Valves
HP Engineering Case Histories: Case 71: Statistical visual data can be useful in troubleshooting—Part 1
I’ve spent many years troubleshooting equipment, along with investigative research. In research-statistical design, data analysis is frequently used when test information is available. This artic..
HP Innovations: Innovations
Neste Oil makes progress on microbial oil plantFinland’s Neste Oil recently completed the first phase of a pilot plant for producing microbial oil. The €8 million plant is expected to be com..
HP Engineering Case Histories: Case 70: Twenty rules for troubleshooting
In previous Engineering Case History columns, I have discussed checklists and their value in avoiding errors during startups. While the rules cannot replace common sense or a logical and methodical ap..
HP Automation Safety: ‘Sticktion’: A dangerous failure mode
I set a wet glass on the old wooden kitchen table at our home. It sat there all night. The next morning, when I went to grab the glass, it stuck to the table. Yes, this event has happened before. But,..
HP Impact: The modern world of steel
The World Steel Association recently published the 2012 edition of “World Steel in Figures.” This study provides essential facts and statistics about the global steel industry, including inf..
HP Innovations: Innovations
PCHEs boost power from waste heatHeatric recently supplied Echogen Power Systems Inc. with Printed Circuit Heat Exchangers (PCHEs) for Echogen’s Supercritical CO2 (ScCO2) power generation cycle. ..
Fine-tune relief calculations for supercritical fluids
Improvement in process simulation can assist in relief load and valve sizing.
Update on valves used in hydrogen service
Recommended practices can better scrutinize performance issues such as design, packing and metallurgy to mitigate failures.
Control moisture problems in slurry-based polyolefin operations
Proper moisture removal from the polymerization-reaction medium is key to successfully operating a HDPE plant designed on low-pressure, slurry-process technology.
HP Innovations: HPInnovations
IVD vacuum vessel aids in corrosion prevention   Fig. 1. The IVD vacuum vessel   applies aluminum coatings for   corrosion protection.  Thermal processing systems manufac..
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