Ammonia is a chemical compound in the form of strong-smelling gas. PT Pusri Palembang Ammonia Plant is a plant producing ammonia as its primary products and carbon dioxide as side products which both are urea plant raw materials.

The raw material for Ammonia production is natural gas with the main compositions are 70% methane (CH 4) and about 10% Carbon dioxide (CO2) that Pertamina supplies. Steam is supplied from Musi River water from a certain treatment process in the Utility Plant. In the meantime, air supplied by athmosphere must be initially compressed with air compressor before use.