Distillation

Valero plans CDU upgrades at Port Arthur, Texas (U.S.) refinery in February

Among the improvements will be upgrades to processing of bottoms - heavy, gunky residual crude oil that is usually sent to the coker or used in asphalt.

Tales of innovative approaches for skin metal temperatures

Update: Fire extinguished at Venezuelan oil upgrader, operations halted

Incidents and outages are frequent within PDVSA's aging infrastructure, including oilfields, refineries and upgraders that are key to turning the country's extra heavy oil output into exportable crude grades.

Vacuum distillation unit ejector-condenser interplay

Retrofit hydrocarbon distillation systems using exergy analysis and product optimization: A systematic framework and application to NGL fractionation—Part 1

Temperature control strategies for distillation columns in the CPI

Idemitsu shuts 165,000-bpd Aichi CDU for scheduled maintenance

Its smaller rival Cosmo Oil, a unit of Cosmo Energy Holdings, also shut the 100,000-bpd CDU at its Sakai refinery in western Japan on August 27 for scheduled maintenance, with operations expected to resume in October.

Taiyo Oil and Mitsui Chemicals consider collaboration to expand supply of chemically recycled products

The study aims to have Taiyo Oil's Shikoku Operations handle the heavy fraction of pyrolysis oil from plastic waste, which is difficult for Mitsui Chemicals to process with its crackers. Chemically recycled naphtha, propylene and other products based on the mass balance approach will then be supplied to Mitsui Chemicals.

ExxonMobil starts up new Singapore refining unit, boosts sour crude imports

The technology combines processes to convert fuel oil and other bottom-of-the-barrel crude products into higher-value lube base stocks and distillates.

Summer diesel margins tighten with European supply shift

This summer, Europe’s increased reliance on imports from the Middle East, coupled with conflict-related disruptions to refineries and escalating geopolitical tensions, contributed to a tightened global diesel market.