The new flotation promoter (PGS) was synthesized with natural cottonseed oil and industrial by-products, and the new emulsified flotation agent (ZFC) for coal was prepared by 3% PGS promoter, 27% diesel oil and 70% water. The ZFC and diesel oil were used as collector to do the flotation rate experiments with two 1/3 coking coal samples, and first-level flotation dynamics …
The flotation coal sample is 150 g. After stirring the coal sample and clean water in the flotation tank for 2 minutes, add a certain amount of collector to the slurry, mix thoroughly for 1 minute, and add a certain amount of ing agent; after stirring for 10 s Start ing, and stop ing after 3 minutes of flotation.
A process for the froth flotation separation of phosphate containing minerals by the use of a new collector agent is described. The new phosphate collector agent is prepared by mixing a fatty acid, tall oil pitch, an amine, and optionally sarcosine with fuel or furnace oil, and subsequently oxidizing the mixture by known methods. The new phosphate collector agent is added to the conditioned ...
It has wide applicability to flotation and recovery of fine tungsten ore slime and is a national patented technology product. It can replace the traditional beneficiation agents 731 and 733, overcoming the shortcoming that the oxidized paraffin soap cannot withstand low temperature.
Methods of enhancing recovery of value sulfide or precious minerals from an ore containing Mg-silicate, slime forming minerals, and/or clay by crushing the ore, grinding the ore, and subjecting the ground ore to a flotation process, in conjunction with the addition of at least one monovalent ion modifier enhancing agent and/or froth phase modifier agent to the ore, are provided …
Wetting, frothing, and emulsifying agent for floating non-metallic minerals in an acid circuit. Slime flocculator. Actinol C A crude Tall Oil 40-53% Rosin Acids, 40-52% fatty acids. Undiluted liquid .5 to 2.5 Flotation of non-metallic minerals. Actinol D A refined Tall Oil 46% Linoleic, 51% oleic. Undiluted liquid .5 to 2.5
Clayey slime does not have strong flotative properties, but it tends to remain in suspension and coat mineral particles, making it difficult to obtain good selectivity during flotation. Proper deflocculation on an ore pulp and some agents to destroy the flotative property of clay improve flotation of this type of ore.
Fossil fuels such as coal. In the flotation process of slime, the factors affecting its floatability are very complex, including the floating characteristics of slime itself, and the influence of various technological conditions in the flotation process. In order to get better technical indicators, in flotation, in addition to the use of collector and ing […]
Abstract and Figures. Objective of this study is to investigate the synergistic effect of dodecylamine kerosene as a collector in the reverse cationic flotation of iron ore slime. The hematite ...
Slime coating is a significant phenomenon in froth flotation. The adverse effects of slime coating, by which a value mineral is covered by slimes and prevented from direct contact with collectors ...
Flotation method of noble metals. FIELD: mining. SUBSTANCE: invention relates to field of enrichment of minerals, particularly to separation of noble metals and sulfide minerals with associated noble metals from grinned raw materials, and can be used at flotation of sulphide copper-nickel ores and industrial products, and also other ores ...
About us. Tieling Flotation Reagent Co., Ltd. (former Tieling Flotation Reagent Factory) is an enterprise directly under central management. It is controlled by China Nonferrous Metal Mining Group. Beijing General Research Institute of Mining and Metallurgy is a shareholder of the enterprise. The company was founded in 1942.
The above are the effects of slime on lead-zinc oxide ore flotation process and solutions. Lead-zinc oxide ore often contains a variety of primary slime (kaolin, sericite, limonite, etc.) and secondary slime (slime produced in the process of crushing, grinding and transportation), which will seriously affect the flotation process of lead-zinc ore.
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In flotation production process, in order to avoid the deterioration of fine slime to the flotation process and remove the harmful effects of fine slime, we often use the following measures. Adding dispersant to reduce its impact when the fine slime is not too much.Pre-desliming …
United States Patent 9440242 ... At least one embodiment of the invention is directed to a method of enhancing the performance of frothing agent in a froth flotation separation of slurry in a medium. ... 2000, pp. 391-396 (2000), Application of novel emulsified flotation reagent in coal slime floatation, by W. W. Xie, Xuanmei Jishu vol. 2 pp ...
Xie Weiwei, Zhu Shuquan, Wang Jia, etc. " Applied research on new emulsified floatation agent to slim e floatation, " Coal Preparation Technology. pp. 13–15, April 2007. Recommended publications ...
The Kansanshi mixed copper sulfide-oxide ore contains significant proportions of fine material manifesting in a variety of processing challenges. This paper presents the work which was carried out to evaluate the efficacy of desliming in improving the flotation response of the ore. Two modes of desliming were investigated, namely; sieving and elutriation after which the deslimed material was ...
In order to improve the flotation efficiency of high ash fine coal slime, flotation column was used to study the flotation of slime in Ertang Coal Preparation Plant. Firstly, industrial analysis and sieving test of the floating slime were carried out. The results show that the flotation efficiency is the best when the collector dosage is 400g / t and the amount of ing agent is 600g / t ...
slime bulking but must be kept below approximately 5 mg/L to avoid nitrification-denitrification problems (low pH and floating sludge). The common practice of batch addition of nutrients to the aeration basin often leads to denitrification problems due to periods of high nitrate concentration (above 5 mg/L).
The global flotation agents market is segmented on the basis of type, application, and geography. The Global Flotation Agents market is estimated to be US$ XX.X Mn in 2019 and is projected to increase significantly at a CAGR of x.x% from 2020 to 2028. Flotation Agents Market Scope:
Main products are ing agent, Xanthate, hydroxamate collector, phosphorous and amine extracting reagent, copper extracting reagent, are mainly used in the flotation and separation of copper, lead, zinc, gold, silver, nickel, cobalt and other nonferrous metal sulfide ores and oxidized ores, rare earth metal ore, Co-Mo ore, Cu-Zn ore, tungsten ...
Flocculants and Floatation Agents for P2O5 are chemicals added to systems to enhance the process of flocculation, a process in which particles coagulate and settle at the bottom to give clear liquid on the top. In the fertilizer industry, flocculants Agents are typically used in mining applications and the Flocculants for phosphoric acid ...
Flotation using chelating agents is another alterna- desliming are the main affecting parameters on the Zn grade and recovery of smithsonite flotation concentrate. The contact angle tive for beneficiation of zinc oxide minerals (17,18,19,20). ... there is a drop sensitive to the slime than Zn grade. The Zn minerals lost in the in recovery (10 ...
Some slime flotation agents smell bad and have poor safety performance. Long term use will do some harm to operators. The future development of …
Gold Leaching Process. When the grinding fineness -0.074mm content is more than 90%, the pulp concentration is 40%, the lime dosage is 3kg/t, the alkali pretreatment time is 2h, CNFREE gold environmental leaching reagent dosage is 600g/t, the leaching time is 24h, the gold leaching rate can reach 96.40%pared with cyanide leaching, the ...
On one hand it confirms the depression mechanism postulated by us a few years ago (Castro et al., 2012, Castro et al., 2014), and on the other it seems to open additional alternative to prevent unwanted molybdenite depression in the flotation of Cu-Mo sulfide ores in seawater.
The current study investigated the effects of novel hybrid polyacrylamide polymers as ash (slime) depressants in fine coal flotation to enhance combustible recovery and ash rejection. Coal samples at P80 of approximately 45 um with ~25% ash content were floated in the presence of in-house synthesized hybrid aluminum hydroxide polyacrylamide polymers (Al(OH)3-PAM, or Al-PAM).
The reasons are that the cost of the flotation reagent is too high, and another is the toxicity of the flotation reagent on the environment cannot be ignored. However, in terms of tin flotation beneficiation technology itself, cassiterite flotation has made progress, especially in the area of new flotation agents, which have opened up a wider ...
US3944414A US05/511,475 US51147574A US3944414A US 3944414 A US3944414 A US 3944414A US 51147574 A US51147574 A US 51147574A US 3944414 A US3944414 A US 3944414A Authority US United States Prior art keywords treatment slime anode slime attrition flotation Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.