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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 9 of 9 for “"Ammonia recovery"”.
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Ammonia Recovery from Digester Centrate with Electrochemical Membrane Systems: Mechanism, Performance, and Application
… is a key element for agricultural production. Ammonia (NH3), as an important part in nitrogen cycle, can be synthesized by nitrogen fixing bacteria and the Haber-Bosch process, the latter of which requires an extensive energy input. Wastewaters can contain a large amount of nitrogen compounds …
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The design of a non-diaphragm calcium chlorate cell
… during electrolysis of the waste from the ammonia recovery still of the Solvay Process. Data was obtained to show the effect on chlorate formation of the variables; temperature, concentration of electrolyte, and current concentration. In all the experimental runs, observations were made of …
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Purification of Ammonia by Pressure Swing Adsorption
<p>Ammonia has long been an essential raw material for manufacture of chemical compounds of vital importance. Recent DOE-EERE-ITP Chemicals Subprogram studies have consistently ranked ethylene and ammonia as the top two most energy intensive processes. Ammonia production consumes a total energy of …
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Assessing the co-production of ammonia and methane for resource recovery optimization
… valuable resources such as methane and ammonia. The recovery of these resources could assist these facilities in offsetting energy expenses and carbon emissions, moving them towards net zero. This research used microcosms to assess the co-production of methane and ammonia using different …
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Membrane Electrochemical Treatment of Landfill Leachate: Processes, Performance and Challenges
… organic oxidation and a high-pH catholyte for ammonia recovery. The MER achieved significantly higher removals of both dissolved organic carbon and UV254nm absorbance than membrane-less electrochemical treatment. The MER was able to remove a large percentage of total nitrogen from the leachate …
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Intensification of Micro-Plasma Bubble Processing for N-Fixation and its Potential Application
… processing in urea/synthetic urine solutions for ammonia recovery as well as synergy of plasma-enzyme catalysis; (5) mini-review of potential plasma treatment that could be applied in human space exploration. Firstly, air plasma is much superior to nitrogen plasma for general nitrogen fixation in …
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Improving bioenergy recovery from municipal wastewater with a novel cloth-filter anaerobic membrane bioreactor
… AnMBR (CFAnMBR) to increase bioenergy recovery compared to CAS and improve energy efficiency compared to current AnMBR technology. While the CFAnMBR can provide an effluent that meets most discharge requirements, it still requires an additional ammonia removal process to meet typical …
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Opportunities for Nutrient Recovery from Post-Digestion Sludge Handling: Analysis and Feasibility Study Using Municipal Scale Aerobic and Anaerobic Digesters
… innovations in process efficiencies, energy recovery, and nutrient removal. Wastewater offers opportunity for recovery of resources of various economic values, and recent research aims at process innovation to optimize resource recovery while still achieving the primary goals of the treatment …
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Advanced Technologies for Resource Recovery and Contaminants Removal from Landfill Leachate
… investigated leachate treatment and resource recovery from landfill leachates by innovative methods such as forward osmosis (FO), bioelectrochemical systems (BES), and advanced oxidation. In this study, a microbial fuel cell (MFC) removed 50-75% of the ammonia from a leachate through the …