Sulfur

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.

Best practices for pygas-based styrene extraction

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

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

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

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

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

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.

Construction

Nichols, Lee, Hydrocarbon Processing Staff

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

FCC NOx reduction methods: Complying with regulations without capital investment

Hobbins, P., Placid Refining Co.; Blair, H., Hochheiser, T., Johnson Matthey

As fluid catalytic cracking (FCC) nitrogen oxides (NOx) emissions regulations become increasingly strict, refiners are driven to find the most economic compliance option.