Kinetics of anodic oxidation of nitrite ion using in situ electrogenerated HClO in a NaCl aqueous solution

Journal Article · Wed Dec 01 04:00:00 EST 1999 · Industrial and Engineering Chemistry Research

DOI:https://doi.org/10.1021/ie990349z· OSTI ID:20005878

Sun, C C; Chou, T C

The kinetics of anodic oxidation of nitrite ion in a 1--3 wt% NaCl aqueous solution using in situ electrogenerated HClO was studied. The experimental results indicate that the nitrite ion oxidation is mainly affected by both the concentrations of NaCl and NO{sub 2}{sup {minus}}. The derived reaction rate equation can be employed to describe the behavior of the nitrite and Cl{sup {minus}} ions when the NaCl concentration is in the range of 0.17--0.51 M and the NO{sub 2}{sup {minus}} concentration is lower than 20 mg/L. Theoretical analysis correlates with the experimental results. The oxidation of NO{sub 2}{sup {minus}} was found to be an indirect oxidation reaction of NO{sub 2}{sup {minus}} with the active mediator oxidant, HClO, produced from the oxidation of Cl{sup {minus}} on the anode.

• Research Organization: Yung-Ta Industrial Commercial Coll., Pingtung (TW)
• OSTI ID: 20005878
• Journal Information: Industrial and Engineering Chemistry Research, Journal Name: Industrial and Engineering Chemistry Research Journal Issue: 12 Vol. 38; ISSN IECRED; ISSN 0888-5885
• Country of Publication: United States
• Language: English

Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
54 ENVIRONMENTAL SCIENCES
CHEMICAL REACTION KINETICS
NITRITES
OXIDATION
WASTE WATER
WATER TREATMENT