Treatment Plant Operator Exam Study Guide Answers

What is the “carbon:nitrogen:phosphorus” ratio required for bacterial growth? The answer to this question is D, 100:5:1. The population of microorganism or in lagoon systems, algae, depends on the amount of carbon, nitrogen and phosphorus available. The universally accepted ratio is 100:5:1. If you lack one of these established nutrients, your facility would be deficient and have difficulty achieving proper growth of organisms. If you lack one of these nutrients, that nutrient would be considered a rate limiting factor. This useful factor is a good troubleshooting step.Which membrane classification can be used for softening water containing calcium and magnesium ions and