W. Doyen
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View article: Removal of Bacterial Contamination from Bioethanol Fermentation System Using Membrane Bioreactor
Removal of Bacterial Contamination from Bioethanol Fermentation System Using Membrane Bioreactor Open
A major issue hindering efficient industrial ethanol fermentation from sugar-based feedstock is excessive unwanted bacterial contamination. In industrial scale fermentation, reaching complete sterility is costly, laborious, and difficult t…
View article: Improved electrodes and gas impurity investigations on alkaline electrolysers
Improved electrodes and gas impurity investigations on alkaline electrolysers Open
Electrodes with Raney-nickel-alloy coatings (low cost material) → overpotential reduction of 330 mV
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\nElectrodes show excellent stability: 1100 on-off cycles, 98% of initial efficiency retained
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\nHydrogen in oxygen impurity reduced…
View article: Reverse membrane bioreactor: Introduction to a new technology for biofuel production
Reverse membrane bioreactor: Introduction to a new technology for biofuel production Open
The novel concept of reverse membrane bioreactors (rMBR) introduced in this review is a new membrane-assisted cell retention technique benefiting from the advantageous properties of both conventional MBRs and cell encapsulation techniques …
View article: Pressurized alkaline electrolyser with high efficiency and wide operating range – the project RESelyser
Pressurized alkaline electrolyser with high efficiency and wide operating range – the project RESelyser Open
Introduction
\nFor wide-spread use of electrolysers for energy storage by converting surplus renewable electrical energy to hydrogen the main obstacles are the costs of the device and the limited adaptation to fluctuating power supply. To …