The Key to Freeze-Drying: The Role of Vacuum Technology
Freeze-drying (lyophilization) is a dehydration technology that dries products at low temperatures under vacuum. It removes solvents such as water contained in the drying subject by evaporating them. By conducting the process under vacuum, it allows the solvent to evaporate at low temperatures without passing through the liquid phase. The primary advantage is that it protects heat-sensitive components and maintains the shape and size of the subject. Since the final product does not contain solvents, it minimizes the effects of oxidation, degradation, and compositional changes (genetic or enzymatic), enabling long-term storage. The following link introduces the role of vacuum in freeze-drying and key points for selecting vacuum pumps.
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We will introduce the role of vacuum technology in freeze-drying and key points for selecting vacuum pumps.
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Edwards is the world's largest manufacturer of vacuum pumps and exhaust gas treatment equipment (pollution control devices), founded in the UK in 1919. Our mission is to provide vacuum solutions that address our customers' challenges through a range of products and services based on vacuum technology. We are committed to product development, testing and evaluation, after-sales service, and employee training on a daily basis. With a global network and high technical capabilities, our service factories have stable repair capabilities, ensuring that customers in any region can use our products with confidence.