ABSTRACT
Theproductionofsyntheticammoniabycatalyticsteamreformingofnaturalgasisa relativelycleanprocessandpresentsnouniqueenvironmentalproblems.Theenvironmentalimpactofamodernammoniaplantonair,water,andsoilisassessedinthis chapterbyexaminingeachoftheammoniaprocesssteps:desulfurization,reforming,shift conversion,carbondioxideremoval,finalpurification,ammoniasynthesis,andrefrigeration.Thesourcesofpollutantsareidentifiedandmatchedwithcost-effectivesolutions forminimization/eliminationbyusingthebestavailablepollutioncontrolmeasure.Process designconsiderationsarehighlightedalongwithfuturedevelopments.
