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Technical & Practical

Modern Instrumentation Simplifies Maintenance

Note: This story is also available in a complimentary, full-screen version https://www.chemengonline.com/eh-modern-instrumentation-simplifies-maintenance/ Built-in diagnostics and condition monitoring improve maintenance, process reliability and plant availability Today’s modern world is steadily digitizing all our daily routines, but the majority of the chemical…

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The Role of Frequency in Radar Level Measurement

No single frequency is suitable for all applications in the CPI. Understanding the principles behind the technology will help in selecting the right device Radar has proven to be a reliable technology for level measurement in silos and tanks. However,…

Engineering Internships: A Win for Students and Companies

Insights to the benefits of internships for both students and the employing companies are discussed Internships have become an important part of the professional landscape. Both students and companies in the chemical process industries (CPI) benefit from the relationship. For…

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Facts at your Fingertips: Low-Temperature Handling

Processes involving extremely low temperatures present unique process design and safety challenges. This one-page reference outlines considerations for low-temperature operations. Direct contact Extremely low temperatures can rapidly freeze human tissue. Contact between a worker’s bare skin and a low-temperature vapor,…

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U.S. Patent Rights: Think Twice Before Disclosing Your Invention

These cautionary tales provide insight that can lead to best practices for scientists who are seeking patents for their inventions Publish or perish is a maxim in the scientific community, where scientists are encouraged to share their work quickly and…

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Protecting Instruments from Overpressure

Overpressure in a process can damage the seals in a pressure instrument’s sensor or skew the zero point. Here’s how to avoid the problem Pressure is one of the most commonly measured variables in the chemical process industries (CPI). Accuracy…

Prevent Product Release with Pressure Protection Systems

Closing off pressure upstream can minimize the need for pressure-relief systems to open, avoiding product waste and possible environmental damage Any system within a chemical process industries (CPI) manufacturing plant that is pressurized, or could experience pressure during an upset…

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Facts at your Fingertips: Convection versus Conduction Drying in Industry

Adjustment and control of moisture levels in solid materials is a critical aspect in the manufacture of many chemical products. Drying can be defined as the vaporization and removal of water or other liquids from a solution, suspension, or other…

Field Performance Testing for Centrifugal Compressors

Determining the field performance of centrifugal compressors can benefit operation and maintenance of the equipment. Presented here is an overview of the parameters that must be measured and calculated for effective testing Compressors are used in all areas of production…

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Technology Profile: Production of Polyacrylonitrile Fibers

This column is based on “Polyacrylonitrile Production – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/polyacrylonitrile-production-cost. Polyacrylonitrile (PAN) is a polymer resin mainly composed of acrylonitrile. This important acrylic resin is used in the production…