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Cybersecurity Strategies for Every OT Mindset

Whether cautious or cutting-edge, operational technology (OT) teams need a balanced approach to cybersecurity — one that starts with understanding their current state, collaborating with subject matter experts and building a practical roadmap to success There can be little doubt…

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Gas-Flow Calculations for Sonic Choking: Revisited

Gas compressibility can lead to choked flow in piping systems. Presented here is an overview of choked-flow geometries in pipes, and examples of how choked flow arises in different pipe layouts The more things change, the more they stay the…

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Troubleshooting a Trayed Distillation Column

Presented here is the progress and resolution of a troubleshooting case involving a distillation column with a capacity reduction problem Troubleshooting distillation columns during operation is often the key to stable production at industrial facilities. The collection of troubleshooting references…

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Entrainment Flooding and Weeping Velocities

Weeping and flooding phenomena set the vapor velocity in industrial distillation columns. Presented here are procedures for calculating flooding and weeping velocities in a four-pass sieve-tray column In industrial distillation, the term “weeping” is primarily used when the liquid in…

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Methods for Conceptual Capital-Cost Estimation

Conceptual capital-cost estimates are important for assessing the economic viability of proposed projects, but their usefulness depends on understanding how to appropriately apply the estimates Capital cost estimates are a crucial step in order to make prudent decisions regarding any…

Cost Engineering with Previously Owned Process Equipment

This article made available to you by: Previously used process equipment can offer significant cost advantages in capital construction projects, but there are important questions to consider before pursuing pre-owned equipment Many misconceptions persist in the marketplace about secondhand equipment.…

Chemical Recycling is Essential for Plastics Circularity, but Faces Challenges

Environmental imperatives drive the development of technologies for the chemical recycling of plastic waste, but significant hurdles – including economic viability, collection logistics and feedstock complexity – need to be addressed for chemical recycling to have a larger impact Plastic…

Lithium Landscape: Activity is Charging Forward in the U.S.

Across several regions of the U.S., new lithium projects are emerging to build up a more localized supply chain Despite growing demand in the U.S. for batteries in consumer electronics and electric vehicles (EV), the vast majority of lithium extraction…

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Automatic Scraper Strainers for Wastewater Treatment

Advanced strainers are designed to offer far greater reliability than conventional options under unpredictable conditions. An industry expert provides insight into strainer use, design, selection, installation and construction Plants in the chemical process industries (CPI) have long relied on strainers…

Advanced Strategies for Wastewater Management

Managing wastewater at chemical process industries (CPI) facilities requires a tailored approach, and effective treatment promotes sustainable operations while avoiding potential regulatory penalties For many consumers and businesses, wastewater simply disappears down the drain and out of sight. However, for…