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How to Troubleshoot and Maintain Pressure Regulators

Following a five-step process enables better outcomes for fluid system control Most often, operators and technicians will interact with components like ball valves or needle valves when adjusting a system’s operation. However, just as important to the effectiveness of a…

Technology Profile: Bio-based Butanediol Production

This column is based on “Bio-Butanediol Production from Glucose,” a report published by Intratec. It can be found at: www.intratec.us/analysis/butanediol-production-cost. Butanediol (BDO) refers to all butylene glycol isomers. The most common isomer — 1,4-butanediol — is a versatile intermediate chemical…

Combustible Dust Fires and Explosions: Recent Data and Lessons Learned

A review of recent data from the Combustible Dust Incident Database provides insights into dust-related process safety Fires and explosions in facilities that handle combustible dust remain an ongoing focus of process safety efforts across many areas of the chemical…

Facts at your Fingertips: Temperature Measurement with RTDs

Temperature measurement is critical in many types of process equipment, including reactors, distillation columns, furnaces, heat exchangers, evaporators, boilers and more. Among the most widely used instruments for measuring temperatures in chemical process industries (CPI) operations are resistance temperature detectors…

Determination of nozzle loads to facilitate the initial pressure vessel design

In pressure vessel design, use this procedure for determining the individual permissible flange loads for joints between pressure vessel nozzles and connected pipework At the initial design stage of pressure vessels with nozzles that are provided with standard flanges according…

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Technology Profile: Benzene Production from Pyrolysis Gas

This column is based on “Benzene Production from Pygas,” a report published by Intratec. It can be found at: www.intratec.us/analysis/benzene-production-cost. Benzene is the simplest and most important industrial aromatic hydrocarbon. It is a versatile petrochemical building block, and is an…

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Avoid Common Mistakes When Specifying Burner Management Systems

While some aspects of burner management systems may seem intuitive, overcoming misconceptions in their specification and design will help to elevate overall safety Boilers, burners, furnaces and fired heaters, along with any other fuel-burning equipment, are considered high-risk areas within…

Reduce Risk and Cost with a Lifecycle Approach to Process Safety

Better upfront planning and management can lead to safer, more productive processes throughout every phase of operation A standards-based approach to process safety — one that actively addresses risks across a plant’s lifespan — can lead to safer chemical processes,…

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Facts at your Fingertips: Filtration Process Design

Designing a new solid-liquid filtration process or optimizing an existing one requires consideration of a number of factors aside from the type of filter that will be used. This one-page reference reviews two groups of considerations: one related to equipment,…

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Calculate the Wetted Surface Area of Pressure Vessels

This article provides a comparative study of two approaches to protect ASME semi-elliptical pressure tanks from overpressure in the event of a fire Calculating the wetted surface area is a crucial step to protect American Society of Mechanical Engineers’ (ASME)…