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TitleStudy and valorisation of wastewaters generated in the production of bacterial nanocellulose
Author(s)Soares da Silva, F. A. G.
Oliveira, João V.
Gonçalves, C.
Dourado, Fernando
Gama, F. M.
Alves, M. M.
KeywordsBacterial cellulose
Low cost substrate
Issue date11-Nov-2019
CitationSoares da Silva, F. A. G.; Oliveira, João V.; Gonçalves, C.; Dourado, Fernando; Gama, F. M.; Alves, M. Madalena, Study and valorisation of wastewaters generated in the production of bacterial nanocellulose. TSB2019 - The 31st Annual Meeting of the Thai Society for Biotechnology and International Conference. No. P-BB-23, Patong, Thailand, Nov 10-12, 147-147, 2019.
Abstract(s)[Excerpt] The use of low-cost residues from the agro-food industries in the formulation of fermentation culture media is often claimed to represent a strategy to reduce the production cost Bacterial NanoCellulose (BNC). However, the impact of such culture media, e.g. made of molasse and corn steep liquor, on the organic load of the wastewaters generated in this process has never been assessed. This work aims to characterize the wastewaters resulting from the fermentation of BNC using different culture media, under static culture, as well as their biochemical methane potential (BMP) and anaerobic biodegradability. Anaerobic digestion (AD) is one of the most promising treatments for industrial wastewaters with high organic loads since, beyond removal of the organic matter, it generates energy in form of biogas. Two wastewaters streams were analysed: i) the one collected from the culture medium after fermentation (WaF); ii) the one that, in addition to the previous, includes the BNC washing wastewaters (WaW). The performance of an upflow anaerobic sludge blanket reactor (UASB) for the treatment of the later (WaW) was also evaluated. [...]
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AccessOpen access
Appears in Collections:CEB - Resumos em Livros de Atas / Abstracts in Proceedings

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