Corrosion
HP Reliability: Expect adversity, but plan for success
Consider that a major oil refinery was planning a substantial modernization project in 2008. Energy efficiency gains and the ability to process a more readily available crude slate were key motivating..
HP Engineering Case Histories: Case 73: Useful troubleshooting tools to keep at hand
Over the past 45 years, the author has pursued troubleshooting machinery and pressure vessels. It has also been the subject of this column. The troubleshooting tools used in this endeavor have been an..
Investigate power limitations in a large steam turbine
An investigation was carried out to rectify power limitations for a steam-turbine driver of a cracked-gas compressor (CGC) in a world-class ethylene plant.DescriptionThe turbine is a nine-stage, impul..
Seal safety may require going beyond typical standards
Top industry professionals believe users must reach beyond typical standards in applying safer mechanical seals when hazardous and toxic chemicals are involved.
Flare header failure: An investigation
A 60-in. flare header suffered three identical failures with buckling and cracking at the circumferential weld at the bottom of the pipe. The failures are believed to have originated during hot relief..
Select the right shaft-riding brushes for turbomachinery
Since the mid-1950s, much progress has been accomplished in the development, design and production of shaft-riding brushes for turbomachinery applications. The machinery includes steam and gas turbine..
HP Water Management: Update: Online measurement of oxidizing biocides
Nearly all owners of industrial cooling towers feed oxidizing biocides—chlorine (Cl) and bromine (Br)—to kill bacteria in the recirculating cooling water. Minimizing the populations of bacte..
Monitor and minimize corrosion in high-TAN crude processing
In addition to inhibitor dosing, intensive corrosion monitoring and analytical tests play a major role in equipment and piping health monitoring and in analyzing stream properties online.
Mitigate reactor failures due to graphitization
Graphitization occurs in carbon steel (CS) reactors in high-temperature service (> 455°C). As discussed in this case history, the shell of a methyl tertiary butyl ether (MTBE) reactor became s..
Corrosion under insulation is a hidden problem
Corrosion under insulation (CUI) is one of the costliest avoidable problems facing the hydrocarbon processing industry (HPI) today. CUI afflicts refineries—specifically, the steel piping, storage..
- Asian gasoline margin spikes to highest since August 2023 11/14
- Lukoil-Moldova grants free use of airport fuel terminal to government amid U.S. sanctions 11/14
- Croatia rejects Russian vacuum gasoil cargo after U.S. sanctions 11/14
- Bulgaria wins UK sanctions reprieve on refinery, petrol stations 11/14
- China's Sinochem shuts one crude unit at Quanzhou after fire 11/14
- Enbridge approves $1.4-B project to boost Canadian oil flows to U.S. refiners 11/14
