Calculate amount of organic oxygen present-nitrogen

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Reference no: EM13289323

A water sample has the following composition.

NH4+ = 44 mg/L

NO3 = 7.6 mg/L

NO2 = 3.1 mg/L

C6H14O2N2 = 239 mg/L

a) calculate amount of organic oxygen present (mg N/L)

b) calculate amount of inorganic oxygen present (mg N/L)

c) Calculate amount of keljdahl nitrogen present (mg N/L)

d) Calculate total Nitrogen present (mg N/L)

e) Calculate theoretical carbonaceous oxygen demand. (mg / L)

f) Calculate the carbonaceous BOD5 (mg/L) assuming k = 0.25 day^-1. Use the theoretical carbonaceous oxygen demand to predict ultimate cBOD (Lo).

g) Calculate total possible (theoretical) nitrogenous oxygen demand (mg/L). Note: remember to include the ammonia related when the organic compound is bio-degraded.

Reference no: EM13289323

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