Novozymes’ Guide to Higher Life Forms was designed to help operators and wastewater professionals identify higher life forms and provide information on how to interpret operational conditions based on microscopic analysis.

In any properly functioning biological wastewater treatment system, a hierarchy of microscopic organisms is present—including bacteria, protozoa and metazoa. Together, these organisms are responsible for effective wastewater treatment. Protozoa and metazoa, also known as “higher life forms,” are orders of magnitude larger than bacteria and can be observed microscopically.

These organisms flourish and decline in certain environmental conditions and can be found in different forms depending on their surrounding conditions. As such, the absence or presence or certain organisms provides a basis for understanding how well the microlife is performing, and—ideally—help operators fix many issues.

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