Chemistry Exam > Chemistry Questions > Describe the properties of an ore which is to...
Start Learning for Free
Describe the properties of an ore which is to be concentrated by panning?
Most Upvoted Answer
Describe the properties of an ore which is to be concentrated by panni...
Properties of an Ore to be Concentrated by Panning
Panning is a traditional method used to concentrate ores by separating heavier minerals from lighter ones through the use of water and gravity. This technique is commonly used for gold and other heavy minerals, as it is a simple, low-cost, and effective method. To successfully concentrate an ore by panning, certain properties of the ore are essential. Let's discuss these properties in detail:
1. Density:
- The density of the ore is a crucial property for successful panning.
- The heavier minerals, such as gold, platinum, and magnetite, have a higher density compared to lighter minerals like quartz and feldspar.
- The higher the density of the ore, the easier it is to separate it from the lighter materials during panning.
2. Size and Shape:
- The size and shape of the ore particles also play a significant role in panning.
- Larger particles are generally easier to separate as they settle faster in the water.
- Irregularly shaped particles tend to provide more surface area for the water to act on, aiding in the separation process.
- Ideally, the ore particles should be small enough to allow for efficient separation but not too fine to be easily suspended in the water.
3. Hydrophobicity:
- The hydrophobicity or water repellency of the ore is another critical property for successful panning.
- Hydrophobic minerals tend to repel water and are more likely to adhere to the surface of the panning equipment or form clusters.
- Gold, for example, is hydrophobic and can be easily separated from the surrounding materials during panning.
4. Composition:
- The composition of the ore can affect its panning properties.
- Ores containing a high concentration of heavy minerals, such as gold-bearing ores, are more suitable for panning.
- Conversely, ores with a high concentration of lighter minerals may not be efficiently concentrated through panning.
5. Impurities:
- The presence of impurities in the ore can impact the panning process.
- Some impurities may be lighter or heavier than the desired mineral and interfere with the separation process.
- It is important to remove as many impurities as possible before panning to ensure better concentration results.
In conclusion, an ore that is to be concentrated by panning should possess specific properties such as density, size, shape, hydrophobicity, composition, and minimal impurities. Understanding these properties is essential to achieve effective separation and concentration of heavy minerals during the panning process.
Panning is a traditional method used to concentrate ores by separating heavier minerals from lighter ones through the use of water and gravity. This technique is commonly used for gold and other heavy minerals, as it is a simple, low-cost, and effective method. To successfully concentrate an ore by panning, certain properties of the ore are essential. Let's discuss these properties in detail:
1. Density:
- The density of the ore is a crucial property for successful panning.
- The heavier minerals, such as gold, platinum, and magnetite, have a higher density compared to lighter minerals like quartz and feldspar.
- The higher the density of the ore, the easier it is to separate it from the lighter materials during panning.
2. Size and Shape:
- The size and shape of the ore particles also play a significant role in panning.
- Larger particles are generally easier to separate as they settle faster in the water.
- Irregularly shaped particles tend to provide more surface area for the water to act on, aiding in the separation process.
- Ideally, the ore particles should be small enough to allow for efficient separation but not too fine to be easily suspended in the water.
3. Hydrophobicity:
- The hydrophobicity or water repellency of the ore is another critical property for successful panning.
- Hydrophobic minerals tend to repel water and are more likely to adhere to the surface of the panning equipment or form clusters.
- Gold, for example, is hydrophobic and can be easily separated from the surrounding materials during panning.
4. Composition:
- The composition of the ore can affect its panning properties.
- Ores containing a high concentration of heavy minerals, such as gold-bearing ores, are more suitable for panning.
- Conversely, ores with a high concentration of lighter minerals may not be efficiently concentrated through panning.
5. Impurities:
- The presence of impurities in the ore can impact the panning process.
- Some impurities may be lighter or heavier than the desired mineral and interfere with the separation process.
- It is important to remove as many impurities as possible before panning to ensure better concentration results.
In conclusion, an ore that is to be concentrated by panning should possess specific properties such as density, size, shape, hydrophobicity, composition, and minimal impurities. Understanding these properties is essential to achieve effective separation and concentration of heavy minerals during the panning process.
Community Answer
Describe the properties of an ore which is to be concentrated by panni...
Properties of an Ore to be Concentrated by Panning
Panning is a traditional method of gravity concentration used to separate valuable minerals from the surrounding rock or ore. It is a simple and effective technique that relies on the density difference between the minerals and the gangue (unwanted material). To successfully concentrate an ore using panning, certain properties of the ore are important. Let's explore these properties in detail:
1. Density:
The density of the ore should be significantly higher than that of the gangue. This allows the heavier ore particles to settle to the bottom of the pan while the lighter gangue particles are washed away. The density difference is crucial for effective separation.
2. Particle Size:
The ore should be crushed and ground to a suitable size before panning. The particle size plays a vital role in the efficiency of separation. Ideally, the ore particles should be relatively coarse to allow them to settle quickly. Fine particles tend to stay suspended in water for a longer time and may be lost during the panning process.
3. Mineral Composition:
The ore should contain valuable minerals that are worth extracting. These minerals should have a higher economic value compared to the gangue. Additionally, the valuable minerals should have different physical and chemical properties compared to the gangue minerals, making them easier to separate.
4. Hydrophobicity:
The ore minerals should preferably be hydrophobic, or water-repellent, to aid in their separation from the gangue minerals. Hydrophobic minerals tend to adhere to air bubbles introduced during panning, allowing them to rise to the surface of the water and be collected as a concentrate.
5. Lack of Chemical Reactivity:
The ore minerals should not react chemically with water or other substances in the panning process. Chemical reactions can alter the physical properties of the minerals, making them difficult to separate. It is important for the ore to remain stable during panning to ensure effective concentration.
6. Abundance:
The ore should be present in sufficient quantities to make the panning process economically viable. If the ore is too scarce or low-grade, it may not be worthwhile to concentrate it using panning. The abundance of the ore is a crucial factor in determining its potential for successful concentration.
In conclusion, an ore that is suitable for concentration by panning should possess properties such as high density, appropriate particle size, valuable mineral composition, hydrophobicity, lack of chemical reactivity, and sufficient abundance. These properties enable the efficient separation of valuable minerals from the gangue during the panning process.
Panning is a traditional method of gravity concentration used to separate valuable minerals from the surrounding rock or ore. It is a simple and effective technique that relies on the density difference between the minerals and the gangue (unwanted material). To successfully concentrate an ore using panning, certain properties of the ore are important. Let's explore these properties in detail:
1. Density:
The density of the ore should be significantly higher than that of the gangue. This allows the heavier ore particles to settle to the bottom of the pan while the lighter gangue particles are washed away. The density difference is crucial for effective separation.
2. Particle Size:
The ore should be crushed and ground to a suitable size before panning. The particle size plays a vital role in the efficiency of separation. Ideally, the ore particles should be relatively coarse to allow them to settle quickly. Fine particles tend to stay suspended in water for a longer time and may be lost during the panning process.
3. Mineral Composition:
The ore should contain valuable minerals that are worth extracting. These minerals should have a higher economic value compared to the gangue. Additionally, the valuable minerals should have different physical and chemical properties compared to the gangue minerals, making them easier to separate.
4. Hydrophobicity:
The ore minerals should preferably be hydrophobic, or water-repellent, to aid in their separation from the gangue minerals. Hydrophobic minerals tend to adhere to air bubbles introduced during panning, allowing them to rise to the surface of the water and be collected as a concentrate.
5. Lack of Chemical Reactivity:
The ore minerals should not react chemically with water or other substances in the panning process. Chemical reactions can alter the physical properties of the minerals, making them difficult to separate. It is important for the ore to remain stable during panning to ensure effective concentration.
6. Abundance:
The ore should be present in sufficient quantities to make the panning process economically viable. If the ore is too scarce or low-grade, it may not be worthwhile to concentrate it using panning. The abundance of the ore is a crucial factor in determining its potential for successful concentration.
In conclusion, an ore that is suitable for concentration by panning should possess properties such as high density, appropriate particle size, valuable mineral composition, hydrophobicity, lack of chemical reactivity, and sufficient abundance. These properties enable the efficient separation of valuable minerals from the gangue during the panning process.
|
Explore Courses for Chemistry exam
|
|
Describe the properties of an ore which is to be concentrated by panning?
Question Description
Describe the properties of an ore which is to be concentrated by panning? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Describe the properties of an ore which is to be concentrated by panning? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Describe the properties of an ore which is to be concentrated by panning?.
Describe the properties of an ore which is to be concentrated by panning? for Chemistry 2024 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about Describe the properties of an ore which is to be concentrated by panning? covers all topics & solutions for Chemistry 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Describe the properties of an ore which is to be concentrated by panning?.
Solutions for Describe the properties of an ore which is to be concentrated by panning? in English & in Hindi are available as part of our courses for Chemistry.
Download more important topics, notes, lectures and mock test series for Chemistry Exam by signing up for free.
Here you can find the meaning of Describe the properties of an ore which is to be concentrated by panning? defined & explained in the simplest way possible. Besides giving the explanation of
Describe the properties of an ore which is to be concentrated by panning?, a detailed solution for Describe the properties of an ore which is to be concentrated by panning? has been provided alongside types of Describe the properties of an ore which is to be concentrated by panning? theory, EduRev gives you an
ample number of questions to practice Describe the properties of an ore which is to be concentrated by panning? tests, examples and also practice Chemistry tests.
|
|
Explore Courses for Chemistry exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup