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…
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…
Facts at your Fingertips: Safety Instrumented Systems and Risk
Within the chemical process industries (CPI), the need to design safety systems to prevent process failures from occurring, or to control them when they do, is well recognized, as is the importance of having confidence in the safety systems that…
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…
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…
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…
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…
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).…
Technology Profile: Titanium Dioxide Production
This column is based on “Titanium Dioxide Production Process – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/titanium-dioxide-production-cost. Titanium dioxide (TiO2) is the naturally occurring oxide of titanium, and is found particularly in rutile ores.…