Acid Gas Removal

Replan: Modernizing Brazil’s largest crude oil refinery

Perissé, J. B., Petrobras

The project included installing two hydrodesulfurization (HDS) units for the cracked naphtha produced by two catalytic cracking units, a coker naphtha hydrotreating (HDT) unit, and a catalytic reforming unit.

HP Viewpoint: US shale revolution set to spill over into downstream

England, J., Deloitte LLP; Mittal, A., Deloitte Services LP

The US shale boom is rapidly changing from an upstream story to a broader energy evolution with increased margins migrating to midstream and, more particularly, to downstream. In downstream oil, disco..

Manage hydrogen sulfide hazards with chemical scavengers

Kenreck, G., GE Water & Process Technologies

Hydrogen sulfide (H2S) and its associated hazards are well known in the oil and gas production and refining industries. Legislation has been in place for years, imposing strict regulations on H2S leve..

HP News

EPA: GHG emissions from refineries increase 1.6% in 2013The US Environmental Protection Agency (EPA) has released its fourth year of GHG data, with over 8,000 large facilities reporting 2013 emissions..

Increase polypropylene production via ultra-low levels of carbon monoxide—Case study

This case study investigates using ultra-low levels of carbon monoxide (CO) in propylene to increase polypropylene (PP) production. CO is a severe poison to catalyst systems for both Ziegler-Natta (Z-..

HP Petrochemicals: PVC process gets technology and control updates

McGinn, S., World Oil

KBR has formed an alliance to sell the exclusive license for JNC Corp.’s PVC process technology, which it inherited from CHISSO Corp.’s business, a pioneer in the Japanese chemical industry.

HP Industry Perspectives: More waves for marine fuels

The outlook for heavy fuel oil is not optimistic. New fuel specifications for marine bunker fuels under the International Convention for the Prevention of Pollution from Ships (MARPOL) Annex VI regula..

Two approaches to sulfur management

Thinnes, Billy, Hydrocarbon Processing Staff

Sulfur is naturally present as an impurity in fossil fuels. When the fuels are burned, the sulfur is released as sulfur dioxide—an air pollutant that contributes to respiratory problems for human..

Hydrogen perspectives for 21st century refineries

Farnand, S., Li, J., Air Products and Chemicals, Inc.; Ratan, S., Technip Stone & Webster Process Technology

As refining market trends continue to support increased demand for H2, its availability and cost are critical for many refiners, creating a tough environment for securing reliable, efficient and environmentally-friendly H2.

Choose the right metering technology for ethylene furnaces

Lieberg, M., Pihlaja, R., Emerson Process Management

An ethylene plant’s main purpose is to convert hydrocarbon feedstock, usually natural gas liquids or naphtha, into a “cracked gas” that contains ethylene and other higher value products..