Pumps
HP Project Management: Pipeline expansion uses rerating to debottleneck services
The Colonial Pipeline connects refineries primarily on the US Gulf Coast with customer service markets across the southern and eastern US. In 2010, Colonial’s 5,500-mi pipeline was transporting a..
HP News
IChemE awards highest professional honor to Shell The Institution of Chemical Engineers (IChemE) awarded its highest honor to Shell in recognition of the company’s worldwide skills and profession..
Update on secondary seals for fluid machines
Elastomer-based O-rings are used as secondary sealing components in millions of fluid machines. Although O-ring seals are primarily intended for fluid containment between different but nonrotating com..
Case history: Troubleshooting a leaking valve in a hydrogen unit
A Middle East refinery installed a hydrogen plant that was designed to produce 20,000 Nm3/hr of pure hydrogen (H2) to support a diesel hydrotreater. The unit was commissioned in 2006. This H2 plant wa..
HP Engineering Case Histories: Case 80: Sudden temperature change in a centrifugal compressor
A process upset occurred that caused the gas temperature of a centrifugal compressor to increase from the design condition of Tstart = 300°F to Tinf = 600°F in t = 0.25 hours. Some engineers..
HP Viewpoint: Optimize control systems with preventive maintenance
Ensuring equipment integrity by conducting thorough maintenance provides multiple benefits, from maximizing machine uptime and minimizing process shutdowns, to prolonged equipment service life and imp..
HP Reliability: Things to know and do before starting new initiatives
HP editors frequently attend technical conferences to keep informed on the many factors impacting the hydrocarbon processing industry (HPI). The focus of these conferences often differs. However, one ..
Automate furnace controls to improve safety and energy efficiency
Furnace firing is the biggest single operating expense in any refinery. Consider a medium-size refinery (250,000 bpd) that consumes 2,000 MMBtu/h. At a cost of $5/MMBtu, that’s $87.6 MM/yr being ..
Use online conditioning to monitor electric motors
Quality and health assessments of motor insulation are important aspects during the manufacturing, as well as the operation, of electrical motors. Today, there are several offline insulation quality a..
HP Engineering Case Histories: Case 79: Integral compressor failures
Recently, the author received information regarding the failure of a large reciprocating compressor. In this example, the pistons for power and compressor cylinders are powered by the same crankshaft...
- Dow Chemical delays construction on multi-billion-dollar Path2Zero project in Fort Saskatchewan, Alberta, Canada 4/25
- Asahi Kasei, Nobian, Furuya Metal and Mastermelt commence joint project to recycle metals, signaling a milestone towards circularity in the chlor-alkali industry 4/25
- India's Delhi plans to curb gasoline car sales, ban gas-guzzling bikes to shed polluter tag 4/25
- Automakers rush to meet surging China demand for long-range hybrids 4/25
- Aster Chemicals to bid for ExxonMobil's Singapore fuel stations 4/25
- Wärtsilä, Höegh Evi and partners complete development of world’s first floating ammonia-to-hydrogen cracker 4/25
