Hendrik Freije of Hosokawa Micron BV, application Engineer of the company's Food & Pharma team: “Dry cleaning in between different batches has the advantage, that the user is certain that no water will be present during the mixing process.”  (Picture: Hosokawa Micron)
Mixer Cleaning

“It’s Important to Limit Cross Contamination” – Interview on Dry Mixer Cleaning

When mixing sticky bulk solids, residues can be quite a challenge. They pose the threat of cross contamination or product impurities. Since rinsing mixer and screw with water and liquid cleaning agents bring unwanted moisture into the machine, dry cleaning methods can be an attrcative alternative. But also this approach poses several challenges – in a short interview with PROCESS Worldwide, Hendrik Freije, application engineer of Hosokawa Micron’s Food & Pharma team, talks about the Do’s and Dont’s of dry cleaning.

Read on
Modern mixers, like Hosokawa’s Nauta mixers, are specially designed for easy (dry) cleaning.  (Picture: Hosokawa Micron)
Mixer Cleaning

How to Optimize Dry Cleaning Methods for Bulk Residues in Mixers

Residues of bulk solids in mixers can be quite a nuisance if one device is used for several products. While rinsing mixer and screw with water is an easy approach to cleaning, it has certain disadvantages, most obvious the presence of moisture within the device. But also dry cleaning poses its challenges – several aspects have to be considered when laying out a dry cleaning procedure for powder mixers.

Read on