Process Optimization

Dual-mechanical seal arrangement for hot pump service

Zardynezhad, S., TurboTech Consulting Corp.

Selecting mechanical seals for hot services in an oil refinery or petrochemical plant is always a challenging task—and it is a task that needs careful attention, since the wrong seal selection can have a significant impact on pump reliability and availability.

Oil refinery/petrochemical integration in a CO2-constrained world—Part 1

Petrochemical demand will increase with gross domestic product, while motor fuel demand will only show modest growth and may even decline in certain regions, given environmental/legislative pressure and the introduction of battery-powered electric vehicles.

Execution features of modularization projects

Chuang, R., Fan, A., CTCI Corp.

Due to growing global environmental awareness in recent decades, the petrochemical industries have been seeking more cost-effective construction solutions.

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.

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).

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.

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.

Ethylbenzene plant debottleneck with a high-activity transalkylation catalyst

Liu, G., Tianjin Dagu Chemical Co., Ltd.; Sundararaman, R., ExxonMobil Chemical Co.; Cao, J., ExxonMobil Catalysts and Licensing

Modern commercial ethylbenzene (EB) plants use liquid-phase alkylation processes with zeolite catalysts to achieve high product yields.