Chemical Reactions

1
Chemical Reactions

• Department of Civil Engineering
• California State University, Sacramento

2
Nitrification Reactions

• First Stage Conversion of free ammonia to
  nitrite
• Second Stage Conversion of nitrite to nitrate
• Combined Reaction

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3
First Stage Nitrification Reactions

• First Step Conversion of free ammonia to
  hydroxylamine
• AMO Ammonia monooxygenase, membrane bound
  enzyme
• Second Step Conversion of hydroxylamine to
  nitrite
• HAO Hydroxylamine oxidoreductase, located in
  the periplasmic space
• Third Step Abiotic oxygen reduction

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