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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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Journal ArticleDOI
TL;DR: The results demonstrated that crossed HF membrane bioreactor is able to support the maintenance of primary human hepatocytes preserving their liver specific functions for all investigated period and may be a potential tool in the liver tissue engineering for drug metabolism/toxicity testing and study of disease pathogenesis alternatively to animal experimentation.

105 citations

Journal ArticleDOI
TL;DR: A hybrid microfiltration-forward osmosis membrane bioreactor for direct phosphorus recovery from municipal wastewater in the course of its treatment can recover almost all the phosphorus, apart from that assimilated by bacteria for growth.
Abstract: We report a hybrid microfiltration-forward osmosis membrane bioreactor (MF-FOMBR) for direct phosphorus recovery from municipal wastewater in the course of its treatment. In the process, a forward osmosis (FO) membrane and a microfiltration (MF) membrane are operated in parallel in a bioreactor. FO membrane rejects the nutrients (e.g., PO43–, Ca2+, Mg2+, etc.) and results in their enrichment in the bioreactor. The nutrients are subsequently extracted via the MF membrane. Phosphorus is then recovered from the nutrients enriched MF permeate via precipitation without addition of an external source of calcium or magnesium. The use of seawater brine as a draw solution (DS) is another novel aspect of the system. The process achieved 90% removal of total organic carbon and 99% removal of NH4+–N. 97.9% of phosphate phosphorus (PO43––P) was rejected by the FO membrane and enriched within the bioreactor. >90% phosphorus recovery was achieved at pH 9.0. The precipitates were predominantly amorphous calcium phosphate...

105 citations

Journal ArticleDOI
TL;DR: The relatively small CA film weight loss observed in the poisoned control test vessels allows the conclusion that CA film erosion during the composting exposures resulted, at least in part, from biologically mediated processes.
Abstract: Cellulose acetate (CA) films with degree of substitution (d.s.) values of 1.7 and 2.5 were exposed to biologically active in-laboratory composting test vessels maintained at approximately 53 °C. The CA 1.7- and 2.5-d.s. films (thickness values of ∼0.5–1.0 and 2.0 mil, respectively) had completely disappeared by the end of 7- and 18-day exposure time periods in the biologically active bioreactors, respectively. The relatively small CA film weight loss observed in the poisoned control test vessels allows the conclusion that CA film erosion during the composting exposures resulted, at least in part, from biologically mediated processes. Under strictly anaerobic conditions, an active methanogenic inoculum was developed by acclimation of a sewage sludge to a synthetic municipal solid waste (SMSW) mixture at 42°C. The CA 1.7-d.s. film samples (0.5- to 1.0-mil thickness) were exposed in anaerobic serum bottles containing a 25% solids loading of SMSW in which methanogenic activity was rapidly established after introducing of the developed inoculum. For exposures of 30 days only small visually distinguishable fragments of the CA 1.7-d.s. films were recovered. In contrast, exposure of the CA 1.7-d.s. film to a poisoned control test vessel resulted in negligible weight loss. Therefore, degradation of the CA 1.7-d.s. films upon exposure to the anaerobic bioreactors was due, at least in part, to biologically mediated processes.

105 citations

Journal ArticleDOI
TL;DR: A relevant number of recent studies that have investigated dark fermentative H2 production from wastewater using two different types of anaerobic biofilm reactors are analyzed to provide key elements for the best operation of the reactors.

105 citations

Journal ArticleDOI
TL;DR: Two new approaches are proposed for separating phosphate from ores via bioprocessing and these will help clarify the phytochemical properties of phosphate and their applications in the mining industry.
Abstract: Separating phosphate from ores via bioprocessing

105 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
20241
2023726
20221,549
2021388
2020401
2019413