Environment & Safety Gas Processing/LNG Maintenance & Reliability Petrochemicals Process Control Process Optimization Project Management Refining

Sulfur

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.

Industry Perspectives

Hydrocarbon Processing Staff: Nichols, Lee

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

Specifying internals in sour water strippers—Part 2

Trimeric Corp.: McIntush, K.  |  Farone, J. P.  |  Piggott, B. D.  |  Beitler, C. M.

Sour water stripping is a common process in petroleum refineries and other processes where hydrogen sulfide (H<sub>2</sub>S) is present.

Best practices for pygas-based styrene extraction

Sulzer GTC Technology: Liu, Z.  |  Joshi, S.  |  Ma, H.  |  Zhang, R.

Pyrolysis gasoline (pygas) is a by-produced fraction of hydrocarbons generated from a steam cracker.

Fuels and chemicals: Finding the right refinery configuration for a less predictable world

Bechtel India: Chaudhuri, S.  |  Singh, R.

The refining industry links the upstream production of crude oil with the end markets for fuel products, as well as for the petrochemical/chemical industry.

Specifying internals in sour water strippers—Part 1

Trimeric Corp.: McIntush, K.  |  Farone, J. P.  |  Piggott, B. D.  |  Beitler, C. M.

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

A compliant solution for repairing corroded acid lines with composite materials

CSNRI: Green, M.  |  Rodriguez, R.

Composite materials have been utilized for the repair of corroded or damaged piping in refineries, chemical plants and other highly aggressive operating and production plants around the world for decades.