NITROGEN" FIXATION LOF 



215 



neighborhood of 1,250,000 tons of cyanamid, equivalent to a fixed 

 nitrogen content of about 250,000 tons. Based on a power require- 

 ment corresponding to 2y 2 tons of cyanamid per electrical horse- 



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power year, or 2 horsepower years per ton nitrogen fixed as cyanamid. 

 the power for this total output would be no less than one-half mil- 

 lion horsepower years. As compared to the arc process, the relative 

 power consumption for the cyanamid process per ton fixed nitrogen 

 is only one-sixth of what it is for the arc process. 



