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: Submerged cultivation of Podophyllum hexandrum for the production of podophyllotoxin was carried out in a 3l stirred tank bioreactor fitted with a low-shear Setric impeller and was found to be a combined growth-associated and non-growth associated process.
116 citations
TL;DR: Plug-flow biofilm reactors were colonized by microorganisms indigenous to streamwater and used to measure concentrations of biodegradable dissolved organic carbon in streamwater to determine the influence of physical, chemical, and biological factors on the operation of the bioreactors.
116 citations
TL;DR: The hybrid up flow anaerobic sludge blanket reactor was evaluated for efficacy in reduction of chemical oxygen demand (COD) and biochemical oxygenDemand (BOD) of bulk drug pharmaceutical wastewater under different operational conditions.
116 citations
TL;DR: It is demonstrated that vacuum technology can be applied to integrated ABE fermentation and recovery even though the boiling point of butanol is greater than that of water.
Abstract: Simultaneous acetone butanol ethanol (ABE) fermentation by Clostridium beijerinckii P260 and in situ product recovery was investigated using a vacuum process operated in two modes: continuous and intermittent. Integrated batch fermentations and ABE recovery were conducted at 37 °C using a 14-L bioreactor (7.0 L fermentation volume) containing initial substrate (glucose) concentration of 60 g/L. The bioreactor was connected in series with a condensation system and vacuum pump. Vacuum was applied continuously or intermittently with 1.5 h vacuum sessions separated by 4, 6, and 8 h intervals. A control ABE fermentation experiment was characterized by incomplete glucose utilization due to butanol toxicity to C. beijerinckii P260, while fermentation coupled with in situ recovery by both continuous and intermittent vacuum modes resulted in complete utilization of glucose, greater productivity, improved cell growth, and concentrated recovered ABE stream. These results demonstrate that vacuum technology can be applied to integrated ABE fermentation and recovery even though the boiling point of butanol is greater than that of water.
116 citations
TL;DR: In this article, the operating conditions of an external membrane bioreactor for the treatment of waste of waste in textile industry were investigated, and the results showed that the average dejection of the COD is of 97%, the rate of elimination of the ammoniac nitrogen is 70%, whatever is the age of sludge.
116 citations