Absorption of oxygen in aqueous alkaline solutions of sodium dithionite
β Scribed by A.S. Jhaveri; M.M. Sharma
- Publisher
- Elsevier Science
- Year
- 1968
- Tongue
- English
- Weight
- 632 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0009-2509
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β¦ Synopsis
The kinetics of absorption of oxygen in aqueous solutions of sodium dithionite was studied in a jet apparatus. The reaction was found to be first order with respect to dithionite for dithionite concentration below 0.08 g mole/l. and second order with respect. to dithionite concentration above 0.08 g mole/l. The reaction was also studied in a stirred cell and a small laboratory packed column. The reaction was found to be zero order with respect to oxygen for all dithionite concentrations. The effect of sodium hydroxide concentration on the reaction rate constant was also investigated.
π SIMILAR VOLUMES
The absorption rate of oxygen in alkaline sodium dithionite solutions, in a stirred tank with a flat interfacial surface, has been studied experimentally. Under the conditions studied (12.0 < pH Q 13.7, 2045"C, partial oxygen pressure 0.20 at 1 atm and a dithionite concentration of O.OOWIk20 M), abs
The absorption and reaction of oxygen in aqueous alkaline solutions of sodium dithionite has been experimentally investigated in a novel gas-liquid contactor. The novel gas-lift bubble column contactor was used to study the kinetics over wide ranges of reactant concentrations, temperature, and pH. T
Results from experimental studies on the influence of pH within the alkaline range on sodium dithionite oxidation with molecular oxygen reveal that it is possible to follow the kinetics of the process by observation of the consumption of base needed to maintain a constant pH. Under the conditions st