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Chementator Briefs

Powerful permanent magnets Permanent magnets — materials that create their own persistent magnetic field — are frequently used in most types of electronics, turbines, engines and motors. Currently, nearly all powerful permanent magnets require rare-earth elements (REEs), such as neodymium…

Focus: Flowmeters

This flowmeter is designed for demanding applications Measuring volumetric flow accurately and reliably is difficult for applications where the process liquid is highly viscous, extremely abrasive, prone to plugging, at high temperature, or a combination of these conditions. In applications…

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Safeguarding the Hydrogen Economy: A Focus on Leak Detection and Mitigation

The use of fixed gas detectors can play a crucial role in mitigating the environmental impact of hydrogen leakage and help protect workers in the hydrogen value chain Governments, industry sectors and companies seeking sustainable energy sources to reduce greenhouse…

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Weighing in on Accuracy: Recent Developments in Weighing Equipment

Innovation, intelligence and automation increase precision in weighing equipment for chemical processors Accurate weighing and dosing are critical to the success of any chemical process, because they ensure product quality, safety and resource optimization. Fortunately, innovative technologies, intelligence and automation…

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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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Facts at your Fingertips: Accelerating Materials Development with AI

Advanced materials are considered to be core enablers for technologies aimed at broad global concerns, such as climate change, sustainable manufacturing, critical-materials supply chains, environmental mitigation and remediation and others [1]. The process by which novel advanced materials are designed…

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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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Conducting Hazard Reviews: A Practical Guide to Implementing Impactful Process Hazard Analyses

The insights reported here will help guide and encourage engineers in facilitating high-quality and effective hazard analyses in their facilities Undertaking and completing a well-planned hazard review might just be the best thing you ever do on a single day…

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Electrochemical Processes for the Chemical Industry

The push toward decarbonization is driving an increased interest in electrochemical processes. Here, the authors share their experience in industrializing these processes The field of electrochemistry offers a disruptive methodology to revolutionize the chemical process industries (CPI) by electrifying processes.…

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Chem Chronicles: A Look Back on 80 years of Thin-Film Evaporation

Eighty years ago, in 1944, Dr. Hans Müller from Winterthur, Switzerland filed a patent application for a device designed to process liquid substances at the Swiss Federal Institute of Intellectual Property in Bern. Liquids prone to fouling on heated surfaces,…