Al-Ghamdi, A. S.

Saudi Aramco, Dhahran, Saudi Arabia

Abdulaziz S. Al-Ghamdi is a hydroprocessing process engineer for Saudi Aramco. He has over 12 years of experience in the petroleum refining industry and has worked in operations, engineering and projects within Saudi Armco and Aramco JV refineries. Mr. Al-Ghamdi earned a BS degree in chemical engineering from KFUPM in Saudi Arabia, and he holds an MSc degree in chemical engineering from the University of Waterloo in Canada.

Catalyst replacement strategy for a hydrocracking unit at a Middle East refinery

A Saudi Aramco refinery operates a series-flow, single-stage hydrocracking unit (HU) in a recycle high-conversion mode. The HU has been in operation for over 35 years and is being debottlenecked to increase its throughput by 20%.