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Consider the following statements about the Zero Liquid Discharge approach:
1. It is used to prevent the leaching of metals during extraction.
2. It works on the basic principle of reverse osmosis.
3. Wastewater is converted into solids for disposal.
2. It works on the basic principle of reverse osmosis.
3. Wastewater is converted into solids for disposal.
Q. Which of the statements given above is/are correct?
- a)1 and 3 only
- b)2 only
- c)2 and 3 only
- d)1, 2 and 3
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements about the Zero Liquid Discharge appr...
- Recently Union Minister for Road Transport & Highways and Minister for Micro, Small and Medium Enterprises has virtually inaugurated the additional capacity of one MLD (Millions of Liter per Day) and Zero Liquid Discharge (ZLD) system of Common Effluent Treatment Plant (CETP) at Ranipet Tannery Effluent Treatment Company Ltd (RANITEC), in Ranipet of Tamil Nadu.
- Statement 1 is not correct: It is a technique used for the treatment of industrial waters, while many water treatment processes attempt to maximize recovery of freshwater and minimize waste Zero liquid discharge (ZLD) is an engineering approach to water treatment where all water is recovered and contaminants are reduced to solid waste.
- Statement 2 is correct: It works on the basic principle of Reverse Osmosis (R.O.) by treating industrial and produced waters with high organics and solvents while maintaining membrane integrity. It is also beneficial as it results in reduced disposal costs, more water can be re-used, and fewer greenhouse gases are produced
- Statement 3 is correct: Wastewater is converted into solids for disposal. It has the potential for recovering resources that are present in wastewater. ZLD is targeted by many organisations for their waste because they can sell the solids that are produced or reuse them as a part of their industrial process By operating an in-house ZLD plant.
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Consider the following statements about the Zero Liquid Discharge appr...
The correct answer is option 'C' - 2 and 3 only.
Zero Liquid Discharge (ZLD) is an approach used to minimize water discharge by treating and recovering as much water as possible from industrial processes. Let's analyze each statement in detail to understand why option 'C' is the correct answer.
1. It is used to prevent the leaching of metals during extraction.
- This statement is not correct. The primary objective of Zero Liquid Discharge is to minimize water discharge, not specifically to prevent the leaching of metals during extraction. ZLD focuses on treating wastewater to remove pollutants and recover as much water as possible for reuse, rather than preventing the leaching of metals.
2. It works on the basic principle of reverse osmosis.
- This statement is correct. Reverse osmosis is one of the key technologies used in the Zero Liquid Discharge approach. Reverse osmosis involves the use of a semi-permeable membrane to remove dissolved salts, impurities, and contaminants from wastewater. It is an effective method for treating and purifying wastewater, making it suitable for reuse or safe disposal. Reverse osmosis plays a crucial role in the ZLD process by separating water from the concentrated waste stream.
3. Wastewater is converted into solids for disposal.
- This statement is correct. As part of the Zero Liquid Discharge approach, wastewater is treated through various processes, including evaporation and crystallization. These processes remove water from the wastewater, leading to the formation of solid waste or sludge. This solid waste can then be disposed of safely, such as in a landfill or through other appropriate methods. The ZLD approach aims to recover as much water as possible and minimize water discharge, converting the remaining wastewater into solids for proper disposal.
In conclusion, statement 2 is correct as Zero Liquid Discharge works on the principle of reverse osmosis, and statement 3 is correct as wastewater is converted into solids for disposal. Therefore, the correct answer is option 'C' - 2 and 3 only.
Zero Liquid Discharge (ZLD) is an approach used to minimize water discharge by treating and recovering as much water as possible from industrial processes. Let's analyze each statement in detail to understand why option 'C' is the correct answer.
1. It is used to prevent the leaching of metals during extraction.
- This statement is not correct. The primary objective of Zero Liquid Discharge is to minimize water discharge, not specifically to prevent the leaching of metals during extraction. ZLD focuses on treating wastewater to remove pollutants and recover as much water as possible for reuse, rather than preventing the leaching of metals.
2. It works on the basic principle of reverse osmosis.
- This statement is correct. Reverse osmosis is one of the key technologies used in the Zero Liquid Discharge approach. Reverse osmosis involves the use of a semi-permeable membrane to remove dissolved salts, impurities, and contaminants from wastewater. It is an effective method for treating and purifying wastewater, making it suitable for reuse or safe disposal. Reverse osmosis plays a crucial role in the ZLD process by separating water from the concentrated waste stream.
3. Wastewater is converted into solids for disposal.
- This statement is correct. As part of the Zero Liquid Discharge approach, wastewater is treated through various processes, including evaporation and crystallization. These processes remove water from the wastewater, leading to the formation of solid waste or sludge. This solid waste can then be disposed of safely, such as in a landfill or through other appropriate methods. The ZLD approach aims to recover as much water as possible and minimize water discharge, converting the remaining wastewater into solids for proper disposal.
In conclusion, statement 2 is correct as Zero Liquid Discharge works on the principle of reverse osmosis, and statement 3 is correct as wastewater is converted into solids for disposal. Therefore, the correct answer is option 'C' - 2 and 3 only.
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Consider the following statements about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?
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Consider the following statements about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. 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 about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. 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 about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?.
Consider the following statements about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. 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 about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. 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 about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer?.
Solutions for Consider the following statements about the Zero Liquid Discharge approach:1. It is used to prevent the leaching of metals during extraction.2. It works on the basic principle of reverse osmosis.3. Wastewater is converted into solids for disposal.Q. Which of the statements given above is/are correct?a)1 and 3 onlyb)2 onlyc)2 and 3 onlyd)1, 2 and 3Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for UPSC.
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