This column is based on “Propionic Acid Production from Propionaldehyde – Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/propionic-acid-production-cost. Propionic acid (also known as propanoic acid) is a carboxylic acid commonly found in nature, mainly…
The following titles are recently published books of potential interest to various parts of the chemical process industries (CPI) Human Factor and Reliability Analysis to Prevent Losses in Industrial Processes: An Operational Culture Perspective. By Salvador Avila Filho, Ivone Conceicao…
The Royal Swedish Academy of Sciences (Stockholm, Sweden; www.kva.se) today announced that the 2020 Nobel Prize in Chemistry 2020 has been awarded to Emmanuelle Charpentier of the Max Planck Unit for the Science of Pathogens (www.emanuelle-charpentier-lab.org) in Berlin, Germany, and…
When transferring stored bulk-solids materials from hoppers, bins and silos, flow stoppage can occur because of bridging or arching at the vessel outlet. Hopper outlets must be large enough to prevent cohesive arches or stable ratholes from developing. Determining the…
Methods for controlling reboilers in distillation towers are central to good reboiler operation and tower stability. Control valves can be located in the steam-inlet line or in the condensate-outlet line. This article updates guidance for key considerations and practices using…