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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 formula for calculating residence time?
the hydraulic residence time t is given by t=V/q where V is the volume in the tank and q is the volumetric flow rate. A theoretical residence time can be given by the relationship between concentration and time ln(C)=-(t/tav) where tav in this equation is the residence time.
What is the carbon neutral equation?
CO2 generated within a given time = CO2 absorbed within a given time
Green plants do not release large amounts of co2 all the time because they use co2 in the process of?
Photosynthesis
Can plants use as much co2 in photosynthesis as provided?
for each cycle they use 6 co2 molecules, but over time, they could use it all
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 formula for calculating residence time?
the hydraulic residence time t is given by t=V/q where V is the volume in the tank and q is the volumetric flow rate. A theoretical residence time can be given by the relationship between concentration and time ln(C)=-(t/tav) where tav in this equation is the residence time.
How often is carbon dioxide cycled through the atmosphere?
Best Answer to this Q'n is: repeatedly, and as often as possible [under varying conditions]. Individual carbon dioxide (CO2) molecules spend an average of 3-4 years in the atmosphere (the residence time), before moving on as part of the carbon cycle. However, because CO2 leaving the atmosphere is offset by CO2 from natural carbon sources, it takes a lot longer than this for artificial CO2 increases to dissipate - up to a thousand years. This is called the turnover time, or the global atmospheric lifetime.
What is residence time of gas?
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.
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 the carbon neutral equation?
CO2 generated within a given time = CO2 absorbed within a given time
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.
Green plants do not release large amounts of co2 all the time because they use co2 in the process of?
Photosynthesis
From where on the Apollo 13 did the CO2 come from?
it came from the austronauts. the co2 filter was broken .every time they breathed out, they exhailed co2.although the flight control helped fix that.
What is the residence time of water in the atmosphere?
.024 years or nine days
Whose official residence is Lambeth Palace in London?
Lambeth Palace is the London residence of the Archbishop of Canterbury but he spends most of his time in Canterbury - sensible man.
