Define nitrate ions present in industrial waste waters

Reference no: EM13682265

Nitrate ions present in industrial waste waters should be removed before discharge of the solutions. Uchida as well as Okuwaki [Hydrometallurgy, 49, 297-308 (1998)] have proposed that lead metal can serve as a appropriate reducing agent for nitrate ion:

NO3- + Pb = NO2- + PbO(s)

Get ready a log [N] vs. pe plot for NO3- and NO2- when [N]T = 10-3 M.

Given:

NO3- + 2H+ + 2e- = NO2- + H2O log K = 28.15

Reference no: EM13682265

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