Topic
Bioreactor
About: Bioreactor is a research topic. Over the lifetime, 9980 publications have been published within this topic receiving 192690 citations. The topic is also known as: bioreactors.
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TL;DR: Additional granular activated carbon (GAC) layers on the membrane module within a whole cell fungal membrane bioreactor set up to treat dye wastewater was effective in minimizing enzyme washout and in improvement of decoloration (degradation of the dye).
59 citations
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TL;DR: In this article, the effect of different carbon sources on the starting-up duration of sulfidogenic bioreactor and corresponding bacterial communities were investigated, and the authors concluded that utilization of simple carbon sources that are readily utilized by sulfate-reducing bacteria can not only increase the fraction of SRB and thus improve sulfate removal efficiency, but also shorten the starting up duration.
59 citations
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TL;DR: In this article, different bioreactors with diverse mixing methods, batch and continuous modes, and a range of hydraulic retention time (HRT) were investigated to determine the optimum operating conditions.
59 citations
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TL;DR: Productivity of the fermentation of lactose to ethanol by Kluyveromyces fragilis has been significantly improved by coupling a cross-flow membrane module to the primary fermentor in a semi-closed loop configuration.
Abstract: Productivity of the fermentation of lactose to ethanol byKluyveromyces fragilis has been significantly improved by coupling a cross-flow membrane module to the primary fermentor in a semi-closed loop configuration. At a cell concentration of 90g/L in the bioreactor and inlet lactose concentration of 150g/L, productivity was 240gETOH/L/hr at dilution rate of 6 hr-1. This was 80 times better than batch fermentation.
59 citations
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TL;DR: In this article, a tray bioreactor was designed for the extracellular enzyme production and the influence of temperature and humidity of the cabinet, depth of solid bed, particle size, initial moisture content and supplementary substrate (olive oil) as carbon source was investigated.
Abstract: Summary
This study deals with production of lipase in solid state fermentation by Rhizopus oryzae from sugarcane bagasse. A tray bioreactor was designed for the extracellular enzyme production. Daily, lipase production was evaluated at several incubation temperatures. Furthermore, the influence of temperature and humidity of the cabinet, depth of solid bed, particle size, initial moisture content and supplementary substrate (olive oil) as carbon source was investigated. The obtained results showed that bioreactor temperature of 45 °C, humidity of 80%, solid bed depth of 0.5 cm, particle size in the range of 0.335–1 mm, substrate initial moisture content of 80% for the top tray and 70% for the middle tray and supplementary substrate of 8% (v/w) olive oil led to maximum lipase production. Under optimum fermentation conditions after 72-h incubation, maximum lipase activities for the top, middle and bottom trays were 215.16, 199.36 and 52.64 U gds−1, respectively.
59 citations