Characterization and utilization of the permeate and retentate obtained after "dead-end" ultrafiltration

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Abstract

In the recent years, with the increase in bioethanol production, the increasing amounts of distillery wastewater are generated. Such wastewater (stillage) is one of the most polluted waste product of the food and beverage industries. The present study evaluates the treatment of distillery wastewater by ultrafiltration (UF), in order to reduce its pollution and evaluate the composition of the permeate and retentate. Polyethersulfone ultrafiltration membrane with molecular weight cut-off (MWCO) 30000 Da, was used for the experiments. The UF was carried out in dead-end mode. The results of the analyses of the permeate and retentate obtained after ultrafiltration were considered as well as different ways for their further utilization. The pollutant level in the permeate was decreased significantly in comparison to the raw stillage, and suspended solids were completely removed from the stillage.

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Vasić, V. M., Šćiban, M. B., Prodanović, J. M., & Kukić, D. V. (2013). Characterization and utilization of the permeate and retentate obtained after “dead-end” ultrafiltration. Acta Periodica Technologica, 44, 163–170. https://doi.org/10.2298/APT1344163V

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