Enzyme granulate production method and resulting enzyme granulates

US7691438B2 · kind B2 · utility

Assignee

• Glatt Ingenieurtechnik GmbH · DE

Inventors

• Michael Jacob · Munich, DE
• Karlheinz Rumpler · Weimar, DE
• Mike Waskow · Weimar, DE

Key dates

• Filing date: Jun 7, 2004
• Grant date: Apr 6, 2010
• Expiry date: Mar 9, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C12N9/16
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A method for producing enzyme granulates, the resulting enzyme granulates, and their use in formulations, e.g., for animal feed, food, washing means, rinsing means, and/or for pharmaceutical purposes and the like. The enzyme granulates show, in particular, a high relative percentage of active enzymes, certain grain sizes, good storage stability, especially small roundness factor, and/or low residual moisture percentage as well as preferably additional specific properties. According to the invention, the enzyme granulates are produced by linking the thermal conditions in the spray zone and the temperature conditions in the remaining region of the fluidized bed. In the process according to the invention, this is achieved in that the supply of heated processing gas is realized for drying exclusively in the injection region. The reliable supply of particles in the injection region is realized through the special geometrical shape of the apparatus under the use of gravity. Through the addition of inert particles as nuclei material for cores, the absolute content of enzyme activity of the enzyme granulate can be controlled.