HABER-BOSCH PROCESS

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by bernabamba
Last updated 6 years ago

Discipline:
Science
Subject:
Cycles & Processes
Grade:
10

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HABER-BOSCH PROCESS

CARL BOSCH

N2(g) + 3H2(g) <=> 2NH + 92.4 kJThe reaction is reversible and the production of ammonia is exothermic, meaning it releases energy. According to Le Chatelier’s Principle, if the temperature decreases, the mixture cools down, the equilibrium will shift to the right and this produce more ammonia and release heat from the exothermic reaction. An increase in pressure will allow the equilibrium to shift to the right where there is less moles to make more of it. A temperature must be in a moderate level to make the reaction move in a good rate. As for the catalyst, it does not have any effect on the position of the equilibrium and does not produce any greater amount of ammonia in the mixture. Its function is to speed up the reaction.

Carl Bosch, a German chemist and engineer, transformed Haber’s demonstration of a method to fix nitrogen using high pressure into an important industrial process. He studied metallurgy and mechanical engineering at Technische Hoschshule, then he started studying chemistry at Leipzig University. Later, he became a chemist at Badische Anilin-und Sodafabrik.

FRITZ HABER

Fritz Haber, a German Chemist, discovered the process of creating ammonia by nitrogen gas and hydrogen gas with iron as a catalyst. He studied and finished with a doctorate in Chemistry at University of Heidelberg. He became a professor of Physical Chemistry and Electrochemistry at Kaiser Wilhelm Gesellschaft in Berlin. Fritz Haber had also published a book on Electrochemistry.

HABER-BOSCH PROCESS

The Haber Process, which is also called Haber Ammonia process or Synthetic Ammonia process, is a reaction that involve the production of N2 from air, and H2¬ from a hydrogen source. The process takes place in a compression tank where pressure, temperature, and iron as a catalyst cause the nitrogen and hydrogen merge with ammonia. This process is called synthesis. Then, the N2, H2, and NH3 is removed from the converter, and cooled where the ammonia liquefies and collected. N2 and H2 remains gasses so they return back into the converter for a chance to react again. Ammonia is very important ingredient in making fertilizers. It was used to grow crops faster and more efficient especially when there is small amount of land to cultivate. During the Second World War, ammonia was also a very important ingredient used in developing explosives like TNT.

What key product is created and vital to farmers all over the world?The key product created and vital to framers all over the world is ammonia. It is very essential and very important in making fertilizers and it makes crops grow faster. This fertilizers generated from ammonia by Haber Process is likely to be responsible for supporting ½ of the earth’s population.

The Haber Process Equilibrium

WHAT IS HABER PROCESS?

Bernadette BambaSCH4U1Mr. McCormackMay 31, 2013


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