The combustion analysis carried out by the Orsat Apparatus renders whi...
Since the sample is collected over water, any water vapour in the flue gas would have connected during the collection process. So the flue gas analysis thus measured is on the dry basis
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The combustion analysis carried out by the Orsat Apparatus renders whi...
Combustion Analysis with the Orsat Apparatus
The Orsat apparatus is a device used for the combustion analysis of gases. It is commonly used in the field of chemical engineering and is particularly useful for determining the composition of flue gases. This analysis provides valuable information about the combustion process and helps in optimizing operating conditions.
Importance of Combustion Analysis
Combustion analysis is important for several reasons:
1. It helps in determining the efficiency of combustion processes.
2. It provides information about the composition of flue gases, which is crucial for pollution control and environmental monitoring.
3. It assists in the optimization of fuel-air ratios, leading to improved combustion efficiency and reduced emissions.
Composition Determination
The Orsat apparatus is used to determine the percentage composition of gases. It works on the principle of absorption, where different gases are absorbed by specific reagents. The remaining gas composition can then be calculated based on the amount of gas absorbed.
Percentage Composition by Volume on the Dry Basis
The correct answer is option 'B', which states that the Orsat apparatus provides the percentage composition by volume on the dry basis. This means that the analysis takes into account the volume of each gas component in the flue gas, considering it as if all the water vapor has been removed.
Reasoning
The Orsat apparatus consists of several absorption pipettes filled with specific reagents. These reagents selectively absorb certain gases while allowing others to pass through. The volume of each gas component is measured before and after passing through the absorption pipettes, allowing for the calculation of the percentage composition.
The analysis carried out by the Orsat apparatus is performed on the dry basis. This means that the water vapor content in the flue gas is excluded from the calculations. The percentage composition is determined based on the volume of dry gases present in the flue gas.
Conclusion
In conclusion, the combustion analysis carried out by the Orsat apparatus provides the percentage composition by volume on the dry basis. This analysis is essential for understanding the combustion process, optimizing operating conditions, and ensuring compliance with environmental regulations. By accurately determining the composition of flue gases, engineers and researchers can make informed decisions to improve combustion efficiency and reduce emissions.
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