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Technical & Practical

Pump Sealing for Hazardous Chemicals

Pumping hazardous chemicals requires specific shaft-sealing technologies to ensure containment and reliability Hazardous chemicals are defined by the Environmental Protection Agency (EPA; Washington, D.C.; www.epa.gov) as those that are potentially harmful to human health and the environment. Existing as gases…

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Technology Profile: Production of 2-propylheptanol

This column is based on “2-Propylheptanol Production Process - Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/2-propylheptanol-production-cost. Also known as 2-PH and 2-propylheptyl alcohol, 2-propylheptanol is a branched fatty alcohol, primarily used in the production…

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Air Movers for Dilute-Phase Pneumatic Conveying

Selecting the best air mover for a bulk-solids pneumatic-conveying application is a critical design decision. Provided here is information on three classes of air movers when dilute-phase pneumatic conveying is required In a typical bulk-solids pneumatic-conveying system, an air mover…

Facts at your Fingertips: Solids Friction in Bins and Hoppers

To avoid problems with solids flow in bins and hoppers, the friction between the equipment walls and the flowing solids is an important factor to understand. Provided here is a review of flow patterns in bins and hoppers, and practical…

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A Primer on Reciprocating Metering Pump Technologies

Understanding what technology is available is a first step towards selecting the right pump for metering applications Reciprocating metering pumps are problem solvers for difficult fluid-handling tasks and applications. Their main function is the metering of a precise fluid volume…

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Technology Profile: Ethanolamines Production from Ethylene Oxide and Ammonia

This column is based on “Ethanolamines from Ethylene Oxide and Ammonia – Cost Analysis,” a report published by Intratec. It can be found at the following URL: www.intratec.us/analysis/monoethanolamine-production-cost. Ethanolamines are a family of compounds that are used as feedstocks for…

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Facts at your Fingertips: Selecting Heat-Transfer Fluid Supplier

Lean workforces are the norm in current plant environments. In the context of heat exchange systems, the current situation amplifies the need to select a heat-transfer fluid supplier with the expertise and technical resources to handle non-routine circumstances. This one-page…

Tailgas Considerations for Biogas Upgrading

Thermal oxidation is used to destroy tailgas from biogas-upgrading facilities. Presented here are guidelines for selecting the proper method With the evolving economics of renewable energy credits comes increased interest in biogas-upgrading facilities. Renewable natural gas (RNG) plants are being…

Considerations for Industrial Gas Purification

Purity requirements and gas properties require different methods for the purification of industrial gases. Provided here are key considerations for selecting gas purification technology Industrial gases are critical for a wide range of applications throughout the chemical process industries (CPI).…

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Beyond Simple Mixing

Five different examples are presented in which specialty mixers are used to perform tasks more efficiently than conventional approaches Specialty mixers serve a vast range of applications throughout the chemical process industries (CPI). The approach to mixer selection invariably starts…