Clarifying Process Liquids: New Approaches for Chemical and Pharmaceutical Applications

Image Source: IFN How can the process engineer successfully automate the clarification processes to improve filtration while minimizing operator exposure? Over my career in solid-liquid separation, I've seen many examples of process engineers struggling with clarifying process liquids. In one resin facility, the slurry was in a formaldehyde process and the "masked" operators were opening up a manual plate filter to dig out the cake. In another case, during the manufacturing of zeolites, the…


automated filtration technologies

Ebook Explores Automated Filtration Technologies for Clarification Applications

Over my almost 40 years in the process industry, many people have helped me along the way. Having opened my own consulting business, Perlmutter & Idea Development, I thought it time to give back to the engineering and process communities. Earlier this year I taught a short course in the American Filtration Separations Society Learning Center, “Automatic Filtration Technologies.” This month, I have released a related e-book, Framework for Selecting Automated Solid-Liquid Filtration…


Optimizing downstream final drying

Every year I look forward to attending AICHE, learning from peers, and sharing what knowledge I’ve gained in the past year. COVID-19 pushed us to meet virtually this year. Still, I was pleased to continue to share my talk on BHS-Sonthofen Inc.’s continuum approach to optimizing downstream final drying with upstream solid-liquid filtration. I thought I’d offer a recap here for those who missed the online event. Most often when analyzing a new process development approach, engineers take a…


Slurries

Containment of Slurries in Continuous and Batch Operations

Image 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 was white from titanium dioxide or pharma stearates. Today, we all know that processes remain open with filter presses, vacuum filters, and centrifuges. Our job is finding solid-liquid separation…


Clear thinking about automated clarification technologies

Photo by SplitShire on Pexels.com 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 interesting solid-liquid separation solutions. At one melamine resin facility, the slurry was in a formaldehyde process. The operators were wearing masks, opening up a manual plate filter in a room with residential floor fans, to dig out…