Engel, D.
David Engel is Managing Director of Nexo Solutions and Global Technology Leader for Exion Systems. He holds a BS degree in industrial chemistry from the University of Santiago, Chile, and a PhD in organic chemistry from Indiana University in Bloomington, Indiana. Dr. Engel has published more than 75 articles and has 18 invention patents in his name.
Improve sour water stripper unit performance via feed sour water preconditioning
Sour water stripper (SWS) units in refinery operations are often exposed to several challenges, such as corrosion, low efficiency, decreased capacity, solids fouling and equipment plugging. This article explores some of those challenges.
Analysis of semi-solid “shoe polish” material in a refinery TGTU
Amine units, and to a lesser extent tail gas treating units (TGTUs), experience occasional “shoe polish” sludge contamination.
Manage contaminants in amine treating units—Part 2: Rich amine filtration, inlet separation and amine foaming
The installation and operation of suitable separation and filtration systems have become key components of virtually all process units, especially amine units.
Managing process contaminants in amine treating units—Part 1: Lean amine filtration
Installation and operation of suitable contaminant removal systems, such as filtration, coalescing and adsorption equipment, have become key components in amine units.
Improve LPG treating via advanced amine-solvent recovery technologies
Capacity and throughput improvement in a refinery LPG treating unit are made possible by implementing an amine recovery program.
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