US3590998A - Flotation of sulfide ores - Google Patents
An improvement in the concentration of ores by flotation which comprises subjecting a sulfide ore in the form of a pulp to a flotation process in the presence of an effective quantity of a flotation collector comprising a compound corresponding to the formula WHEREIN R and R2 are hydrocarbon groups and R1 is an alkylene group. Certain of the indicated compounds provide enhanced recovery of and,US3590997A - Flotation of sulfide ores - Google Patents,An improvement in the concentration of ores by flotation which comprises subjecting a sulfide ore in the form of a pulp to a flotation process in the presence of an effective quantity of a flotation collector corresponding to the formula WHEREIN A is a radical corresponding to the formula D R A W I N G US3590997A - Flotation of sulfide ores - Google Patents Flotation of sulfide ores Download,US3590999A - Flotation of sulfide ores - Google Patents,An improvement in the concentration of ores by flotation which comprises subjecting a sulfide ore in the form of a pulp to a flotation process in the presence of an effective quantity of a flotation collector comprising a thiocarbamate compound corresponding to the formula WHEREIN X comprises a chelating group and R is hydrogen or a hydrocarbon radical containing from 1 to 10 carbon atoms; R1,FLOTATION OF SULFIDE ORES - DOW CHEMICAL CO.:THE,The flotation collector compounds as defined herein are particularly suitable for use in standard flotation processes to concentrate copper sulfide and other like minerals from sulfide ores. In such processes, a pulp is first prepared by wet grinding the ore to a suitable size with or without a pH modifier. A suitable frothing agent is then added, e.g., pine oil, cresylic acid,US3220551A - Flotation of sulfide ores - Google Patents,flotation sulfide per ton ore Prior art date 1962-12-06 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US242590A Inventor Moyer Samuel Payne Current Assignee (The listed assignees may be inaccurate. Google has not,US3853751A - Flotation of sulfide ores using,,A process of concentrating ores by flotation which comprises subjecting a sulfide ore in the form of a pulp to a flotation process in the presence of an effective quantity of a flotation collector comprising a compound corresponding to the formula WHEREIN R and R2 are hydrocarbyl groups and R1 represents an alkylene or heteroalkylene group.
US4274950A - Process for the flotation of sulfide ores,
28.09.2017· Process using collectors for the flotation of minerals which allow the separation or enrichment of certain minerals, even at pH values around 7. These collectors are organic sulphides of the type R--S--R', in which the two groups R and R' are different and at least one of them preferably carries a substituent including oxygen or sulphur.Sequential flotation of sulfide ores - Google Patents,A sequential flotation process for the recovery of high-grade concentrates of copper, lead and cobalt-nickel from sulfide ores is provided. A primary grind ore pulp is conditioned with SO 2 as H 2 SO 3 under intense aeration, and the conditioned pulp subjected to sequential flotation, with regrinding and conditioning of a copper rougher concentrate obtained in the first flotation step for copper.US2512715A - Froth flotation of sulfide ores - Google Patents,froth flotation flotation employed sulfide ores ores Prior art date 1946-02-19 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US713908A Inventor Carvajal Roberto Quiroga Juan Jose Current Assignee (The listed,US7553984B2 - Collector for sulfide ores - Google Patents,A method for the flotation of sulfide ores is disclosed. The method comprises contacting the sulfide ores with a composition comprising at least one compound of the formula where R 1 , R 2 and R 3 independently of one another are alkyl groups having 1 to 18 carbon atoms, alkenyl groups having 2 to 18 carbon atoms, aryl groups having 6 to 10 carbon atoms, or alkylaryl groups having 7 to 10,DIFFERENTIAL FLOTATION OF SULFIDE ORES FOR,Justia Patents US Patent Application for DIFFERENTIAL FLOTATION OF SULFIDE ORES FOR RECOVERING REFRACTORY GOLD Patent Application (Application #20180280992) DIFFERENTIAL FLOTATION OF SULFIDE ORES FOR RECOVERING REFRACTORY GOLD . Oct 12, 2016. A process for recovery of gold from gold-containing raw materials includes obtaining gold-containing raw materialUS20080197053A1 - FROTH FLOTATION PROCESS,,This invention relates to the pH modifier in alkaline froth flotation processes to treat oxide and semi-soluble salt ores, such as phosphates, sulfates, carbonates and halides, to increase the recovery while generally maintaining or improving selectivity, thus the grade of desired minerals. The invented pH modifier is used to replace traditional alkaline pH modifiers—hydroxides, carbonates,
US20110155651A1 - Google Patents
sulfide valuable metal flotation copper Prior art date 2009-12-04 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/960,041 Other versions US9346062B2 (en Inventor Barun Gorain Current Assignee (The listed assignees may be,US9475067B2 - Chalcopyrite ore, - Google Patents,US9475067B2 US14/907,578 US201314907578A US9475067B2 US 9475067 B2 US9475067 B2 US 9475067B2 US 201314907578 A US201314907578 A US 201314907578A US 9475067 B2 US9475067 B2 US 9475067B2 Authority US United States Prior art keywords rougher scavenger flotation cleaning concentrate Prior art date 2013-11-26 Legal status (The legal status is an assumption and is not aFroth Flotation Process - 911 Metallurgist,20.01.2021· “The single most important method used for the recovery and upgrading of sulfide ores”, that’s how G. J. Jameson described the froth flotation process in 1992. And it’s true: this process, used in several processing industries, is able to selectively separate hydrophobic from hydrophilic materials, by taking advantage of the different categories of hydrophobicity that are increased by,Why Only Sulphide Ore Is Concentrated By Froth Flotation,Froth flotation - Wikipedia, the free encyclopedia. The process was not froth flotation but used oil to agglomerate (make balls of) pulverised sulphides and buoy them to the surface, and was patented in 1898 with a descriptionIn the mining industry, the plants where flotation is undertaken to concentrate ore are generally known as concentrators or mills.Handbook of Flotation Reagents | ScienceDirect,At present, only sulfide ores are treated using a flotation method or a combination of magnetic separation/flotation or reduction roasting flotation. The nickel silicates are treated using either pyrometallurgical or hydrometallurgical methods. The reagent practice in the flotation of nickel and copper–nickel ores depends on three basic factors: mineralogy of the ore, flowsheet employed in,Establishing thE ProcEss MinEralogy of gold orEs,Silver-rich ores and copper sulfide ores: Silver-rich ores and copper sulfide ores are often free-milling, but when the silver grade is high (>10 g/t) and/or the gold is present as electrum, the processing may need to be modified. The greater reactivity of silver SGS MINERALS TECHNICAL BULLETIN 2004-03. 2 # orE tyPE ModE of occurrEncE of gold ExaMPlE 1 Placers Gold is easily liberated or has,
Styrene Phosphonic Acid Zinc Flotation
Handbook of Flotation Reagents Chemistry Theory and Practice Flotation of Sulfide Ores by Srdjan M Bulatovic ISBN 0444530290 Publisher Elsevier Science amp Technology Books Pub Date April 2007. Flotation Performances And Adsorption Mechanism Of . The micro flotation results indicated that compared with styrene phosphonic acid SPA diphosphonic acid DPA benzohydroxamic acid BHA and,Froth flotation - Wikipedia,Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic.This is used in mineral processing, paper recycling and waste-water treatment industries. Historically this was first used in the mining industry, where it was one of the great enabling technologies of the 20th century.Column Flotation Of Sulphide Ore - brunnenhaeuschen.de,13.04.2020· Kansanshi sulphide ores. the flotation work involved testing each frother at optimised flotation conditions of 60 gt frother dosage and a grind of 65 and 80 passing 150 m for the lumwana and kansanshi ores, respectively. ore preparation the ore samples were received at 100 passing 6mm sieve size. the ore samples were split, using. Flotation column1. Flotation tests were carried out in a 75 cm,Minerals | Free Full-Text | Mineral Processing and,,Fine investigated the flotation of a cerussite/pyromorphite-containing ore, including the sulfidization method with a total amount of sodium sulfide at 2.72 kg/t and potassium amyl xanthate at 0.27 kg/t. Under these conditions, cerussite was readily sulfidized and floated, while most of the pyromorphite was obtained in the tailing products. Pyromorphite can be floated from the tailings of,Molybdenite flotation from copper/molybdenum,01.11.1990· Typically, rougher molybdenite flotation and recovery from bulk copper/molybdenum concentrates involves the use of alkalisulfides, Nokes reagents, cyanides, oxidants, and/or thermal treatment to depress copper sulfide minerals. The bulk copper/molybdenum feed generally varies from 0.2% Mo to 1.0% Mo, and with traditional reagents the single-stage rougher flotation recovery ofpioneer mineral flotation cell for mine and ore - Escort,Flotation is an economical and effective separation of refined gold technology, especially for these ores that are not suitable for other processes, such as gold-bearing copper ore, base metal ore, copper-nickel ore, platinum group ore, etc. Flotation is also used to remove impurities before hydrometallurgical treatment (ie, carbon pre-flotation) to purify low-sulfide and refractory ores for,
Handbook of Flotation Reagents: Chemistry, Theory
Development and operating status of the flotation processes are relative to the nonmagnetic iron ores. The interest in the iron ore flotation began in the late 1930s and continues to the present day. There are several processes developed for the beneficiation of iron ores. In a number of cases, the combination of magnetic separation and silica flotation from magnetic concentrate is practiced,fine quarry secondary copper ore flotation cell - Escort,Dec 01, 2011 · The Eh during flotation was similar for the two ore types as well, being about 250 mV (SHE) after the dilution of pulp by water and the addition of the collector in the flotation cell. When cyanide soluble Cu and insoluble Cu are considered, the flotation behavior of chalcopyrite and chalcocite from the two copper ores may be examinediron ore cu zn pb plant on jigs disk filter gold ore,,3.This iron ore slurry is pumped to the agitation tank. This iron ore slurry is finally pumped to the flotation machine with the fine sulfide ore (~-0.074 mm) going to froth flotation cells for recovery of iron. 4.In magnetite processing plant,the process of flotation separation is replaced by magnetic separationnew cylinder external gold ore flotation cell to overseas,,new cylinder external gold ore flotation cell to overseas. vijayalakshmi gold flotation cell machines bagulawada m enterprise to provide the Turn-key Solution for Mineral Processing Plant with 2000 served mine projects, 500 mineral processing EPC+M+O projects, 70 kinds of ores mining technologies and experience and 112 patents, Xinhai has established multiple overseas offices in Asia, South,Mining Industry Ores Flotation Machine With Rtifie,Mining industry copper sulfide ore and flotation process jul 09, 2019(6) copper cobalt ore copper mineral and cobalt containing pyrite and other cobalt minerals. (7) arsenic sulfide copper ore the ore has a high content of arsenic, which is mainly in the form of arsenopyrite. morethere ; Gold Mining Machine With Flotation Frothing,Gypsum Gold mining with flotation frothing. gold mining,Copper Projects - ALTA Metallurgical Services,Copper Blow Copper-Gold Flotation Project - NSW - Australia - Silver City Minerals - Supervision of Preliminary Testwork (2018) Review of Process Options and Metallurgical Testwork for Copper Project - Australia - Confidential Client (2014) Processing Options for Copper Prospect in North America - Bolitho Mining – WA – Australia (2014) Highway Reward Mine Water Water Treatment – QLD –
