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Behind the invention of process, an innovative mind of a washerwoman was involved. One day, while washing a miner's overall coats, she noticed that dirt similar to sand fell to the bottom of …
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Various types of the flotation process exist, being tested at different scale and hence, the respective terminology, i.e., ion, precipitate, adsorbing colloid, froth, , sorptive, …
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US20100044280A1 US12/162,104 US16210407A US2010044280A1 US 20100044280 A1 US20100044280 A1 US 20100044280A1 US 16210407 A US16210407 A US 16210407A US …
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the flotation process requires the profound understanding of the physics of sub- processes, and, primarily, the elementary act of flotation. Any model, which to a ...
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This chapter reviews some aspects of the significance of flotation during its early days, and partic-ularly the development of the understanding of how flotation separations can be made by the utilization of chemical reagents that interact …
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The invention discloses a flotation method for efficiently purifying phosphogypsum, and relates to the technical field of phosphogypsum treatment. Pumping phosphogypsum from a filter of a …
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To be able to accomplish this process requires certain things to happen. First the mineral must remain in suspension. ... Here is a page about the invention of froth flotation as it …
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The present invention relates to a process for improving or stabilizing a froth. The process is suitable for use in an improved froth flotation process. ... The goal of a flotation …
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Introduction. Flotation is a separation process of particles using bubbles which are commonly used in mineral processing, plastic recycling, wastepaper deinking, and wastewater treatment …
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This invention generally relates to an improved flotation apparatus and process for purifying a stream of effluent by forming a separable, buoyant floc out of the waste matter suspended in …
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The present invention discloses a flotation process for quartz tail sand and a special floatation collecting agent of the process. The floatation collecting agent provided by the present …
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This chapter gives an overview of the flotation process, its background, the equipment used and the important role it plays in the recovery of precious materials from waste.
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History. William Haynes in 1869 patented a process for separating sulfide and gangue minerals using oil and called it bulk-oil flotation.The modern froth flotation process was invented in 1901 …
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The invention discloses a beneficiation activator for lepidolite flotation process, which is used for flotation of lepidolite concentrate from tantalum and niobium tailings. The mineral processing …
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Critical assessment of a century of innovations in and impact of flotation chemicals/chemistry. Five distinct historical periods of progress in flotation reagents identified. …
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The development of flotation as a major industrial process occurred during three main time periods. During 1860 to 1900, small-scale attempts were made in industry to float or agglomer …
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Introducing a porous brick with compressed air, and a mechanical stirring mechanism, Callow applied for a patent in 1914. This method, known as Pneumatic Flotation, was recognized to …
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The present invention is a process for the recovery of mineral values by froth flotation comprising subjecting a particulate ore, which contains silica or siliceous gangue and is in an aqueous …
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CA2066426A1 CA002066426A CA2066426A CA2066426A1 CA 2066426 A1 CA2066426 A1 CA 2066426A1 CA 002066426 A CA002066426 A CA 002066426A CA 2066426 A CA2066426 A …
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flotation, in mineral processing, method used to separate and concentrate ores by altering their surfaces to a hydrophobic or hydrophilic condition—that is, the surfaces are either repelled or attracted by water.The flotation process was …
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The instant invention provides a method and apparatus to improve the treatment capacity in the flotation process and to reduce the cost of equipment improving the dehydration of the …
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The present invention provides a process that employs both non-selective flotation and oxidative leaching of the resulting concentrates to recover an increased amount of copper from porphyry …
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The general procedure used in the process of the invention is a conventional froth flotation procedure in which the ore is first ground to relatively fine particles, water is added to form a …
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A potent factor in the history of flotation has been the psychology of the persons concerned in the invention, improvement, and application of the process. To understand the scanty and contradictory literature of the subject it …
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The present invention relates to an improved process for beneficiating an ore. In particular, the process is useful for beneficiating ores and recovering metal values such as gold, copper, …
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the activator may be added to the mixture in amounts ranging from 1 g activator per ton of ore to 1000 g activator per ton of ore to be processed, typically amounts ranging from 5
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A dissolved gas flotation apparatus and process for removing oils and other contaminants from produced water generated in the production of crude petroleum and natural gas. The invention …
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The early history of flotation can be traced in the following books:-Google Scholar Hoover, T.J. Concentrating Ores by Flotation. Mining Magazine, London, 1912. Google Scholar Rickard, …
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Flotation, in its latest phase, is a process of concentrating ores by frothing. When crushed ore, previously mixed with water and a relatively minute addition. ... BULK-OIL …
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Flotation, the metallurgical process of separating metal-bearing minerals from waste, is not celebrated or well known, but could be argued is one of the defining technologies of the modern...
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