Table 3.

Details of Feed and spray driers used in production of various milk protein concentrates

Protein % or %TS in feed	Single/multi stage	Atomizer details	Inlet air temp. (°C)	Outlet air temp. (°C)	Evaporation capacity (kg water/h)	References
18.9% protein	Single	Rotary	120–125	80–85	16–18	Mistry and Hassan (1991)
20% protein	Single	Rotary	127–130	78–86	NM	Mistry and Pulgar (1996)
16.44% protein	Single	Centrifugal	180	85	20–25	Patel and Mistry (1997)
85% protein DM basis	Three	Pressure, 0.8 mm orifice dia	200	90	NM	Havea (2006)
22.9, 24.9, 31.4% TS	Single	Rotary	175, 190	75, 90	NM	Augustin et al. (2012)
	Two	NM	170	70, FBD 70	NM
17.5% TS	Two	Nozzle, 200 bar	180	63, FBD 50	80	Baldwin and Truong (2007)
17% protein	Single	Single stream monodisperse atomizer	178, 155, 107, 77	103, 93, 68, 54	NM	Fang et al. (2012)
15.55% TS	Single	NM	130	65	NM	Yanjun et al. (2014)