Wastewater Treatment Exam Questions
and Answers 100% Pass
Which reaction takes place during denitrification? - ANSWER-5 C6H12O6 + 24
NO3 -> 24 HCO3 + 6 CO + 18 H2O + 12 N2
Overall nitrification reaction: What is an important prerequisite for this reaction to
occur? - ANSWER-Oxygenation
Which part of the wastewater treatment plant corresponds to the nitrification
basin? - ANSWER-Aeration basin
Pump 1's purpose - ANSWER-To recycle wastewater back to denitrification from
nitrification.
Pump 2's purpose - ANSWER-To recycle sludge back to denitrification from
secondary clarification.
Pump 3's purpose - ANSWER-To pump wastewater to denitrification from the
feedwater container.
Which statement about micropollutants is incorrect? - ANSWER-They are called
"micro" because of the small molecule size.
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
and Answers 100% Pass
Which reaction takes place during denitrification? - ANSWER-5 C6H12O6 + 24
NO3 -> 24 HCO3 + 6 CO + 18 H2O + 12 N2
Overall nitrification reaction: What is an important prerequisite for this reaction to
occur? - ANSWER-Oxygenation
Which part of the wastewater treatment plant corresponds to the nitrification
basin? - ANSWER-Aeration basin
Pump 1's purpose - ANSWER-To recycle wastewater back to denitrification from
nitrification.
Pump 2's purpose - ANSWER-To recycle sludge back to denitrification from
secondary clarification.
Pump 3's purpose - ANSWER-To pump wastewater to denitrification from the
feedwater container.
Which statement about micropollutants is incorrect? - ANSWER-They are called
"micro" because of the small molecule size.
©️COPYRIGHT 2025, ALL RIGHTS RESERVED. 1
