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NR 288 PROFICIENCY EVALUATION STUDY FRAMEWORK REVISED 2026
Typology: Exams
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⫸ Ecological Design. Ans: any form of design that minimizes environmentally destructive impacts by integrating itself with living processes ⫸ Ecological engineering. Ans: the development of sustainable ecosystems that integrate human society with its natural environment for the benefit of both ⫸ Eco-Design. Ans: The integration of environmental aspects into product design and development with aim of reducing adverse environmental impacts throughout a products life. ⫸ Ecological Sanitation. Ans: A paradigm based on ecosystem approaches and the closure of material flow cycles, including the safe recycling of nutrients to crop production in such a way that the use of non-renewable resources is limited. ⫸ Why are wetlands important?. Ans: - clean water by housing massive microbial populations
. biochemical oxygen demand- the amount of oxygen demanded by aerobic biological organisms to break down organic material present in a given water sample.
Low C:N results in mineralization (AKA ammoniafication)- excretion of N ⫸ Regulators of Ammoniafication. Ans:. Substrate quality- C:N of substrate
⫸ Sorption of Phosphorus. Ans: - other anions can compete w/ phosphate for sorption sites
Pros: no exposed water (good for residential areas) can tolerate colder climates Cons: Requires a filter (more expensive) tendency to clog ⫸ Vertical subsurface flow. Ans: treats secondary waste Pros: no exposed water (good for residential areas) can treat very concentrated water aerobic, so can complete nitrification Cons: requires filter and can clog ⫸ How does SRP get removed from water column of Wetland system?. Ans: - precipitation of insoluble phosphates w/ferric iron, Ca, Al, under aerobic conditions