Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 49 for “"membrane bioreactor"”.
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Removal of Endocrine Disrupting Compounds Using Membrane Bioreactor
… degradation and extreme low concentrations. Membrane bioreactor (MBR) used in this study is novella better water reclamation technology that shows several advantages including stable operation conditions due to long solid retention time (SRT); concentrated mixed liquor suspended solids …
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Submerged-Membrane Bioreactor for the Treatment of NASA Wastewater
… in terrestrial wastewater treatment processes. Membrane bioreactors present a possible means of implementing biological wastewater processing in a microgravity compatible manner.A novel submerged-membrane bioreactor was constructed to examine the treatment efficiency of a NASA wastewater ersatz. …
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Optimization of the woven fibre-immersed membrane bioreactor (WF-IMBR)
Submitted in fulfilment of the requirements for the Degree of Master of Engineering, Durban University of Technology, Durban, South Africa, 2017.
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Enzymatic hydrolysis of liquefied corn starch in a membrane bioreactor
… of this project was to develop and optimize a membrane reactor for the continuous saccharification of liquefied corn starch by glucoamylase. The effects of enzyme concentration, substrate concentration and residence time on starch conversion were studied. Increasing the concentration of enzyme …
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Development and Evaluation of a Hybrid Membrane Bioreactor for Greywater Reclamation
… system consisted primarily of a hybrid membrane bioreactor (HMBR), a biological treatment system containing both attached and suspended growth processes and membrane separation. A 10 month pilot study using synthetic and real greywater was conducted at the University of Regina Research …
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Development of Aerobic Granular Sludge Membrane Bioreactor (AGMBR) to Mitigate Fouling
… the integration of aerobic granular sludge and membrane filtration to develop aerobic granular sludge membrane bioreactor (AGMBR) was explored. The main focus was on the in-depth study of extracellular polymeric substances (EPS) in AGMBR. Firstly, the long-term stability of aerobic granules (AG) …
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Characterisation of fouling behaviour with direct observation technique for membrane bioreactor applications
To date, membrane fouling characterisation has been most commonly assessed via hydraulic performances and rarely by visualisation techniques. However, fouling visualisation can provide more detailed characterisation on the morphological structure of the material deposition on the membrane surface. …
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Elucidating the relative environmental sustainability of anaerobic membrane bioreactor (AnMBR) development pathways
… important in decision-making. Anaerobic membrane bioreactors (AnMBRs), as an emerging anaerobic technology, are gaining popularity because of their potential to achieve energy-positive treatment and to achieve a high quality effluent. This thesis aims to explore the full-scale design and …
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Dual-Chambered Membrane Bioreactor for the Dynamic Co-Culture of Dermal Stratified Tissues
… Throughout this work we studied 3D printing and bioreactor strategies for the simultaneous physiologic and topographic reconstruction of burnt facial skin tissues. First, we formulated a keratin-based bioink that can be used for 3D printing on a lithography-based 3D printer. Second, we …
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Fabrication of TIO₂-embedded PVDF membranes and their application in algae membrane bioreactor systems
Polyvinylidene difluoride (PVDF) membranes with and without TiO2 (5% by mass) were fabricated and applied for high-density algae cultivation in membrane algae bioreactors (MBR). Microalgae species Chlorella Vulgaris was cultivated in the MBR systems fed with artificial wastewater at a target solids …
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Improving bioenergy recovery from municipal wastewater with a novel cloth-filter anaerobic membrane bioreactor
… substantial energy input for aeration. Anaerobic membrane bioreactors (AnMBRs) have been proposed as a more sustainable approach than CAS to manage the organics in wastewater because they eliminate the need for aeration and convert organics into a renewable energy resource (methane). However, when …
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Formation and evaluation of the filterability of aerobic granules in a granular sludge membrane bioreactor
… sludge sequencing batch reactor (SBR) and membrane bioreactor (MBR) were combined in an attempt to develop an aerobic granular sludge membrane bioreactor (GMBR). The objectives were to determine the mechanisms controlling the formation of granules and granule stability in the GMBR as well …
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Techno-Economic Evaluation of Conventional Activated Sludge and Membrane Bioreactor Systems for Textile Wastewater Treatment in Bangladesh
… Conventional Activated Sludge (CAS) and Membrane Bioreactor (MBR) wastewater treatment systems at five operational effluent treatment plants (ETP) in Bangladesh. Researcher obtained multi-year records of influent and effluent data together with plant-level energy consumption, chemical …
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Effect of High Shear on Anaerobic Digestion in an Anaerobic Membrane Bioreactor (Anmbr) Treating High Strength Wastewater
Anaerobic membrane bioreactors (AnMBRs) provide an alternative for advanced wastewater treatment since they facilitate retention of slow growing anaerobic microorganisms resulting in efficient treatment in small reactor volumes and excellent effluent quality. Hence, these reactors are ideal for …
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Growing an Enhanced Culture of Polyphosphate Accumulating Organisms using a University of Cape Town Membrane Bioreactor (UCTMBR) System
… a laboratory-scale University of Cape Town Membrane Bioreactor Activated Sludge (UCTMBR AS) system was setup, operated, and tested. To place PAOs at an advantage, the system was fed influent rich in readily biodegradable chemical oxygen demand (RBCOD) in the form of propionate. An activated …
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Treating wastewater in a conventional activated sludge (CAS) system or a Membrane Bioreactor (MBR). A comparison of capital and operating costs
… onerous on land requirements. In an immersed membrane bioreactor (iMBR), solid-liquid separation takes place by the wastewater passing through membranes. As the WW flows through, at the same time solids are rejected by the membranes. These membranes are immersed in the bioreactor. iMBR thus …
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Case study of the implementation of a membrane bioreactor (MBR) package wastewater plant for treatment of domestic effluent in a remote location
… incorporated with newer technologies such as the membrane bioreactor (MBR) to come up with innovative solutions that have promising potential but must be designed and implemented to be fit for purpose. The stringent emission control that is now common in many countries and being applied in South …
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Metagenomic characterization of Candidatatus Defluviicoccus tetraformis TFO71, a tetrad-forming organism, predominant in an anaerobic-aerobic membrane bioreactor with deteriorated biological phosphorus removal
In an acetate-fed anaerobic-aerobic membrane bioreactor with deteriorated enhanced biological phosphorus removal (EBPR), Defluviicoccus-related tetrad-forming organisms (DTFO) were observed to predominate in the microbial community. Using metagenomics, a partial genome of the predominant DTFO, …
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