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Technology Profile: Acetic Acid Production from Methanol

This column is based on “Acetic Acid Production from Methanol – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/acetic-acid-production-cost. Acetic acid (also known as ethanoic acid) is a carboxylic acid found as dilute solutions in…

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An Overview of Vacuum System Design

The design of vacuum systems deserves careful attention — there are multiple facets that affect efficiency, operability and cost Understanding vacuum and designing vacuum systems can be difficult, and there are many unique aspects that an engineer must take into…

Control Room Design for Chemical Engineers

Chemical engineers bring many essential skills to the diverse teams required for successful control room design In any continuous manufacturing plant in the chemical process industries (CPI), engineers need to consider control room architecture and design as part of their…

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Outsourcing and Offshoring Engineering and Fabrication Activities

Follow these tips to get the most out of these high-risk, high-reward, third-party arrangements Outsourcing is the subcontracting of a business function to an outside entity. The concept of outsourcing was first articulated by David Ricardo, an English economist in…

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Facts at your Fingertips: Batch versus Continuous Blending

Blending is a fundamental chemical unit operation, and there are a handful of common ways to implement it. Blending applications can be either manual or automated, and can be carried out either as a batch or continuous process. There are…

Reboiler Circuit Debottleneck with No Hardware Changes

 With a thorough investigation and proper problem diagnosis, an entire gas plant limited by a deethanizer reboiler circuit was successfully debottlenecked This article describes a case study of a gas plant (designed by others) that was bottlenecked by the reboil…

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Technology Profile: Diammonium Phosphate Production

This column is based on “Diammonium Phosphate Production – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/diammonium-phosphate-production-cost. Diammonium phosphate (DAP) ranks among the most important phosphate-based fertilizers, not only for its high nutrient content, but…

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Mixing: Impeller Performance in Stirred Tanks

Characterizing mixer impellers on the basis of power, flow, shear and efficiency Mixing has been defined as “the application of mechanical motion in order to create fluid dynamic effects that achieve a desired process result” [1]. The process result is…

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Training Today’s Workforce

Integrated console, virtual-reality simulation offers learning for maximum, measurable training efficiency Modern techniques are being used for realistic plant training for control room operators, field operators, and operations and maintenance personnel. Simulator training has been shown to result in better…

Facts at Your Fingertips: Zeolites

The physical properties of zeolites make them extremely important in many industrial processes. This one-page reference provides information on the structure and chemistry of zeolites that allows their use in the chemical process industries (CPI). Zeolite structure Zeolites are a…