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Cost Engineering: Integrating Technology and Economics

The Process Synthesis Model presented here is a methodology that integrates technology and economics, thereby improving process design and reducing costs Broadly, the chemical process industries (CPI) are comprised of companies in the chemical, petroleum refining, pharmaceutical, household and personal-care…

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Industrial Crystallization for the CPI

This overview presents the traditional and emerging types of continuous crystallizers Crystallization is an important technique for the purification of solids in the chemical process industries (CPI). The operation can be performed batchwise or in continuous operation, and is used…

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Confronting Issues in Industrial Crystallization

Reliable information about industrial crystallization can be difficult to find and to apply to new situations. The work process outlined here will help engineers approach crystallization challenges Project and plant engineers frequently face issues with crystallization processes, but often possess…

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Feeder Design for Solids Handling

Processes involving the movement of bulk solid materials require careful consideration of the feeder equipment design, including how the feeders work with various bins and hoppers The importance of feeder design in maintaining reliable material flow in solids handling processes…

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Choosing Agglomeration Equipment

A product’s intended use often dictates what type of agglomeration equipment should be used. Presented here is a discussion of the main types of equipment and methods for forming agglomerates Agglomeration is the process of converting fine powder particles into…

Drones Take to the Skies in the Chemical Processing Industries

Drones are quickly entering the chemical processing space as more companies begin to embrace their use for inspection and monitoring tasks There is no doubt that drones, or unmanned aerial vehicles (UAVs), hold many promising opportunities for the chemical process…

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Dry-Tray Pressure Drop of Sieve Trays Revisited

Data points from literature are refined into a single correlation defining dry-tray pressure drop in sieve trays The sieve tray has been in the marketplace as a distillation device for many decades. It has been used extensively on distillation tray…

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Activated Carbon: Fundamentals and New Applications

Activated carbon sorbents are important tools in water purification and air-pollution control. This article provides information on the fundamentals of this diverse sorbent and on new applications for which it is being employed Global sustainability trends are creating increased demand…

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Implementing an ‘Integrity Operating Window’ Program

An effective Integrity Operating Window (IOW) program — which establishes safe operating limits and acceptable limits of process variation before an asset begins to degrade — can help operators stay ahead of potential repairs and reduce risk A comprehensive asset-integrity…

Batch Drying With Vacuum Contact Dryers

Drying is a demanding unit operation where solvents need to be removed without altering product chemistry. Vacuum dryers are essential pieces of equipment for accomplishing this task Drying solids is a demanding task that requires both knowledge of process technology…