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Pumping Biological Broths and Slurries

Handling biological broths and slurries in industrial operations is no simple task. These substances pose unique challenges, ranging from varying viscosities and high temperatures to the need for gentle handling of sensitive particles.

Challenges in Pumping Biological Broths and Slurries

Handling biological broths and slurries in industrial processes poses a unique set of challenges, demanding specialized solutions to ensure efficiency and maintain product integrity. These challenges include:

Varying Viscosities

Biological broths and slurries can exhibit a wide range of viscosities, from thin liquids to highly viscous pastes. Pumping such diverse fluids requires pumps capable of handling this viscosity spectrum effectively without compromising flow rates or causing blockages.

High Temperatures

Some biological processes involve elevated temperatures, which can impact the viscosity and stability of the broth or slurry. Pumps must be able to withstand and handle these high temperatures without deteriorating in performance or structural integrity.

Sensitive Particles

Biological broths and slurries often contain sensitive particles, such as cells, enzymes, or proteins. Maintaining the integrity of these particles is crucial for the overall quality of the product. Pumps must be gentle enough not to damage or disrupt these particles during the pumping process.

CIP (Clean-in-Place) Requirements

Hygiene is paramount in industries dealing with biological substances. Pumps must be designed for easy cleaning to meet strict hygiene standards. CIP systems ensure thorough cleaning without disassembling the pump, facilitating efficient and safe cleaning procedures.

Entrained Gases

Biological broths and slurries can contain entrained gases, which can affect the pump's performance and cause cavitation. Proper pump selection and design are necessary to handle these gases and maintain a stable flow.

Examples of Biological Broths and Slurries:

  • Yeast Suspensions: Used in brewing and fermentation processes, yeast suspensions are sensitive and often viscous, requiring careful pumping to maintain yeast integrity.

  • Biological Fermentations: Various biological processes, such as fermentations for pharmaceuticals or enzymes, involve slurries with live cultures and sensitive biochemical compounds.

  • Food Processing Slurries: In the food industry, slurries containing fruit or vegetable particles are common. These slurries demand gentle handling to prevent damage to the food particles and preserve product quality.

  • Cell Cultures: Used in biotechnology and medical research, cell cultures require delicate pumping to prevent cell damage and maintain the viability of the cultures.

  • Biological Wastewater Slurries: In wastewater treatment, biological slurries contain microorganisms. Efficient pumping is essential for the treatment process's effectiveness and environmental impact.

Due to AxFlow's extensive range of process pumps and expertise, tailored solutions are available for any biological broth or slurry application. With the right pump selection, industries can ensure smooth, efficient, and hygienic processing of these sensitive biological substances, meeting both production needs and quality standards.