As seen in Processing Magazine By Frank Sequino June 10, 2019
Recalls and cross-contamination issues continue to plague food and beverage producers. Quite often, the problem can be traced back to a process step that is done in an open vessel. The pharmaceutical industry has addressed this by using closed vessels with magnetically driven agitators known as mag mixers, but the continued growth of the use of mag mixers is not limited to applications in the pharmaceutical market. There are also significant advantages in the food and beverage markets.
Mag mixers have been a staple in pharmaceutical processes since their inception, but there has always been an imaginary dividing line between the sanitary requirements in the pharmaceutical industry and those of other sanitary industries. For example, “clean” in the food and beverage industry isn’t the same as “clean” in the pharmaceutical industry. That line is becoming blurrier every day. Today, terms like ultraclean, ultrasanitary and hygienic are commonly used, but their interpretation seems to vary from one person to the next. Regardless of one’s interpretation, it is easy to see that the food and beverage industry is heading in the direction of the pharmaceutical industry in terms of sanitary practices. As product recalls grow more prevalent, the need for the industry to have isolation and containment during processing has never been more prominent.
Figure 1. Anatomy of a mag mixer
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