Slurries

Containment of Slurries in Continuous and Batch Operations

SlurriesImage source In the 1970s, the chemical operations used acetone and benzene for the main slurries solid-liquid separation process. Next, there was a push to minimize solvent use. We looked to use water as the process liquid, but still had open filter presses and rotary drum filters; the entire plant…


Clear thinking about automated clarification technologies

Photo by Michael & Diane Weidner on Unsplash This is an edited version of an article I wrote for The Chemical Engineer. I hope you enjoy this take on automated clarification technologies. Throughout my career in the solid-liquid separation market space, I have seen some…


Real World Examples of Particle and Cake Formation Influences

  Photo by JESHOOTS.COM on Unsplash Process engineers might love it if all of the filtration technology solutions they developed ran flawlessly, at all times, under all conditions. But, this isn’t realistic. Something might go wrong with the filtration mechanism itself. A change in the…


Filtration technology

Selecting and Designing Combination Filtration for Solid-Liquid Separation

Photo by Maksym Kaharlytskyi on Unsplash Filtration experts, over the years, have discussed combination filtration and debated its definition. In the realm of cartridge filtration, simply defined, a combination filter is one that does at least one other processing job at the same…


Best Practices for Filtration Testing for Solid-Liquid Separation

Photo by Annie Spratt on Unsplash Testing in school has a negative connotation. Students dread tests. Parents bemoan “teaching to the test.” Teachers chafe against the curriculum parameters defined by testing expectations. Yet, the word “testing” should resonate much more positively with…