Oxidation of Hydrazine in Aqueous Solutions
Abstract
The expanded use of hydrazine type fuels throughout the Air Force makes it imperative that current and accurate data be available on the potential environmental impact of these compounds. This report describes the chemistry of hydrazine in aqueous solutions under varying conditions of temperature, pH, ionic strength, salinity, hydrazine concentration, oxygen concentration, and in the presence of catalysts, and solid substrates. Results indicate that in the absence of Copper 2 as a catalyst, the degradation of hydrazine is slow. In five days a 1 x ten to the minus 4th power molar solution of hydrazine degraded less than 2% in distilled water, 40% in pond water and 20% in seawater. The addition of oxide and clay solids did not change the rate of degradation. Increasing the concentration of Copper 2 caused a major increase in the oxidation rate as did increasing temperature. Salinity and ionic strength changes caused minor variations in rate. The maximum degradation rate occurs between pH8 and 9. Oxygen concentrations in the range 0.5 to 40 mg/l had no measurable effect. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1978
- Accession Number
- ADA058239
Entities
People
- Gregory A. Urda
- Michael G. Macnaughton
- Sue E. Bowden