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HomeAuthorsRoy, S.

Roy, S.

Saudi Aramco, Dhahran, Saudi Arabia

Decrease tube metal temperature in vacuum heaters

Hydrocarbon Processing / January 2014
Saudi Aramco: Bright, E.  |  Roy, S.  |  Ramaseshan, V.
Refining / Furnaces / Heat Transfer / Middle East

Various options for reducing the TMT of a vacuum heater, such as changing the transfer line size and adding extra surface area in the radiation and convection sections, are examined here. The best option generally depends on the limitations under which the heater operates with regard to the process requirements and the downstream equipment limitations and flexibility.

Evaluate challenges in meeting clean-fuel specifications with heavier crude

Hydrocarbon Processing / April 2013
Saudi Aramco: Al-Zahrani, S.  |  Bright, E.  |  Roy, S.
Process Optimization / Refining / Americas / Aromatics / Asia/Pacific / Biofuels / Cetane / Construction / Crude oil / Desulfurization / Diesel / Distillation / Engineering & Design / Equipment / Europe / Gasoline / Hydrocracking / Hydrogen / Hydrotreating / Information Systems / Management / Middle East / Octane / Reactors

At a Saudi Aramco refinery, a revamp was planned for processing a different crude oil blend to meet Euro 5 diesel and gasoline specifications. The refinery, which processes semi-light crude oil, is sc..

Debottleneck crude-unit preheat exchanger network inefficiencies

Hydrocarbon Processing / February 2012
Saudi Aramco: Al-Zahrani, S.  |  Bright, E.  |  Roy, S.
Refining / Crude oil / Furnaces / Heat Transfer / Middle East

Simulation models can be effectively used to optimize heat transfer and boost operational performance

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