Vallavanatt, R.
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.
Optimize transient plant operations with castable-free fired heater
Fired heaters are designed with castable refractory in various sections of the heater.
Transient analysis of fired heater coils to estimate safety time
During the operation of process fired heaters, the potential exists for sudden interruption of process flow.
Revamp fired heaters with a common air-preheating system to increase capacity
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
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
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..
- 1
- ... 1 pages
- Ketjen announces pricing adjustment for hydroprocessing catalysts effective January 15, 2026 1/9
- Germany's Uniper nears agreement to buy green ammonia from India 1/9
- Digital Exclusive—Valve maintenance: An open and shut case? 1/9
- Serbia's Russian-owned NIS refiner buys first crude since U.S. sanctions waiver 1/9
- U.S. refiner Marathon Petroleum says it will be bidding for Venezuelan crude oil 1/9
- Shell flags chemicals and products unit loss, raising doubts over $3.5 B buyback 1/8
