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Which chemical could be used to remove the acidic sulphur dioxide from flue gases?
Wiki User
∙ 10y ago
what kind of chemical could be used to remove the acidic sulphur dioxide from flue gases
Wiki User
∙ 10y ago
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Why is it preferable to remove the sulphur in fossil fuel before burning the fuel?
Sulphur dioxide is released as a polluting gas when fossil fuels (coal, oil and natural gas) are burnt. This mixes with rain in the atmosphere and becomes acid rain, which damages crops, lakes and rivers when it falls. So removing the sulphur before burning is a great idea.
How does the ocean take carbon dioxide from the air?
Carbon dioxide dissolves in water, forming carbonic acid. Only a certain amount can dissolve, however, because at a certain point the water is saturated. So the ocean can remove a certain amount of carbon dioxide from the air (becoming more acidic in the process) but it can't remove all of the excess that has been added.
What is the purpose of limestone in the blast furnace?
The limestone decomposes to quicklime and carbon dioxide, and the quicklime removes acidic impurities (eg SiO2). So basically limestone is to remove impurities
Where does carbon dioxide go once it dissolves in the ocean?
Yes, the oceans remove carbon dioxide from the atmosphere. Because there are high levels of this greenhouse gas the oceans are becoming more acidic. This is damaging corals and preventing shellfish build strong shells.
Do autotrophs remove carbon dioxide from the air?
do autotrophs remove carbon dioxide from the air
Calcium carbonates be used to remove acidic gases from power stations?
it sure has something to do with sulphur dioxide
Who were the first people to remove sulphur dioxide from power stations?
ages a go
Is sulfur trioxide a primary or secondary pollutant?
Coal and oli contain sulphur. When either one burns, it produces sulphur dioxide. The sulphur dioxide gradually turns into sulphur trioxide which mixes with rain and becomes acid rain. It is easy to remove the sulphur in refineries or power plants.
How does limestone remove sulphur dioxide?
The lime (CaO) reacts with SO2: 2CaO (s) + 2SO2 (g) + O2(g) .........> 2 CaSO4 (s) So the sulphur dioxide is removed and deposited as calcium sulphate.
Why do you analyze sulfur in coal?
The amount of sulphur in coal is directly related to the amount of sulphur dioxide it would produce on burning and hence it becomes necessary to check sulphur content since there are emission limits on amount of sulphur dioxides that can come out since it is an air pollutant. To remove sulphur one might consider adding carbonates as it would help convert sulphur dioxide to sulphates which can be removed along with the ash.
Why is acid rain acidic?
All plants and animals must have sulphur. Coal and oil are made from old plants and animals that lived millions of years ago. They contain sulphur. Refineries can remove most of the sulphur from most of the oil turned into fuel oil or gasoline. Refineries, factories and power plants can remove the sulphur dioxide from their smokestacks. Frequently they do not. When they do not, the sulphur dioxide turns into sulphur trioxide. The Sulphur trioxide then when the sulphur trioxide runs into a cloud or a drop of water, it turns into sulphuric acid. When it falls to earth, it falls as acid rain. Acid rain is sulphuric acid falling to earth. In North Florida the rain accompanying the first cold front of the fall changed the pH of a swimming pool from 8 to 4. That indicates the amount of acid in the air over the Midwest and Midsouth of the United States. Right now technology exists to rid smokestacks of sulphuric acid.
Why is it important to remove the CO2 from the solutions before doing the titration?
It is important to remove the carbon dioxide from the solutionf before doing the titration because, carbon dioxide mixed with water is acidic, it produces an acid.
How the acid rain happens?
Coal is made from trees that died long ago and were covered with dirt that turned to rock. Coal contains the same inorganic elements as trees and in the same percentages. One of those elements is sulphur. When coal burns, it produces a lot of carbon dioxide and a little bit of sulphur dioxide. Power plants and refineries can use scrubbers to remove sulphur dioxide from smoke or they can let it go into the atmosphere. When the sulphur dioxide reaches the atmosphere, it slowly turns into sulphur trioxide. When a molecule of sulphur trioxide meets with a molecule of water vapor, it forms a molecule of sulphuric acid, an extremely powerful acid. This joins other molecules of water to create dilute sulphuric acid. This falls as rain, acid rain. Petroleum also contains sulphur but the sulphur is generally removed in the refining process.
Air is forced through the water to remove gases?
Water stripping can remove many harmful and reactive gases such as Sulphur dioxide (SO2) and sulphur trioxide (SO3) since both gases react with water and form sulphurous (H2SO3) and sulphuric acid (H2SO4). Chlorine gas can also be remove using water stripping.
Which processes in the carbon cycle decreases the amount of carbon dioxide in the atmosphere?
Plants and trees remove carbon dioxide from the atmosphere through photosynthesis. The ocean also absorbs carbon dioxide, so much now that it is becoming more acidic.
Substance that will remove sulfur dioxide?
Basically, sulfur dioxide is a acidic gas. As acid reacts with alkali, carbonates and metals, all 3 are actually ideal to remove sulfur dioxide. However, in the context of removing sulfur dioxide due to air pollution, reacting sulfur dioxide with alkali and carbonate would be more appropriate. For example, removing sulfur dioxide with calcium carbonate would result in calcium sulfate, water and carbon dioxide.
Why is it preferable to remove the sulphur in fossil fuel before burning the fuel?
Sulphur dioxide is released as a polluting gas when fossil fuels (coal, oil and natural gas) are burnt. This mixes with rain in the atmosphere and becomes acid rain, which damages crops, lakes and rivers when it falls. So removing the sulphur before burning is a great idea.
