Follow this guidance to specify a control valve accurately during the design phase Control valves are one of the most common and important instruments used in the chemical process industries (CPI). They help to ensure smooth and efficient operation…
How to protect, preserve and enhance workers’ safety Safety eyewear (Figure 1) is among the most prevalent types of personal protective equipment (PPE) worn across the chemical process industries (CPI). It protects an individual’s most valuable sense — vision —…
A look at the hidden dangers of lens fogging and how to prevent them Fogging is the number one problem faced by safety eyewear users in the chemical process industries (CPI; Figure 1). Across applications, both indoors and out, the…
Improvements provide finer grinding at lower energy costs compared to air-swept classifying mills that have long reigned supreme in particle-size-reduction efforts For decades, the ultimate performance in fine mechanical milling performance has been provided by the air-swept classifying mill (ASCM).…
This column is based on “Methionine Hydroxy Analog Production Process - Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/methionine-production-cost. Methionine is an essential amino acid that is widely used as an animal feed additive, especially…
Steam is commonly used in the chemical process industries (CPI) for process heating, power generation, atomization, cleaning and sterilization, moisturization and humidification, among other applications. This one-page reference provides a refresher for key concepts related to steam. Pressure-temperature relation The…
From initial conceptualization to final calculation, designing compressors requires not only engineering intuition and robust simulation tools, but also a bit of creativity As technology has evolved, so has the refrigeration industry. What were once holes in the ground filled…
Follow this guidance to carry out independent project reviews of research projects that are both valuable and effective — and pain free Independent project reviews (IPRs) are a common tool used to control, review and validate a project before…
Mixing and blending of bulk solids is common in pharmaceutical and food manufacturing, specialty chemicals, explosives, fertilizers, glass and ceramics, detergents and resin industries. This column provides information on batch versus continuous blending mechanisms. Batch versus continuous Batch blending processes…
Companies need more creative ways to deal with complex and ever-changing market and technical challenges Low natural gas prices and high global demand for hydrocarbon-based chemicals have resulted in resurgence in the construction of new and existing chemical process…