Environment

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.

Design considerations when flaring ethylene oxide

Suares, D. A. G., Gas Processing Consultant

The flaring of gases released from normal process vents and safety valve discharges following an overpressure scenario is widely practiced in refineries, petrochemical and chemical plants.

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.

Down with downtime: Repair complex petrochemical components with selective electroplating

Arana, T., SIFCO ASC

The volatile impact of the coronavirus pandemic hit at the same time the petrochemical industry was entering a downcycle.

A novel polymerization retarder with boosted performance and improved handling characteristics

Crom, B., Hood, D., Patel, N., Hong, M., SUEZ Water Technologies & Solutions

Styrene monomer production plants continually face a need to slow polymerization rates in the purification section of the production process to increase monomer production rates, reduce polymerization/fouling and tar formation, and protect against equipment plugging, especially in the event of unplanned shutdowns.

Specifying internals in sour water strippers—Part 1

A sour water stripper (SWS) system is a common process in petroleum refineries and other processes where hydrogen sulfide is present.