Valves
HP Automation Strategies: Energy management lessons from Europe
ARC Advisory Group research indicates that, by applying appropriate energy management measures, energy-intensive companies can reduce their energy consumption by 30% to 40% over a 15-year timespan. Th..
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 News
Refining capacity in the US increases slightly At the beginning of 2014 in the US, there were 139 operating refineries and three idle refineries with total atmospheric crude oil distillation capacity ..
HP Innovations
Small-capacity SRUs available for petchemsPrincipal Technology offers sulfur recovery units (SRUs) (Fig. 1) specifically designed for small-capacity petrochemical plants. The SRUs are available in nam..
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 ..
HP News
 Irving Oil refinery begins $60-million turnaroundA major turnaround is underway at Irving Oil’s refinery in Saint John, Canada. It began in early March and is expected to last until mid-Ap..
Continuous corrosion monitoring enhances operational decisions
Operators with permanently-installed continuous corrosion monitoring systems have better understanding of the corrosion and erosion rates occurring within their facility.
Reduce moisture intrusion in pipes, tanks and other equipment
Once water enters the system, even at high temperatures, the insulation system can retain large quantities of water. That can then lead to accelerated heat gain or loss.
Keep liquid analysis invisible in refineries
The hidden heroes of hydrocarbon processing plants are the liquid analyzers, especially the pH and conductivity loops. Unlike their flashier cousins in gas analysis, these analyzers operate behind the..
Address inlet pressure loss concerns with restricted lift relief devices
For the past 30 years, standard-sized relief devices have been sized such that it is difficult to meet the installation criteria in American Petroleum Institute (API) standard (STD) 520. This problem ..
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