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depressant in hydraulic washing of ores

Start studying Principle ores of some Important metals. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

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    What is the role of depressant in froth floatation process In froth floatation process the depressant selctively prevents one of the ores from coming to the ... of depressant in froth floatation process In froth floatation process the depressant selctively prevents one of the ores from coming to the ... Why is hydraulic washing a type of ...

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    Hydraulic washing: It is the washing away of lighter gangue particles from the heavier ore. It ... This method is used for removing gangue from sulphide ores. ‘Depressants’ are used for separating two sulphide ores. E.g., for separating ZnS and PbS, NaCN is used as the depressant.

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    Hydraulic WashingGravity SeparationLevigation The process by which lighter from CHEM 121 at Bellevue College

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    6.2.1 Hydraulic Washing This is based on the difference between specific gravities of the ore and the gangue particles. It is therefore a type of gravity separation. In one such process, an upward stream of running water is used to wash the powdered ore. The lighter gangue particles are washed away and the heavier ore particles are left behind.

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    Hydraulic Washing/ gravity separation: • Principle: This is based on the differences in gravities of the ore and the gangue particles. • In this process, an upward stream of running water is used to wash the powdered ore. The lighter gangue particles are washed away and the heavier ores are left behind.

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    Briefly explain any three procedures used in the concentration of metal ores. (i) Hydraulic Washing: in this procedure, the ore is first powdered. A stream of water running in an upward direction is now used to wash the ore which was powdered earlier. The heavy ore particles remain after the washing, whereas the gangue particles are washed away.

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    Hydraulic washing is a type of gravity separation, which is based on gravity differences between the ore and the gangue particles. In this process, the lighter gangue particles are washed away by a stream of water, leaving behind the heavier ore.

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    Sep 17, 2018 Important topics discussed in Class 12 Chemistry chapter – General Principles and Processes of Isolation of Elements, are: Occurrence of metals. Concentration of ores. Hydraulic washing ...

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    Apr 27, 2021 NCERT Solutions For Class 12 Chemistry Chapter 6: Class 12 Chemistry Chapter 6 – General Principles and Processes of Isolation of Elements is an important chapter for Class 12 students. Candidates have to practice this chapter thoroughly in order to score good marks in the subject.

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    A froth washing system, whose purpose is to separate the impurities from the froth, is attached to the top of the tank. Fig- Froth floatation column. These methods are extensively utilized for metals of low reactivity generally sulphur compounds. Sulphide ores can …

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    Hydraulic Washing: - This method is based on the differences in gravities of the ore and the gangue particles. The process by which lighter earthy impurities are removed from the heavier ore particles by washing with water is called levigation. The lighter impurities are washed away.

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    Sep 01, 2021 Concentration of ore can be done by various methods depending on the characteristics of ore and gangue. Given below are 4 methods of concentration of ore: Hydraulic Washing; Hydraulic washing is used for the concentration of ores in which there is a noticeable difference in weights of gangue and useful minerals.

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    Oct 05, 2021 Hand-picking: The ore is broken into little pieces, and the sand and mud that adheres to it are washed away by a stream of water. Hydraulic washing: This procedure is also known as levigation or gravity separation.It is based on the specific gravities of the ore and gangue particles being different. Electromagnetic separation: Magnetic ore is separated from impurities using this process.

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    depressant in hydraulic washing of ores. Dec 21, 2020 Supply Hydraulic Washing Of Ores - Rock . 2017-12-12 Hydraulic Washing Of Ores. As a global leading manufacturer of products and services for the mining industry, our company can provide you with advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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    Depressant Page 26 1.3 Concentration of ore 1. Hydraulic washing / Levigation / Gravity Saperation Method is used when the ore particles are heavier than the earthy or racky particle. The process is carried out in specially designed tables called Wilgley tables. Ex:- Oxide ore of Iron (haemelite), tin nature ore of Ag, Au etc. 2.

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    LM Vertical Mill integrates crushing, drying, grinding, classifying and conveying together, and it is specialized in processing non-metallic minerals, pulverized coal and slag. Its coverage area is reduced by 50% compared with ball mill, and the energy consumption is saved by 30%-40% similarly. Applications: Cement, coal, power plant ...

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    Hydraulic washing. aka levigation, diff in density of ore and gangue, oxide ores a) haematite b) tin stone c) native ore of au ag. Froth flotation. preferential wetting of ore by oil, gangue by water, ... depressants. prevent particles from forming the froth with air bubbled. NaCN- ZnS and PbS KCN.

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