In the later Haber-Bosch process (see Karl Bosch), a method of making the hydrogen from water gas and steam was added. (Water gas is a fuel gas containing about 40 percent carbon monoxide, 50 percent hydrogen, and small amounts of carbon dioxide and nitrogen, made by passing steam and air over heated coke).
The reaction, N2 + 3H2 2NH3, is exothermic, which in turn speeds up the reaction.
Related categories INDUSTRIAL CHEMISTRY
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