Pressure flotation of nitrocellulose fines: Hydrodynamics and interfacial chemistry
- Univ. of Connecticut, Storrs, CT (United States)
- CH2M Hill, Denver, CO (United States)
- Army Construction Engineering Lab., Champaign, IL (United States)
The production of nitrocellulose (NC) creates large quantities of waste NC fines in wash water streams. Current processing techniques attempt to remove these fines by cross-flow microfiltration, pressure flotation, settling, centrifugation, and lime precipitation. Pressure flotation, or dissolved air flotation (DAF), is a solid/liquid separation process first developed in the ore processing industry. DAF has since found many applications in the environmental engineering field including: drinking water clarification, sludge thickening, and the clarification of wastewater from a variety of industrial and municipal processes. The work presented herein is part of a larger effort to explore techniques to recover and reuse nitrocellulose (NC) fines resulting from propellant manufacturing processes. Previous papers investigated NC particle stability and interfacial thermodynamics and developed a flotation trajectory model. This paper builds on that work and presents a sensitivity analysis of the flotation trajectory model. The sensitivity analysis explores both operational and parameter estimation uncertainty.
- OSTI ID:
- 395288
- Report Number(s):
- CONF-9505206-; TRN: IM9648%%411
- Resource Relation:
- Conference: 50. Purdue industrial waste conference, W. Lafayette, IN (United States), 8-10 May 1995; Other Information: PBD: 1996; Related Information: Is Part Of Proceedings of the 50. industrial waste conference; Wukasch, R.F. [ed.]; PB: 861 p.
- Country of Publication:
- United States
- Language:
- English
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