Prethodno priopćenje
Nutrient recovery from piggery effluents
Md Imtiaj Ali
; School of Engineering, James Cook University, Townsville, AUSTRALIA
Philip A. Schneider
; School of Engineering, James Cook University, Townsville, AUSTRALIA
Neale Hudson
; Intensive Livestock Systems Unit, Toowoomba, AUSTRALIA
Sažetak
The present study aims to evaluate struvite precipitation potential, using the Visual MINTEQ modelling package. A solution speciation model of struvite precipitation in different phases has been developed. This model indicates that across a wide range of pH (6-14) various other crystals are formed along with struvite, whereas struvite formation is dominant in the pH range of 7.75-9.27. Solution speciation modelling indicates that a Magnesium Ion Selective Electrode can be used to infer struvite supersaturation, enabling better modelling and control of crystal growth kinetics. A brief thermodynamic investigation of the piggery wastewater collection pond will be performed using this model.
Ključne riječi
struvite, Visual MINTEQ, ion selective electrode, supersaturation, solid phases
Hrčak ID:
316079
URI
Datum izdavanja:
30.6.2003.
Posjeta: 353 *