April 2015
Special Report: Petrochemical Developments
Use multistage integrated chilling to increase ammonia production
A new revamp approach for ammonia plants uses multistage integrated chilling (MIC). The MIC scheme provides an option that avoids expensive compressor upgrades for incremental improvements in ammonia production, with energy efficiency improvements up to 15%.
The Author
V.K. Arora is Director of process and operations at Kinetics Process Improvements Inc. He previously worked for SABIC, KBR and CB&I-Lummus as Technology Director of the refining group and Technology Manager of petrochemicals. He spearheaded the KPI team that developed and implemented a world-scale propylene derivatives complex in Saudi Arabia for the production of acrylic acid, oxo-alcohols and acrylic esters. He holds two patents relating to ammonia process improvements and a nitrogen oxide (NOx) reactor system for ethylene furnaces. He has directed several successful revamps in ammonia and methanol plants, and is a licensed professional engineer in Texas. Mr. Arora earned a chemical engineering degree from the Indian Institute of Technology (IIT) Delhi in India.
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