Efficiency of a power plant

In summary, the problem involves a gasification project that will use 26000 tons of coal per day to produce 250000000 cubic feet per day of natural gas. The coal is rated at 8700 BTU/lb and the gas at 950 BTU/cu ft. To calculate the efficiency, we use the formula energy output/energy input. The efficiency can be calculated by determining the energy content of the coal and gas and then plugging those values into the formula. However, there may be doubts about the accuracy of this calculation.
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Homework Statement



For a gasification project being planned, 26000tons of coal per day will be used to produce 250000000 cubic ft per day of natural gas. if the coal is rated at 8700btu/lb and the gas at 950btu/cu ft. what will the efficiency will be?

Homework Equations



efficiency = energy output/energy input

The Attempt at a Solution


i calculated the energy content of both coal and gas and afterwards calculated the efficiency. however i have my doubts if it's the correct way to answer the question.
 
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  • #2
If you don't think the efficiency calculation specified in the problem is correct, what do you suggest is the correct formula?
 

1. What is the efficiency of a power plant?

The efficiency of a power plant is a measure of how much useful energy is produced by the plant compared to the amount of energy put into it. It is usually expressed as a percentage, with higher percentages indicating a more efficient power plant.

2. How is the efficiency of a power plant calculated?

The efficiency of a power plant is calculated by dividing the energy output by the energy input, and then multiplying by 100 to get a percentage. The energy input is typically the fuel or heat source used to power the plant, while the energy output is the electricity produced.

3. What factors affect the efficiency of a power plant?

There are several factors that can affect the efficiency of a power plant, including the type of fuel or heat source used, the design and technology of the plant, the operating conditions, and the maintenance and upkeep of the plant.

4. Why is the efficiency of a power plant important?

The efficiency of a power plant is important because it directly impacts the cost and environmental impact of producing electricity. Higher efficiency means less energy is wasted, resulting in lower production costs and reduced emissions of greenhouse gases and other pollutants.

5. How can the efficiency of a power plant be improved?

The efficiency of a power plant can be improved through various methods, such as upgrading technology, improving maintenance and operation practices, and using alternative fuel sources. It is also important to regularly monitor and optimize the plant's performance to ensure maximum efficiency.

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