June 2008
Special Report: Process/Plant Optimization
How do feedstocks affect visbreaker operations?
Studies show that feedstock quality and severity on conversion impact the stability of visbreaker residue
The Authors
Dicho Stratiev is the Chief Process Engineer at LUKOIL Neftohim Burgas in Bulgaria. He joined LUKOIL Neftohim Burgas in 1990 as a Process Engineer in the catalysis laboratory of the Research Institute for Oil Refining and Petrochemistry. During his 25 yr with LUKOIL Neftohim Burgas, he has held several positions as Process Engineer on the visbreaker, vacuum distillation and FCC units. He holds an MS degree in organic chemical engineering, as well as a PhD and a DSc in petroleum refining from Assen Zlatarov Burgas University. Dr. Stratiev is the author of more than 130 articles.
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