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3 ·Explanation Concentration by hydraulic washing requires the ore particles to have a higher mass compared to its gangue particles Hydraulic washing can be used for oxide ores of iron and tin such as haematite and tinstone and also for native ores of silver and gold Pyrolusite is concentrated by magnetic separation
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
·Cast Iron is usually extracted from its oxide ore haematite It involves the following steps 1 Concentration The ore is first crushed and crushed ore is concentrated by gravity separation; ie hydraulic washing 2 Calcination The concentrated ore is calcined ie heated strongly in limited supply of air in a reverberatoryfurnance
Hydraulic washing B Magnetic separation C Froth floatation process D None of these Open in App Solution Verified by Toppr Correct option is B Magnetic separation Was this answer helpful 0 Name the method of concentration of haematite ore
Hydraulic washing is a method of concentration of ore this method depends on the difference in the densities of the ore particles and gangue particles Similar Questions Q1 Hydraulic washing is a technique used for the concentration of ores of View Solution Q2 Hydraulic washing is used for concentration of the ore during a
· i Hydraulic Washing Principle The method is based on the difference between specific gravities of the ore and the gangue particles In hydraulic washing 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 The method is also referred as
Ore is lighter and so it comes on the surface and impurities are left behind 6 Roasting and calcination In metallurgy the process of heating a concentrated ore in the presence of oxygen is known as roasting This process is applied in the case of sulfide ores Hydraulic washing method; Q2 Distinguish between roasting and calcination
·Coarse Screw Washer Process Feed and water are introduced in the feed end of the unit Paddles and screw flights provide a moderate scrubbing and agitation This scrubbing along with rising current water breaks down and washes off light coatings and light clays Organics removal wood leaves etc The cleaned product is then conveyed to the discharge end
·Mineral washing refers to the process of scrubbing the ore cemented by clay or containing a lot of mud by hydraulic or mechanical force so that the ore is broken up and the fine mud on the
·Step by step video & image solution for Which type of ore is usually concentrated by hydraulic washing or gravity separation method by Chemistry experts to help you in doubts & scoring excellent marks in Class 12 exams
·In this process stream of running water is used to wash the powdered ore An unwanted lighter gangue particles are washed away and the heavier ores are left behind Ask Doubt on App Login Explain hydraulic washing used for ore concentration Solution in Kannada Video Solution More from this Exercise 20 videos Text Solution
·Hint Hydraulic washing is used for the ores that have tin or lead in them This is because tin and lead are heavier than the gangue particles Complete step by step answer The hydraulic separation method of concentration of ore is based on the difference in the specific gravities of the metallic ore and gangue particles
·The powdered ore is fed into a stream of running water when the lighter impurities are washed away and the heavier ore particles are left behind In order to concentrate the ores in bulk two commonly used methods of gravity separation are i Wilfley washing table ii Hydraulic classifier i Wilfley s Washing Table
·Methods of the Concentration of Ore Hydraulic Washing The smaller particles of gangue are removed from the bulkier metal ore when the ore is passed through an upstream stream of water This technique is used to enhance ores that have a higher density than the particles of gangue contained A jet of water is passed through broken and ground
Hydraulic washing is also known as gravity separation method It is based on gravity differences between the ore and the gangue particles It involves the removal of unwanted metals and gangue to purify the ore The ore is poured over a hydraulic classifier
The concentration of ore is the first step in the isolation of metals It is the removal of impurities from metal ore Based on the physical nature of metal ore different concentration methods are there like hydraulic washing leaching froth flotation and magnetic separation
5 ·Chute can also be used to wash ore The hydraulic ore washing sieve is a method of washing ore using a water gun to wash on a fixed bar sieve It is used to wash ore that is difficult to wash in China The cylindrical ore washing machine includes a cylindrical screen and a cylindrical scrubbing machine The former has a higher rotation speed
Processes in concentration of ore Hydraulic washing Hydraulic washing process is done by washing the ores with streams of water If an ore is heavier or denser than the gangue then the gangue particles are washed way with the stream Froth
Hydraulic Washing The principle of hydraulic washing lies on the concept of specific gravity of substances Gangue impurities present in the Ore is lighter while the metal ore particles are heavier The mixture is washed with running water or agitated by water The heavier metal particles settle down while the gangue containing sand or clay
Hydraulic washing; Froth floatation; Magnetic Separation; Leeching i Hydraulic Washing It is based on the principles of gravity separation where density differences between the ore and the impurities separate the ore from the impurities In this process the powdered ore is washed by a stream of running water
The process of removal of gangue particles from an ore to increase the percentage of metal in ore is called enrichment of ore The processes used for removing the impurities from ores depend on the difference between physical or chemical properties of the ore and of the impurities Methods of enrichment of ore 1 Hydraulic Washing 2
·This article discussed important procedures for ore concentration such as hydraulic washing hand picking magnetic separation leaching processes and the froth floatation method Frequently asked questions Get answers to the most common queries related to the CBSE Class 11th Examination Preparation
