(k) Eutrophication is triggered by 1) High N/P in the water iii) Heavy rain ). ii) Anaerobic microbes iv) VOC spill (1)

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K Eutrophication Is Triggered By 1 High N P In The Water Iii Heavy Rain Ii Anaerobic Microbes Iv Voc Spill 1 1 (73.98 KiB) Viewed 60 times

(k) Eutrophication is triggered by 1) High N/P in the water iii) Heavy rain ). ii) Anaerobic microbes iv) VOC spill (1) During biological N removal, what happens in the aerobic zone? 1) NOx generation ii) Neutralization ii) Converting NO, to N2 iv) No additional organic addition (m) What is the formation associated with high N and P that can break pipe and pumps if not taken out appropriately? i) Algae ii) Struvite ii) Acid formation iv) Scum (n) Microbes are starving in activated sludge system due to 1) Shorter SRT ii) Shorter HRT iii) Longer HRT iv) Longer SRT ) are two important parts in the operation of (0) Stable mixing and homogeneous anaerobic digester. 1) Feeding iii) Disinfection ii) Sludge return iv) Heating (p) What is the treatment scheme that governs Class A biosolids production by EPA regulation? 1) Filtration ii) Nutrient removal iii) Dewatering iv) Time-Temperature (a) EPA effluent permit system is called? i) NPDE iii) DNAPL ii) NPDES iv) NAPL (b) Which is not on-site wastewater treatment system? i) Septic system ii) Pit privy ii) Absorption field iv) Carbonation (c) Which is older sewer system? i) Combined sewer ii) Separated sewer