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Enhancement of ultrafiltration process by pretreatment in recovery of hemicelluloses from wood extracts
(Lappeenranta University of Technology, 2016-01-14)
Hemicelluloses are potential raw material for several items produced in future wood-based biorefineries. One possible method for recovering hemicelluloses from wood extracts is ultrafiltration (UF). However, low filtration ...
Modeling the effects of unsteady flow patterns on the fireside ash fouling in tube arrays of kraft and coal-fired boilers
(Lappeenranta University of Technology, 2016-10-20)
The modeling of ash deposition trends, rates, and shapes has been the target of numerous
investigations since slagging and fouling constitute a major penalizing factor in boiler
performance. Also, they are the most usual ...