UPSC Exam > UPSC Questions > Consider the following statements regarding p...
Start Learning for Free
Consider the following statements regarding pyrolysis:
1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.
2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.
3. It is considered as a cleaner technology in waste management compared to incineration.
Which of the statements given above is/are correct?
- a)2 only
- b)1 and 3 only
- c)1 and 2 only
- d)2 and 3 only
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements regarding pyrolysis:1. It is the the...
Pyrolysis: An Overview
Pyrolysis is a process of thermal degradation of organic materials in the absence of oxygen, leading to the production of valuable products such as bio-oil, biochar, and syngas. Let's analyze the given statements to determine their correctness:
Statement 1:
Incorrect. Pyrolysis occurs in the absence of oxygen, not in its presence. The absence of oxygen prevents combustion and allows for the controlled decomposition of materials.
Statement 2:
Correct. Pyrolysis of carbonaceous wastes like coconut shell can indeed yield charcoal. The process involves heating the material in a closed environment to produce biochar, which can be used as a soil amendment or for carbon sequestration.
Statement 3:
Correct. Pyrolysis is often considered a cleaner technology in waste management compared to incineration. This is because pyrolysis does not involve complete combustion, which reduces the emission of harmful gases and particulate matter into the atmosphere.
In conclusion, statements 2 and 3 are correct, while statement 1 is incorrect. Pyrolysis offers a sustainable solution for managing organic waste and producing valuable by-products with minimal environmental impact.
Pyrolysis is a process of thermal degradation of organic materials in the absence of oxygen, leading to the production of valuable products such as bio-oil, biochar, and syngas. Let's analyze the given statements to determine their correctness:
Statement 1:
Incorrect. Pyrolysis occurs in the absence of oxygen, not in its presence. The absence of oxygen prevents combustion and allows for the controlled decomposition of materials.
Statement 2:
Correct. Pyrolysis of carbonaceous wastes like coconut shell can indeed yield charcoal. The process involves heating the material in a closed environment to produce biochar, which can be used as a soil amendment or for carbon sequestration.
Statement 3:
Correct. Pyrolysis is often considered a cleaner technology in waste management compared to incineration. This is because pyrolysis does not involve complete combustion, which reduces the emission of harmful gases and particulate matter into the atmosphere.
In conclusion, statements 2 and 3 are correct, while statement 1 is incorrect. Pyrolysis offers a sustainable solution for managing organic waste and producing valuable by-products with minimal environmental impact.
Community Answer
Consider the following statements regarding pyrolysis:1. It is the the...
- Pyrolysis is the heating of an organic material, such as biomass, in the absence of oxygen. It is considered as one of the most favorable and effective disposing of solid waste methods, which is an environmentally friendly and efficient way. Hence statement 1 is not correct.
- Pyrolysis of carbonaceous wastes like firewood, coconut, palm waste, corn combs, cashew shell, rice husk paddy straw and sawdust, yields charcoal along with products like tar, methyl alcohol, acetic acid, acetone and fuel gas. Hence statement 2 is correct.
- The key difference between incineration and pyrolysis is that incineration is the combustion of organic matter in the presence of oxygen whereas pyrolysis is the combustion of organic matter in the absence of oxygen.
- Issues with Incineration
- It reduces the recycling of recyclable materials because burning is easier and cheaper than recycling.
- It releases gaseous components such as carbon dioxide (CO2).
- It emits hazardous end products.
- It can lead to different health risks. x Pyrolysis is an extremely efficient ways of using biomass to produce energy, both being more efficient than incineration. These technologies are cleaner than incineration and do not pose toxicity threats. Incineration also produces a highly toxic fly ash that must be safely disposed of; leading to transportation and residential health concerns. Pyrolysis on the other hand is a cleaner processes and do not pose toxicity threats, but remain “third generation” technologies. Hence statement 3 is correct.
Attention UPSC Students!
To make sure you are not studying endlessly, EduRev has designed UPSC study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in UPSC.
|
Explore Courses for UPSC exam
|
|
Top Courses for UPSCView all
Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer?
Question Description
Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer?.
Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC.
Download more important topics, notes, lectures and mock test series for UPSC Exam by signing up for free.
Here you can find the meaning of Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Consider the following statements regarding pyrolysis:1. It is the thermal degradation of plastic and biomass waste at different temperatures, in the presence of oxygen.2. Pyrolysis of carbonaceous wastes like coconut shell yields charcoal.3. It is considered as a cleaner technology in waste management compared to incineration.Which of the statements given above is/are correct?a)2 onlyb)1 and 3 onlyc)1 and 2 onlyd)2 and 3 onlyCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice UPSC tests.
|
|
Explore Courses for UPSC 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