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Sulfur

Reverse refining: A novel approach to the refining process

Heatoil Solutions LLC: Echenagucia, J. E.

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.

Separating from the competition: Recovering profits after the pandemic

General Atomics: Christianson, J.  |  Scalco, V.

As recovery from the COVID-19 pandemic begins, so will a return to normal life.

Show Preview: IRPC Process Technology

Hydrocarbon Processing Staff: Nichols, Lee

IRPC Process Technology: The latest advancements in process technologies

Editorial Comment

Hydrocarbon Processing Staff: Nichols, Lee

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

Fluor Daniel India Pvt. Ltd.: Chaudhuri, D.

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

Design considerations when flaring ethylene oxide

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

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

Rigby Refining LLC: Klussmann, B.

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

Exelus, Inc.: Mukherjee, M.

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.

Reducing acid consumption: Maximizing sulfuric acid alkylation unit profitability

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

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

Burns & McDonnell: Chan, E.

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