Vallavanatt, R.

Bechtel Corp., Houston, Texas

Rimon Vallavanatt is the Senior Principal Engineer at Bechtel Corp. in Houston, Texas. He has more than 40 yr of experience in the design, engineering and troubleshooting of fired heaters, thermal oxidizers, boilers and flares. He graduated from the University of Kerala in India with a degree in mechanical engineering. He also received a degree in industrial engineering from St. Mary’s University in San Antonio, Texas. Mr. Vallavanatt is a registered Professional Engineer in the state of Texas, and has served on the American Petroleum Institute’s subcommittee on heat transfer equipment for the past 30 yr.

Revamp fired heaters with a common air-preheating system to increase capacity

Ahamad, S., Vallavanatt, R., Bechtel Corp.

In any process plant, fired heaters are generally considered to be one of the most optimally designed pieces of equipment.

Successfully design fired heaters using ultra-low-NOx burners

Ahamad, S., Vallavanatt, R., Bechtel Corp.

Recent environmental regulations mandate that refinery and petrochemical industries reduce nitrogen oxide (NOx) emissions. Emissions legislations are constantly under review, and they differ from coun..

Identify and control excess air from process heaters

Ahamad, S., Vallavanatt, R., Bechtel Corp.

Process heaters are the largest consumers of energy in most plants. A refinery, on average, burns approximately 2 billion Btu/hr of fuel in fired heaters. The total quantity of fuel burned (heat relea..