Voices: Plant InSites

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Squelch Separator Snafus

Despite the consequences of poor drum performance, many engineers do not fully understand the basic assumptions often built into separator sizing. Basic drum sizing has three ...
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Rainwater systems

Troubleshooting Chemical Plant Rainwater Systems

Rainwater networks are often old, poorly documented (if at all), subjected to unseen wear and tear and lacking in comprehensive maintenance. Keep the following complications in...
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Project Management: Workflows Matter

Effective communications and verifications are essential for project success
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Use HAZOPs Properly

A hazard and operability study (HAZOP) mostly is a safety design check, not a design development review. Making and finalizing major design choices should occur long before a ...
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Pump Reliability Service

Optimizing Pump Reliability in Continuous Operation Plants

Factors to consider for ensuring pump performance and resilience in chemical facilities
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Shutterstock 1643787379

Heat Exchanger Solutions for Extreme Operating Ranges in Chemical Facilities

A chemical processing plant’s innovative approach to adapting a heat exchanger for extreme operating-rate ranges
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Shutterstock 1408779227

Project Management: Master The Art Of Early Ordering

Early purchasing is done when time is critical. Experienced engineers are required to balance factors and make quick decisions to reduce time from concept to execution.
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Close-up Look at T-Junction Mixing for Gases

In the right conditions, a simple T-junction mixer can be an effective way to mix gases. Here, we look at the many variations.
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Seeing is Believing: Field Test Vacuum Systems for Accurate Troubleshooting

Don’t rely on ‘experienced-based’ estimates to identify critical operating issues in chemical process facilities.
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Shutterstock 412496602

Waste Gas Recovery Systems Reduce Emissions, Improve Energy Efficiency

A reliable configuration will improve energy efficiency and reduce CO2 emissions
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Fight Foam Accumulation

This month’s Plant InSites column explains the struggle of accumulation of foam in chemical storage, and how one company addressed the issue.
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Are TEMA Fouling Values Still Relevant?

Traditional approaches to measuring heat exchanger fouling may be a recipe for equipment failure.
Vacuum System

Mind Equipment Modifications

Care should be taken when adding parallel equipment to make sure that adequate flow happens in all paths.
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Processing Equipment: Are Guarantees Worthwhile?

Aug. 24, 2022
The comfort they provide can come at considerable cost and complexity
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Fluid Handling: Don’t Push Piping Flow Too High

Understanding velocity limits to prevent erosion and corrosion is crucial
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Fluid Handling: Stop Slug Flow

The Froude number can offer important insights
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Piping Tips: Use Your Head With Headers

Carefully consider the consequences of configuration on flow distribution
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Fluid Handling: Are You Playing Vacuum-System Roulette?

Feb. 1, 2022
Combining condensate drain lines always is a gamble
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Fluid Handling: Effectively Purge Lines

Jan. 19, 2022
Follow some proven pointers for getting rid of loose materials
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Don’t Rely On Hydraulic Capacity Calculations

Real plant conditions may vary markedly from assumptions
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Heat Exchanger: Forestall Fouling-Factor Foul-ups

Oct. 27, 2021
Accumulated errors can invalidate calculated results for heat exchangers
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Don’t Simply Blame The Piping Designer

Sept. 22, 2021
Bizarre layouts often stem from poor communications
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Equipment Troubleshooting: Do More With Mass Balance

Aug. 25, 2021
Tracking a change in inventory can result in important insights
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Maintenance: Properly Pitch Improvement Ideas

July 25, 2021
Use three questions to determine if a potential enhancement makes sense
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Don’t Skip Development Steps

June 29, 2021
Pushing technology too fast can cost a company dearly