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Residence time in the boiler is typically two to five seconds, and the particles must be small enough for complete combustion to have taken place during this time.

The ratio of gas occupied to a particular volume is called residence time based on gas.

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Q: What is residence time of gas?
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What is the formula for calculating residence time?

The formula for calculating residence time is: Residence time = Volume of the system / Flow rate of the system. This formula helps in determining the average amount of time a substance will spend in a system or a reactor.


What is Difference between residence time and space time?

Residence time is the time it takes a particle to complete the cycle. Space time is volume of the reactor over the velocity. If the volume does not change and the velocity remains constant then Residence time = space time, however, if there is a disturbance in the reactor (i.e., change in pressure, temp, ect.), then residence time does not equal to space time.


What is the average residence time of particles in a given system?

The average residence time of particles in a system is the average amount of time a particle stays within that system before leaving.


Can you provide an example of residence time in a chemical reactor?

Residence time in a chemical reactor refers to the average time a substance stays inside the reactor. For example, if a chemical reaction takes 10 minutes to complete in a reactor with a volume of 100 liters, the residence time would be 10 minutes.


Which has the longest residence time on continents?

Methane has the longest residence time on continents among the greenhouse gases, due to its lower reactivity and slower rate of removal from the atmosphere.


What is a typical residence time for a stream in Ohio?

14 days


Is it legal to have an American residence permit and a Canadian residence permit at the same time?

No, you'll be asked to surrender one. It has happened many time before and none were successful to keep both.


What is the BTU content of natural gas delivered to a residence?

The average BTU content of natural gas delivered to a residence in the United States is around 1,030 BTUs per cubic foot. This can vary slightly depending on the supplier and location.


What is residence time of CO2?

Residence time of CO2 refers to the average amount of time a molecule of CO2 remains in the Earth's atmosphere before being removed by natural processes. It is estimated to be around 4 to 5 years.


How do you calculate the mean residence time in a system?

To calculate the mean residence time in a system, you divide the total amount of time a substance spends in the system by the total amount of that substance in the system. This gives you an average time that the substance remains in the system before leaving.


What is an example of a residence time calculation in a chemical reactor?

An example of residence time calculation in a chemical reactor is determining the time it takes for a reactant to completely react inside the reactor. This calculation helps in optimizing the reactor design and process efficiency.


How do you calculate residence time in a system?

Residence time in a system is calculated by dividing the total volume of the system by the flow rate of material entering or leaving the system. This gives you the average amount of time that a substance remains in the system before exiting.