Journal article
Modelling and dynamic simulation of struvite precipitation from source-separated urine
Water Science & Technology, Vol.67(12), pp.2724-2732
2013
Abstract
A model of a mixed-mode nutrient recovery reactor is developed for a urine feed, incorporating complex solution thermodynamics, dynamic conservation relations and a power-law kinetic expression for crystal growth from seed crystals. Simulations at nominal operating conditions predict phosphorus recoveries greater than 99%, based on existing process kinetic parameters and operating conditions employed in previously published studies. The overall rate of nutrient recovery depends on the saturation index of the precipitating solid, the available surface area for mass transfer and the feed rate of the limiting constituent ion. Under the conditions considered, the nutrient feed rate appears to be the limiting factor for precipitation. Simulations demonstrate that diurnal feed flow variations of ±50% have a small effect on the rate of nutrient recovery. Overall, the study shows that valuable insights are gained in relation to process performance predictions, which should lead to more confident process design, operation and control.
Details
- Title
- Modelling and dynamic simulation of struvite precipitation from source-separated urine
- Authors/Creators
- P.A. Schneider (Author/Creator) - James Cook UniversityJ.W. Wallace (Author/Creator) - James Cook UniversityJ.C. Tickle (Author/Creator) - James Cook University
- Publication Details
- Water Science & Technology, Vol.67(12), pp.2724-2732
- Publisher
- IWA Publishing
- Identifiers
- 991005544217707891
- Copyright
- © 2013 IWA Publishing
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
UN Sustainable Development Goals (SDGs)
This output has contributed to the advancement of the following goals:
Source: InCites
Metrics
290 File views/ downloads
82 Record Views
InCites Highlights
These are selected metrics from InCites Benchmarking & Analytics tool, related to this output
- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.83 Bioengineering
- 3.83.2268 Struvite
- Web Of Science research areas
- Engineering, Environmental
- Environmental Sciences
- Water Resources
- ESI research areas
- Environment/Ecology