There are many physical properties that can impact the ultimate performance of adsorbent media in gas-phase filtration applications Gas-phase filtration media specifications may list numerous physical parameters, such as shape, moisture content, bulk density, impregnation level, size and hardness (crush…
This column is based on “Sulfuric Acid Production from Sulfur via Double-Contact Process – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/sulfuric-acid-production-cost. Sulfuric acid (H2SO4) is among the most important industrial chemicals, with large-scale uses…
For intermediate and specialty chemicals, the incorporation of biotechnology-based processes has become a viable option for the chemical process industries (CPI). This one-page reference discusses some of the benefits and challenges of fermentation-based processes. Fermentation advantages Among the potential advantages…
Insights into the basics of process design of atmospheric storage tanks and an example of how to prepare a process datasheet are presented here Storage tanks are widely used in the petroleum refining and petrochemical sectors to store a variety…
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…
Pneumatically conveyed solid materials inevitably impact pipe walls and other particles, which can create processing and equipment problems. Provided here is an outline of potential problems related to particle impacts and the physics behind them Among the defining features of…
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).…
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…