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Operations & Maintenance

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Safety Relief Valves: Installation and Maintenance

Using proper installation practices and adhering to maintenance schedules helps ensure reliable operation of safety-relief valves Safety-relief valves are critical components of any pressurized system. In fact, a functioning safety-relief valve could be the most important piece of equipment on…

CE Podcast: Andreas Eschbach, CEO of eschbach

On this episode of the Chemical Engineering podcast, senior editor Scott Jenkins is joined by eschbach Europe and North America founder and CEO Andreas Eschbach, who discusses the progress and implications of the digital transformation in the chemical process industries,…

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Traversing a Data-Powered Supply Chain

Transporting chemical products across global supply chains is complex and challenging, but data-supported technologies are helping to improve efficiency, sustainability and reliability Materials produced by the chemical process industries (CPI) are used in nearly all global product chains. According to…

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Facts At Your Fingertips: Alternating-Current Induction Motors

Alternating-current (a.c.) induction motors are widely used throughout the chemical process industries (CPI) and other manufacturing sectors to convert electrical energy into mechanical energy to power rotating equipment, such as centrifugal pumps, compressors and fans, as well as other industrial…

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Tower Doctor: A Quick Diagnosis Makes a Short Assignment

Henry Kister shares lessons learned from troubleshooting distillation towers On an assignment to troubleshoot a vacuum tower for a petroleum refinery, my team was tasked to “run simulations to determine why the heavy vacuum gas oil (HVGO) has a very…

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Materials of Construction: Stainless Steel Versus Nickel Alloys

Nickel alloys have long been the default choice for demanding applications in the chemical process industries (CPI). A new grade of stainless steel offers an alternative Demanding chemical engineering applications, such as plate heat exchangers (PHEs; Figure 1), tubing, pipes…

Facts at your Fingertips: Clean-in-Place (CIP) Systems

Cleaning equipment surfaces is critical for processes involving biological materials to prevent microbial contamination. Clean-in-place (CIP) systems play a key role. In addition to preventing contamination, CIP systems also remove grit, scale and organic matter, which may affect process performance.…

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Can Trash Interfere With a Cure?

Henry Kister shares lessons learned from troubleshooting distillation towers Construction of new production units has an undesirable byproduct: trash. Sometimes the hard question is­— Who will clean? The author was the startup superintendent on a new unit in an olefins…

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Vent Away Condensate Pump Frustrations In A Flash

The guidance provided here can help to mitigate problems occurring in pumping systems used for condensate recovery Condensate recovery is crucial to energy reduction and water conservation in a steam-using plant. It reduces effluent discharge and treatment requirements, as well…

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More Sustainable Cleaning Solutions Increase Efficiency

Processors no longer need to sacrifice efficiency or effectiveness when selecting eco-friendly housekeeping methods Commitment to environmental, social and corporate-governance programs coupled with a pandemic-induced need for more effective sanitizing are forcing chemical, pharmaceutical, food-and-beverage and other processors to reevaluate…