Absorption of NO in an alkaline solution of KMnO4

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Abstract

A packed column has been used to study the absorption of nitrogen oxide in an alkaline solution of potassium permanganate. The reactions taking; place during the absorption have been examined and the rate constants have been estimated from experimental data. The experiments show that potassium permanganate is an excellent absorbent for nitrogen oxide. However, to avoid formation of MnO2, the hydroxide concentration has to be very high, i.e. >3 mol/l. It was found that the reaction could be expressed as first-order with respect to NO and with respect to KMnO4. The rate constant may be expressed in terms of the hydroxide concentration as follows: k(mn) = 6114.9 10(1.9208 10-4 CNaOH) m(3) mol(-1) s(-1).

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Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Kemiteknik
Originalspråkengelska
Sidor (från-till)396-402
TidskriftChemical Engineering & Technology
Volym20
Utgåva nummer6
StatusPublished - 1997
PublikationskategoriForskning
Peer review utfördJa