Comparing DNBP replacement options in styrene production
The manufacturing of styrene commonly uses 2,4-dinitro-6-sec butylphenol (DNBP) as a retarder to protect against styrene polymer formation.
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The Authors
Ondyak, J. - Dorf Ketal, Houston, Texas
James Ondyak is Global President of Refining and Petrochemicals for Dorf Ketal, focused on new technology introductions. Prior to Dorf Ketal, he worked for Nalco
for 20 yr, where he was Division President and Vice President of global marketing. Mr. Ondyak received an MS degree in chemical engineering from Illinois Institute of Technology, and an MBA degree from Harvard Business School.
Noland, J. - Dorf Ketal, Houston, Texas
James Noland is the General Manager of Refining and Petrochemicals–North America for Dorf Ketal. He has 20 yr of experience in risk management, process engineering and specialty chemical sales and service for the refining and petrochemical industries. Before joining Dorf Ketal, Mr. Noland was the Process Engineering Team Leader for ConocoPhillips at the Borger refinery, and held technical, sales and management roles in CPI and refining for Nalco. He holds
a BS degree in chemical engineering from Mississippi State University.
Ramaswamy, P. N. - Dorf Ketal, Houston, Texas
P. N. Ramaswamy is the Global Technical Director for Dorf Ketal. He has been involved with designing chemical treatment programs for olefins plants, reactive monomer plants and refineries since the inception of Dorf Ketal. In his 25 yr of experience, he has been involved in technology selection, troubleshooting, trials and profit improvement programs at chemical plants around the world. Mr. Ramaswamy’s focus is the introduction of new product technologies for Dorf Ketal clients.
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