/industries/chemical/b/chemical-blog/posts/optimizing-the-ammonia-production-process-883391361James Gremillion Author: James Gremillion One of the earliest applications of “computer control”, a now archaic term, on an ammonia plant was done in 1969 by Weissenfelder and Shah of Borden Chemical and IBM respectively. They were able to implementen-USTelligent Community 13