Refining

Debottleneck analysis on a coker debutanizer via simulation models

Production requirements for more valuable refined products and/or increased refining flexibility are increasing due to new regulations.

Optimize product blending using Excel spreadsheets and Lingo software—Part 2

Coker, A. K., A.K.C. Technology; Alsuhaibani, A., Texas A&M University

Linear programming (LP) for blending. LP is an optimization model that can be used to good advantage despite the highly nonlinear characteristics of the fluid flow-cash flow model.

Engineering Case Histories: Case 113: The benefits of an engineering education and advanced degrees

Sofronas, A., Consulting Engineer

It has been a long time since I graduated with my engineering degrees, but I feel qualified to discuss them after many years in industry.

Editorial Comment: IRPC Process: A sincere thanks to all

Nichols, Lee, Hydrocarbon Processing Staff

Last month, Hydrocarbon Processing hosted the International Refining and Petrochemical Conference (IRPC).

Fix nozzle elevations and orientations for distillation columns

Dixit, P., Consultant

An engineering, procurement and construction (EPC) contractor receives a front-end engineering design (FEED) package or basic design and engineering package as an input document from the owner.

Why EPC firms are accelerating digitalization

Donnelly, P., AspenTech

Even before the challenges of the COVID-19 pandemic emerged, engineering, procurement and construction (EPC) firms were already under considerable stress.

Reverse refining: A novel approach to the refining process

Echenagucia, J. E., Heatoil Solutions LLC

The crude oil refining processing sequence is based on the separation of distillate products from heavier ones and concentrating the heavy molecules of the barrel for processing at the end of the refining run.

Advances in light ends processing units using DWCs

Martin, G. R., Sulzer GTC Technology

For those who have been in the refining industry for many years, it is obvious that significant changes are occurring.

Project Optimization: Improve propylene recovery at FCC and DCU gas plants with mobile industrial refrigeration

Capra, M., Aggreko Process Services EMEA

Polypropylene demand remained strong through the 2020 pandemic crisis and is booming in the Asia region, driven by strong Chinese import growth.

Analyze pressure loss during FCC standpipe catalyst transfer

Wei, P., Hongwei, Q., PetroChina Karamay Petrochemical Co.; Yansheng, L., China University of Petroleum

The fluid catalytic cracking unit (FCCU) is the primary conversion equipment for modern refineries to obtain clean transportation fuels, along with high-grade petrochemical feedstock.