Treating

Editorial Comment

Nichols, Lee, Hydrocarbon Processing Staff

Over the past several decades, the hydrocarbon processing industry has invested heavily in new processing units to produce low-sulfur and ultra-low-sulfur (ULS) transportation fuels.

Determining the indeterminate

Chaudhuri, D., Fluor Daniel India Pvt. Ltd.; Van de Ruit, H., Fluor

Standards such as API, ASME and NFPA are applied widely in the refining industry.

A solution to the IMO 2020 MARPOL Annex VI requirement

Klussmann, B., Rigby Refining LLC

On January 1, 2020, a new requirement limiting the sulfur content of marine fuel to a maximum of 0.5 wt% went into effect.

Meeting the Tier 3 challenge with ultra-clean alkylate

Griffiths, E., KBR; Mukherjee, M., Exelus, Inc.

The U.S. Environmental Protection Agency (EPA) introduced Tier 3 gasoline sulfur standards in 2017, requiring all U.S. gasoline producers to adhere to an annual 10-ppm average sulfur limit.

Leveraging digital technologies to create the smart renewable diesel facility

Harclerode, C., OSIsoft

Many companies are modifying existing crude refineries or building grassroots renewable diesel facilities to produce drop-in, green renewable diesel from a variety of agriculturally derived triglyceride feedstocks.

Reducing acid consumption: Maximizing sulfuric acid alkylation unit profitability

Peterson, J. R., Rana, D., Ewing, R., DuPont Clean Technologies

Alkylation is a process used to produce highly branched isoparaffins from the reaction of lighter olefins and isobutane in the presence of sulfuric acid as a catalyst.

Converting a petroleum diesel refinery for renewable diesel

Chan, E., Burns & McDonnell

As refiners consider renewable, low-carbon alternatives, renewable diesel—refined from agricultural products using petroleum refinery processes—is gaining traction.

Industry Perspectives

Nichols, Lee, Hydrocarbon Processing Staff

The hydrocarbon processing industry (HPI) is steadily advancing through the energy transition.

Specifying internals in sour water strippers—Part 2

Sour water stripping is a common process in petroleum refineries and other processes where hydrogen sulfide (H2S) is present.

Construction

Nichols, Lee, Hydrocarbon Processing Staff

TechnipFMC has begun construction on Assiut National Oil Processing Co.’s new hydrocracking complex in Egypt.