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 121 for “"batch reactor"”.
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CO-steam coal liquefaction in a batch reactor
Includes bibliographical references.
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Chemical kinetic investigation of a commercial batch reactor process
… the chemical reactions occurring during the batchwise production of a butylated melamine-formaldehyde resin, in order to optimise the efficiency and economics of the batch processes. The batch process models are largely empirical in nature as the reaction mechanism is unknown. The process …
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TREATMENT OF PETROLEUM REFINERY WASTEWATER IN AN INNOVATIVE SEQUENCING BATCH REACTOR
… 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 that of a …
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A feasibility study for reset control of an industrial batch reactor
… control loop of a pressurized exothermic batch leach reactor in the hydrometallurgical Precious Group Metals (PGM) industry is carried out. Keywords: Reset control; Clegg integrator; initial states; industrial batch reactor; temperature control; exothermic reactions; multiple reactions; …
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Intergrated leachate treatment by sequencing batch reactor (SBR) and micro-zeolite (MZ)
… 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. Then, followed …
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Landfill leachate treatment by combination of electro - fenton and sequencing batch reactor method
… 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 and …
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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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Wastewater Disinfection with HYDROFLOW Technology
… The study was performed using two different reactors, namely, a bench-scale laboratory batch reactor, and a continuous flow, pilot unit. Using the batch reactor, it was found out that the HydroFLOW 60i unit is effective to kill bacteria; however, modifications to this mode of operation would …
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The batch and continuous bacterial leaching kinetics of a refractory gold-bearing pyrite concentrate
… models to adequately describe bacterial leaching reactor performance. This work is a kinetic study of the bacterial leaching of a refractory gold bearing, pyrite concentrate. The study includes the presentation of two mechanistically based, the shrinking particle and propagating pore (Hansford and …
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The Evaluation of Permeable Cementitious Media for Nutrient Removal
… nitrate-nitrogen and orthophosphate-phosphorus. Batch reactor tests were used to determine nitrate and orthophosphate removal and retention for five permeable reactive concrete mixtures. Additionally, fixed-bed breakthrough experiments were used to determine the nitrate removal for five permeable …
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Supercritical water gasification of waste residues
… UNIVERSITY OF MISSOURI AT AUTHOR'S REQUEST.] A batch reactor was built in the University of Missouri Carbon Recycling Center to explore the thermo-chemical conversion of motor oil as a model compound, in supercritical water. Used motor oil was identified as a main waste compound leading to …
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Detection, analysis, and photocatalytic destruction of the freshwater taint compound geosmin.
… the large number of samples generated. Two reactors, a bench scale batch reactor and pilot scale flow reactor, were developed and used to evaluate the efficacy of Hombikat K01/C TiO2 photocatalysis in degrading GSM. The batch reactor, containing Hombikat K01/C, was used to investigate the …
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Desorption of Trace Contaminants From Activated Carbon: Effect of Strongly-Competing and Pore-Blocking Background Organic Matter on Desorption Kinetics
… on both adsorption and desorption kinetics in a batch reactor. The model was applied to describe and compare kinetics using two PACs with different pore size distributions. An analysis of important issues in modeling desorption led to several recommendations for future research to improve the …
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Experimental testing and modeling of partial nitrification at different temperatures
… 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- investigating the …
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Enhanced Microbial Sulfate Removal Through a Novel Electrode-Integrated Bioreactor
… project developed a sediment bioelectrochemical batch reactor that used a low electrical potential to enhance and sustain biological sulfate reduction by continuously supplying electron donor substrates (electrolytic hydrogen) to sulfate reducing bacteria. The project aims to understand the …
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Processing and characterization of nanocrystalline ceria
… to sinter. In this dissertation, a semi-batch reactor method was developed for directly synthesizing undoped an doped, nanometer-scale CeO₂ particles at room temperature"--Abstract, page iv.
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Forsterite Dissolution Kinetics: Applications and Implications for Chemical Weathering
… acid solutions: based on a series of 124 semi-batch reactor experiments over a pH range of 0 to 7 and total oxalate concentrations between 0 and 0.35 m at 25°C. These experiments show that oxalate-promoted dissolution rates depend upon both oxalate concentration and pH. I propose a reaction …
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ANAEROBIC TREATMENT OF HIGH SALINE PHARMACEUTICAL WASTEWATER
… 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 treatment of high …
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Biosynthesis and separation of dextran fructose mixtures in a chromatographic reactor
A literature review of work carried out on batch and continuous chromatographic biochemical reactor-separators has been made. The major part of this work has involved the development of a batch chromatographic reactor-separator for the production of dextran and fructose by the enzymatic action of …
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