Safety
Overflow systems are the last line of defense
The overflow system is the last line of defense against the excessive container filling. An overflow system consists of an overflow nozzle with internal and/or external piping and, in some cases, a si..
North American olefin producers riding the shale gas wave
With the prospect of abundant low-cost ethane, several producers have announced intentions to build new ethylene capacity.
High-pressure polyethylene: Reemergence as a specialty chemical or not?
The analysis results indicate that, while investment capital for new plants favors LLDPE, plant profitability—which is a function of product slate (revenue) and cost—is, in many cases, higher for LDPE plants.
HPI Focus: New vs. debottlenecking projects
As most owners do not have adequately skilled engineering teams to study these scenarios, engaging an experienced, qualified engineering contractor to support the conceptual study is often warranted.
Improve coker efficiency with reliable valve automation
The case history discusses conditions occurring in delayed coker operations at two refineries in Louisiana, the impacts on valve performance, and a solution that offers extended life, better reliability and other benefits.
Take a quicker approach to staggered blowdown
The design of a reliable blowdown system for a large sour gas-processing facility is one of the most important aspects of plant design. Safe design is vital for facility operation. With the developmen..
Conceptually, accidents are a fallacy
Webster’s unabridged dictionary defines accident as “Literally, a befalling; an event that takes place without one’s foresight or expectation; an undesigned, sudden and unexpected event..
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 Reliability: Fact-checking list from recent reliability conferences
Whenever HP editors attend technical conferences, their primary goals include observing industry practices, finding facts and spotting trends. Fact or fictionUnfortunately, presenters sometimes relate..
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..
- Carbon capture tops agenda at GPAE Conference 2025 6/17
- INEOS to cease phenol production at German site, cites high European energy costs and CO2 tax policy 6/17
- Petrobras signs $892 MM in contracts to complete RNEST Train 2 refinery expansion 6/17
- China's May refinery throughput at 9-month low on plant overhauls (1) 6/17
- bp completes turnaround work at 250,000-bpd refinery in Washington (U.S.) 6/17
- Japan's Eneos restarts 77,000-bpd Kawasaki CDU after unplanned shutdown 6/17
