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090			_aB-20364
245	1	0	_aNutrient recovery from wastewater through pilot scale electrodialysis
490	0		_vWater Research, 135, p.57-65, 2018
520	3		_aNutrient recovery performance utilising an electrodialysis (ED)process was quantified in a 30-cell pair pilot reactor with a 7.2?m2 effective membrane area, utilising domestic anaerobic digester supernatant, which had been passed through a centrifuge as a feed source (centrate). A concentrated product (NH4-N 7100?±?300?mg/L and K 2490?±?40?mg/L)could be achieved by concentrating nutrient ions from the centrate wastewater dilute feed stream to the product stream using the ED process. The average total current efficiency for all major cations over the experimental period was 76?±?2 percent (NH4-N transport 40 percent, K transport 14 percent). The electrode power consumption was 4.9?±?1.5?kWh/kgN, averaged across the three replicate trials. This value is lower than competing technologies for NH4-N removal and production, and far lower than previous ED lab trials, demonstrating the importance of pilot testing. No significant variation in starting flux densities and cell resistance voltage for subsequent replicate treatments indicated effective cleaning procedures and operational sustainability at treatment durations of several days. This study demonstrates that ED is an economically promising technology for the recovery of nutrients from wastewater.
650	1	4	_aPOTASSIUM
650	1	4	_aAMMONIA
650	1	4	_aELECTRODIALYSIS
650	1	4	_aNUTRIENT RECOVERY
650	1	4	_aSTRUVITE
700	1	2	_aWard, A. J.
700	1	2	_aArola, K.
700	1	2	_aBrewster, E. T.
700	1	2	_aMehta, C. M.
700	1	2	_aBatstone, D. J.
856	4	0	_uhttps://drive.google.com/file/d/1U6aFkGnxrqZLtDMGP6wkfe5Es68TgIgf/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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