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1,2,3-Benzotriazole; Molecular formula: C 6 H 5 N 3. Molecular weight: 119: Structure: Shape: White needle-shape crystalloids、flake、powder、granular、column、fine granular: Properties: It is bitter, odorless, boiling point is 204℃ (15mmHg),soluble in alcohol, benzene、 toluene、chloroform and dimethylformamide, and slightly soluble in water. Usage: It's mainly used as rust-preventer ...
Learn MoreCopper Oxide Ore Flotation Am28/sodium Alkyl Hydroximic Acid/alkyl Hydroxyamide, Find Complete Details about Copper Oxide Ore Flotation Am28/sodium Alkyl Hydroximic Acid/alkyl Hydroxyamide,Sodium Alkyl Hydroximic Acid,Cas No.: 89-73-6,Am28 from General Reagents Supplier or Manufacturer-Luoyang Mine Friend Trading Co., Ltd.
Learn Morehavana flotation of copper slag which is good_Flotation of copper sulphide from copper smelter slag 10, 2015· Lowest copper recoveries were obtained with alkyl hydroxamate in single collector floation performance. It has been re
Learn MoreAlibaba offers 165 flotation activator products. About 8% of these are adsorbent, 4% are petroleum additives, and 4% are textile auxiliary agents. A wide variety of flotation activator options are available to you, such as coating auxiliary agents, surfactants, and petroleum additives.
Learn MoreSodium alkyl dithiophosphate, mercaptobenzothiazole (FC7245) was found to be the secondary flotation reagent that gave the best copper recoveries. AB - Namibia Custom Smelters (NCS) process a range of copper concentrates in their three furnaces, namely; top submerged lance, copper converter and reverberatory furnaces, in order to produce mattes and fayalitic slags.
Learn MoreFlotation Reagents Copper. A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further, if desired, a promoter ...
Learn MoreAbstract: Copper smelter slag and copper smelter slag flotation tailings were leached using sulphuric acid solutions, without or with the addition of either ferric sulphate or hydrogen peroxide. Copper extraction from the slag was typically found to be twice as high as that from the slag flotation tailings.
Learn MoreUs4022686a Flotation Process For Copper Ores And Copper . A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates dithiophosphates thiocarbamate esters ...
Learn More1989, 1991) tested Alkylhydroxamic acids (RI= H, and R2 = alkyl) as collectors for oxidized copper minerals as well as for rare earth minerals (Fuerstenau and Pradip 1984). Yoon et al. (1992) reported the use of hydroxamates for the beneficiation of kaolin clay while Sreenivas and Padmanaban (2002) tested it to float cassiterite. A review by Nagaraj (1988) compiled all the early research on ...
Learn MoreUS4022686A Flotation process for copper ores and copper . A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and . Get Price
Learn Morecopper flotation from converter slags dashbuilding. copper flotation from converter slags Good . copper flotation from converter slags – Grinding Mill . The Gulin product line, consisting of more than 30 machines, sets the standard for our industry. flotation reagents copper slag Quarry, Mining, .
Learn MoreA flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further ...
Learn More(ethylene glycol) alkyl ethers (CnH2n+1O(C2H4O)mH, CnEm) on the flotation performance of a model mixture of carbonaceous copper shale and quartz as a gangue material was investigated. The experiments were performed to establish a better understanding of the role of CnEm ethers in froth flotation. 2 Experimental
Learn More5-Alkyl derivatives of benzotriazole (1–12 carbon atom long alkyl chain) were tested as inhibitors of pure iron corrosion in sulphuric or hydrochloric acid at 25°C and pure copper corrosion in acidic sulphate and saline solutions at 30°C.
Learn MoreThe flotation behavior of quartz in the presence of alkyl ammonium acetates as a function of alkyl chain length has been interpreted in terms of hemi-micelle formation at the solid-liquid interface. The van der Waals cohesive free-energy that is responsible for hemi-micelle formation has been found from these results to be 1.02 kT per CH2 group. Basic Principles In 1955, the marked changes in ...
Learn More1977-5-10 · A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens ...
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Learn More(1999) Influence of the alkyl chain on the protective effects of 1,2,3-benzotriazole towards copper corrosion.. Corrosion Science 41 :6, 1205-1215. Online publication date: 1-Jun-1999.
Learn More5/10/1977· A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and further, if desired, a promoter such as kerosene, .
Learn Moredecreases the copper content in the final concentrates (Foszcz and Drzymala, 2011). Konieczny et al. (2013) showed that pre-flotation of carbonaceous matter from the copper ore is possible, however they used only one industrial frother. In this work, we investigate the influence of the type and dose of eleven different frothers on flotation
Learn More(1999) Influence of the alkyl chain on the protective effects of 1,2,3-benzotriazole towards copper corrosion. Part ii: formation and characterization of the protective films. Corrosion Science 41:6, 1217-1227. Online publication date: 1-Jun-1999.
Learn MoreUS4022686A Flotation process for copper ores and copper . A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and . Get Price
Learn MoreUS4022686A - Flotation process for copper ores and . A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens and ...
Learn MoreAlso, benzotriazole (BTA) is used as the additive for high molecular materials (polyester and polyesteramide) capacity of ultraviolet resistance and anti-static electricity, photographic antifogging agent, copper mine flotation, metal's slow corrosion, etc. CAS No.: 95-14-7. Molecular Formula: C 6 H 5 N 3. Molecular Weight: 119. Specifications:
Learn More(ethylene glycol) alkyl ethers (CnH2n+1O(C2H4O)mH, CnEm) on the flotation performance of a model mixture of carbonaceous copper shale and quartz as a gangue material was investigated. The experiments were performed to establish a better understanding of the role of CnEm ethers in froth flotation. 2 Experimental
Learn More5-Alkyl derivatives of benzotriazole (1–12 carbon atom long alkyl chain) were tested as inhibitors of pure iron corrosion in sulphuric or hydrochloric acid at 25°C and pure copper corrosion in acidic sulphate and saline solutions at 30°C. This series of compounds was more efficient in contrasting copper than iron corrosion and, generally, the longer the alkyl chain the higher the ...
Learn MoreBenzotriazole is a heterocyclic compound which in many near-neutral solutions inhibits corrosion of copper and copper base alloys. It appears to function by true chemical bonding to the metal or ...
Learn MoreBenzotriazole (BTAH) has been used as a copper corrosion inhibitor since the 1950s. However, the molecular level detail of how adsorption and surface passivation occur remains a matter of debate. BTAH adsorption on a Cu(111) single crystal has been investigated from medium coverage to multilayer using scanning tunneling microscopy (STM), temperature-programmed desorption (TPD), high resolution ...
Learn MoreAlkyl vinyl ethers, vinyl sulfides and vinyl selenides 3. Benzotriazole stabilized acyl anion synthons 3.1. Alkyl vinyl ethers, vinyl sulfides and vinyl selenides 3.2. N-[Ethoxy(aryl)methyl]benzotriazoles - aroyl anion synthons 3.3. Bis(benzotriazolyl)methane derivatives 3.4. 1-(1-Methylsulfanylalkyl)benzotriazoles 3.5. 1-(Carbazolylalkyl)benzotriazoles 3.6. Application to the synthesis of 1,6 ...
Learn More1977-5-10 · A flotation process in which copper ores or copper converter slags are ground and firstly have added thereto benzotriazole or alkyl benzotriazole as an activator and secondly one or more collectors selected from the group consisting of xanthates, dithiophosphates, thiocarbamate esters, dithiocarbamates, mercaptans and dixanthogens ...
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