Pitt Greenville PGV Airport Overview. Pitt-Greenville Airport PGV, a small airport covering 872 acres, serves North Carolina's Pitt County, and is only two miles from the East Carolina University. PGV Airport is located outside the city of Greenville, off Route 13 (N. Carolina 903), and easily reachable by Interstate Hwys 40 & 95.
The Haber process or Haber-Bosch process is the primary industrial method used to make ammonia or fix nitrogen. The Haber process reacts nitrogen and hydrogen gas to form ammonia: N 2 + 3 H 2 â 2 NH 3 (Î´H = â92.4 kJÂ·mol â1).
Haber invented a large-scale catalytic synthesis of ammonia from elemental hydrogen and nitrogen gas, reactants which are abundant and inexpensive. By using high temperature (around 500oC), high pressure (approximately 150-200 atm), and an iron catalyst, Haber could force relatively unreactive gaseous nitro-gen and hydrogen to combine into ammonia.