What is the main purpose of a flow diversion device?

The main purpose of a flow diversion device is to prevent contamination during processing. This device is crucial in ensuring that only properly pasteurized milk is delivered for consumption while diverting any product that does not meet the required temperature and time standards for pasteurization. By diverting insufficiently heated product back for reprocessing or safe disposal, the device helps maintain the safety and quality of the product, thus protecting public health.

In the context of pasteurization, ensuring that all of the milk meets strict safety standards is paramount, and the flow diversion device plays a significant role in achieving this. It acts as a safeguard that automatically adjusts the flow of product based on real-time processing conditions, ensuring that nothing that hasn't been subjected to the required pasteurization process reaches the final output stage.

The other options do not accurately describe the main function of the flow diversion device. For instance, while enhancing taste, controlling speed of processing, and regulating temperature are important aspects of processing, they do not directly relate to the primary goal of preventing contamination.