungsten It will be seen however that the invention embraces the flotation of minerals other than tungsten from a gangue composed principally of calcite or …
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