Why should lime slurry mixing equipment and pumps be kept clean at all times?

• A. To prevent corrosion
• B. To ensure efficiency
• C. Because lime slurry is sticky, and material will gum and stick
• D. To reduce operating costs

Answer: (C)

Keeping lime slurry mixing equipment and pumps clean at all times is primarily important because lime slurry is inherently sticky, which can lead to material buildup. If the equipment is not cleaned regularly, the accumulated lime can gum up the components, leading to operational challenges. This sticky nature can hinder the flow and mixing processes, negatively impacting the overall efficiency of the equipment and potentially causing clogs or other mechanical issues.

While preventing corrosion and ensuring efficiency are also valid concerns in wastewater operations, the specific challenge posed by the sticky nature of lime slurry makes maintaining cleanliness critical to prevent gumming and sticking, which could disrupt operations. Reducing operating costs can be an indirect benefit of regular cleaning, as it helps maintain optimal equipment performance and prolongs the life of the machinery, but the immediate concern is managing the unique properties of lime slurry to ensure smooth operations.