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 38 for “"sequencing batch reactor"”.
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TREATMENT OF PETROLEUM REFINERY WASTEWATER IN AN INNOVATIVE SEQUENCING BATCH REACTOR
… is considered one of the main drawbacks of sequencing batch reactors. The aim of this study therefore is to improve sludge settleability by introducing a novel, two-stage settling sequencing batch reactor (TSSBR) separated by an anoxic stage. The performance of the TSSBR was compared with …
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Intergrated leachate treatment by sequencing batch reactor (SBR) and micro-zeolite (MZ)
… the effect of biological treatment by using sequencing batch reactor (SBR) system in different condition consisting anaerobic (An), anoxic (Ax), and oxic (Ox) with different reaction time. An integration in combining phases consisting An/Ax/Ox is used in order to achieve maximum removal. …
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Landfill leachate treatment by combination of electro - fenton and sequencing batch reactor method
… the effectiveness of combined electro-Fenton and sequencing batch reactor (SBR) method on the removal of SS, colour, COD and NH3-N. The experimental involved three major parts were coagulation-flocculation, electro-Fenton and SBR method. This process could be operated independently in a batch mode …
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Sequencing batch reactor treatment of oily wastewater from can manufacturing and gasoline tank bottoms
This study was a full-scale investigation of SBR for the treatment of oily wastewater with determination of the effects of different operating conditions on process performance. It was demonstrated that under a rather complex situation, the performance of the SBR could be significantly improved, …
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Experimental testing and modeling of partial nitrification at different temperatures
… the performance of partial nitrification in a sequencing batch reactor (SBR) using kinetic models at 35oC; 3- investigating the effect of dissolved oxygen (DO) on nitrification in a sequencing batch reactor (SBR) treating low ammonia wastewater (40 mg N/L) at low temperature (14oC); 4- …
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ANAEROBIC TREATMENT OF HIGH SALINE PHARMACEUTICAL WASTEWATER
… technologies were attempted including anaerobic sequencing batch reactor (AnSBR), up-flow anaerobic sludge blanket (UASB) and anaerobic membrane bioreactor (AnMBR), and different types of biomasses as seeding inoculants were studied to investigate an efficient and sustainable process for …
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Simultaneous partial Nitritation, Anammox and Denitrification (SNAD) process for treating ammonium-rich wastewaters
… Anammox and Denitrification (SNAD) process in a Sequencing Batch Reactor (SBR) to treat wastewaters with a high ammonium load and low biodegradable organic matter, such as anaerobic digester effluent and old landfill leachate. The bacterial diversity in the reactor was investigated by analysis of …
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Adsorption and dechlorination of chlorophenols under acidogenic conditions
… the start-up procedure of the acidogenic sequencing batch reactor. PCP and 2,4,6-TCP had similar dechlorination mechanisms with the removal of chlorine at the ortho position. At times when chlorophenols were not dechlorinated, they were still removed from the wastewater via adsorption onto …
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Comparing the responses of nitrifiers to differing ammonia loadings
… the biomass to adapt to a new influent in a sequencing batch reactor. The biomass was then separated into three reactors. A control reactor was exposed to 10 mg NH3-N/L . A medium stress reactor was exposed to ammonia loading increasing from 10 mg NH3-N/L to 120 mg NH3-N/L. A final high …
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Modelling and control of an activated sludge process using ASM2d and taking into account sludge floc distribution effects
… occur during different phases in a sequencing batch reactor (SBR). Despite the widespread study of enhanced biological phosphorous removal, comprehensive sludge floc distribution model remains lacking that would better describe this process. Consequently, the integrated system model …
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Formation and evaluation of the filterability of aerobic granules in a granular sludge membrane bioreactor
The technologies of aerobic granular 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 …
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Biological treatment schemes for preventing oxime inhibition of nitrification
… the same treatment process. Aerobic and anoxic batch experiments were initially performed to determine degrees of nitrification inhibition caused by three oximes, acetaldehyde oxime (AAO), aldicarb oxime (ADO), and methyl ethyl ketoxime (MEKO), and to investigate the fate of these oximes under …
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A Study of the Patterns, Stoichiometry, and Kinetics of Microbial BTX Degradation Under Denitrifying Conditions by an Activated Sludge Consortium Receiving a Mixed Waste
… sludge consortium was investigated in a sequencing batch reactor (SBR) receiving a mixed waste. After six months of acclimation, toluene and m-xylene were routinely degraded to below detection. Both toluene and m-xylene could serve as sole carbon and energy sources. The removal of …
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The Effectiveness of Multiple Redox Treatment Strategies on the Treatability of a High Strength Industrial Wastewater
… mg/L as chemical oxygen demand (COD), by three sequencing batch reactor (SBRs) systems operated under alternating redox environments: anaerobic/aerobic (ANA), anoxic/aerobic (ANX), and aerobic was investigated. A synthetic wastewater was modeled after a wastewater from an existing chemical …
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Enhanced Biological Phosphorus Removal from Dairy Manure to Meet Nitrogen:Phosphorus Crop Nutrient Requirements
… uptake, and fraction of releasable PO4. An EBPR sequencing batch reactor (SBR) was designed for a dairy farm with 700 lactating cows and 325 ha of corn silage. An economic analysis of EBPR for dairy farms employing P-based manure applications was completed. The cost of hauling excess manure to …
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Nitrogen Removal From Dairy Manure Wastewater Using Sequencing Batch Reactors
… for the biological nitrogen removal in sequencing batch reactors for the dairy manure wastewater. Results showed that many parameters are similar to those of municipal wastewater treatment systems. This characterization and the derived kinetic and stoichiometric parameters provided some …
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Study of population dynamics in a biological phosphorous removal wastewater treatment system
… unknown bacteria (G bacteria) in a bench-scale sequencing batch reactor (SBR), with emphasis on the effects of feed composition on the populations. The purpose of the study also included characterization and identification of the unknown bacterial species. Six SBRs were operated for three 8-hour …
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Biological Treatment of Reclamation of Industrial Wasterwater From Post-Combustion Carbon Capture
… two biological treatment systems used were the Sequencing Batch Reactor (SBR) and the Sulfate Reduction, Autotrophic Denitrification, and Nitrification Integrated (SANI) system. These systems were further modified with the addition of another bioreactor containing Bacillus benzoevorans. The …
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Modelling an SBR waste treatment system.
The sequencing batch reactor (SBR), developed from batch reactor technology, has made significant progress in the past two decades with increasing use in wastewater treatment. However, there are still some important aspects of the system that need improvement. Modelling SBR system, developing lab …
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Development of Aerobic Granular Sludge Membrane Bioreactor (AGMBR) to Mitigate Fouling
… 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) was investigated in a sequencing batch reactor (SBR). This was …
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