Technical & Practical
Experimental Validation of Distillation Column Simulations
A practical look at the need for validation, as well as conceptual considerations and a case study This article addresses the need for experimental validation of computer-generated distillation column simulations , and discusses the main concepts involved with experimental validation.…
Technology Profile: Cyclohexane Production from Benzene and Hydrogen
This column is based on “Cyclohexane from Benzene and Hydrogen – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/cyclohexane-production-cost. Cyclohexane is a relatively stable cycloalkane, present in crude oils in concentrations of 0.1–1.0%. This cycloparaffin…
Single-Use Gloves: Problems and Solutions
When wearing single-use protective gloves, sweat can create health and safety issues. Presented here is a look at the causes of the problems and possible solutions A great many situations across the chemical process industries (CPI) require quality hand protection,…
Facts at your Fingertips: Flow Measurement in Large Lines, Ducts and Stacks
Process industry plants install sophisticated air-pollution control systems, but they can be ineffective if the flowmeters on which they rely deliver inaccurate or unreliable data. This one-page reference provides information on measuring the flow of gaseous combustion products in large…
Chemical Supply Chains Go Digital
When it comes to managing complex global supply chains, visibility and collaboration are the name of the game. To drive it, companies are embracing digital strategies The global chemical process industries (CPI) are undergoing a major transformation brought about by…
Improvements in DP Level Measurement
Differential-pressure (DP) level measurements are widely used in chemical and petrochemical facilities, thanks to their reliability and ease of use. Recent advances are making them even more reliable and easy to use Differential pressure (DP) level-measurement technology (Figure 1) is…
Bubble-Cap Tray Vapor Turndown
The concept of tray stability can apply to bubble caps and be used as an alternative method to determine the minimum efficient capacity of these devices. A new stability correlation for bubble-cap trays is proposed and checked against FRI data…
Enclosed Combustion Equipment and Technology
A thorough understanding of enclosed combustion technologies will help engineers to select the proper equipment to balance emissions-control performance with efficiency, costs and complexity Selection of an enclosed combustion solution is a complex process that involves various environmental and operational…
Technology Profile: Activated Carbon Production
This column is based on “Activated Carbon Production Process – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/activated-carbon-production-cost. Activated carbon, also known as activated charcoal or activated coal, is an inert solid composed mostly of…
Pump Sizing and Selection Made Easy
Viscosity, power consumption, commercial availability and lifecycle cost analysis are all important considerations in pump sizing. An automated spreadsheet method helps engineers take those factors into account in centrifugal pump selection Many aspiring chemical engineers enter industry after university study…