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Haber-Bosch process

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also called  Haber ammonia process,  or  synthetic ammonia process,   method of directly synthesizing ammonia from hydrogen and nitrogen, developed by the German physical chemist Fritz Haber. He received the Nobel Prize for Chemistry in 1918 for this method, which made the manufacture of ammonia economically feasible. The method was translated into a large-scale process using a catalyst and high-pressure methods by Carl Bosch, an industrial…


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More from Britannica on "Haber-Bosch process"...
12 Encyclopædia Britannica articles, from the full 32 volume encyclopedia
>Haber-Bosch process
method of directly synthesizing ammonia from hydrogen and nitrogen, developed by the German physical chemist Fritz Haber. He received the Nobel Prize for Chemistry in 1918 for this method, which made the manufacture of ammonia economically feasible. The method was translated into a large-scale process using a catalyst and high-pressure methods by Carl Bosch, an industrial ...
>Haber, Fritz
German physical chemist and winner of the 1918 Nobel Prize for Chemistry for his successful work on nitrogen fixation. The Haber-Bosch process combined nitrogen and hydrogen to form ammonia in industrial quantities for production of fertilizer and munitions. Haber is also well known for his supervision of the German poison gas program during World War I.
>Bosch, Carl
German industrial chemist who developed the Haber-Bosch process for high-pressure synthesis of ammonia and received, with Friedrich Bergius, the 1931 Nobel Prize for Chemistry for devising chemical high-pressure methods.
>Prize for Chemistry
   from the Nobel Prizes article
The 2007 Nobel Prize for Chemistry was awarded to German chemist Gerhard Ertl, professor emeritus of physical chemistry at the Fritz Haber Institute of the Max Planck Society, Berlin, for work that explained in detail how gas molecules react on solid surfaces. As common as the rusting of iron, surface chemical reactions were important in industrial chemistry (such as in ...
>Cottrell, Frederick Gardner
U.S. educator, scientist, and inventor of the electrostatic precipitator, a device that removes suspended particles from streams of gases.

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1 Student Encyclopedia Britannica articles, specially written for elementary and high school students
Artificial Fixation of Nitrogen
   from the nitrogen article
When plants die they return nitrogen to the soil. When crops are harvested, however, nitrogen is removed and is not returned. For this reason, it is necessary to cover the soil periodically with nitrogen compounds called fertilizers. Sodium nitrate, ammonium sulfate, and the waste products of animals are substances that provide the soil with nitrogen.