According to sedimentation data, which organism has the best removal rate?

Study for the NEHA Wastewater Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Cholera vibrio, as a type of bacteria, typically has a higher removal rate during the sedimentation process compared to viruses, other types of bacteria, and helminths. The removal rate during sedimentation is influenced by factors such as size, density, and the ability to aggregate.

Cholera vibrio cells are relatively larger and denser compared to many viruses, which may remain suspended in the water column much longer due to their small size. This means that viruses can take considerably longer to settle out of a solution. Other types of bacteria may also have different settling characteristics, but cholera vibrio's size and behavior during sedimentation lend to better removal rates.

Helminths are larger organisms, but they typically have complex life cycles and are often not as effectively removed through sedimentation as cholera vibrio, which settles out more readily from water due to its biological and ecological properties. Therefore, cholera vibrio stands out as the organism with the best removal rate when considering sedimentation data.

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