Treating

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.

Ras Tanura: The creation of a clean-fuels complex

The primary objective of the Ras Tanura Refinery Clean Fuels Project is to enable the Ras Tanura refinery—the largest refinery in Saudi Arabia—to produce transportation fuels that will be compliant with future specifications.

Optimize the selection of sulfur unit blocks and process technology combinations

Park, G. W., Kuwait Oil Co.

Since the 1940s, the present form of the Claus sulfur recovery unit (SRU) has been successfully applied in the refining and gas processing industries.

Protect your assets and our environment

Ruitenberg, R., Nalco Water, an Ecolab company

Process cooling usually comprises the largest part of the water footprint of a refinery or petrochemical plant.