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Showing 1 to 20 of 32 for “"forward osmosis"”.
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Exploring Forward Osmosis Systems for Recovery of Nutrients and Water
… this study, a proof of concept process based on forward osmosis (FO) was proposed and investigated for in-situ formation of struvite from digested swine wastewater. This FO system took advantage of a drawback reverse solute flux (RSF) and used the reversed-fluxed Mg^{2+} for struvite …
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Development of Forward Osmosis Based Separations: A Novel Approach in Membrane Technology
… as a cost-effective sustainable solution. “Forward osmosis (FO)” has been the major attention in recent time. FO uses osmotic pressure as the driving force to draw the water passing the membrane and achieve the desired separation performance. In general, it is considered to be a process with …
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Genetic Algorithm Based Optimization of Baffle Positions in a Forward Osmosis Draw Channel
<p>Forward Osmosis (FO) driven asymmetric membrane filtration is a developing technology which shows promise for seawater desalination and wastewater treatment. Due to the fact that asymmetric membranes are widely used in conjunction with this technology, internal concentration polarization (ICP), …
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Effects of transmembrane hydraulic pressure on the performance of forward osmosis membranes, The
Forward osmosis (FO) is an emerging membrane separation process that continues to be tested and implemented in various industrial water and wastewater treatment applications. Breakthroughs in research and manufacturing have produced better performing membranes with improved structural integrity and …
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Advancing Forward Osmosis for Energy-efficient Wastewater Treatment towards Enhanced Water Reuse and Resource Recovery
… practice. Among these membrane processes, forward osmosis (FO) utilizes an osmotic pressure gradient across a semi-permeable membrane to reclaim high-quality water. Still, several key challenges remain to be addressed towards broader FO application, including energy-intensive draw …
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Development of Thin-Film Composite Membranes Incorporated With Graphene Oxide and Derivatives for Forward Osmosis Processes
… high-performance GO-based polyamide (PA) TFC forward osmosis (FO) membranes by systematically investigating the effect of GO and its derivatives on the modified membranes. First, polyvinyl alcohol (PVA)/GO hydrogel was coated on the PA surface to improve the membrane anti-fouling property. …
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BIOMIMETIC MEMBRANES EMBEDDED WITH AQUAPORIN Z FOR WATER REUSE AND DESALINATION
… problems that the whole world is facing today. Forward osmosis and low pressure reverse osmosis are possible solutions to provide high quality water. Thus, creating a robust and highly permeable yet selective membrane for water purification has gained much attention worldwide in recent years. …
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Resource Recovery By Osmotic Bioelectrochemical Systems Towards Sustainable Wastewater Treatment
… between bioelectrochemical systems (BES) and forward osmosis (FO), has been introduced and studied in the past few years. An OsBES can accomplish simultaneous treatment of wastewater and recovery of resources such as nutrient, energy, and water (NEW). The cooperation can be accomplished in …
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Potencial de Reaproveitamento do Concentrado da Osmose Inversa do Programa Água Doce – Bahia/Brasil Como Solução Osmótica no Processo de Osmose Direta
… through desalination systems that employ Reverse Osmosis (RO) technology. This technology, however, generates reverse osmosis concentrate (ROC), a potentially polluting by-product. The present study adopted a quantitative methodological approach based on experimental investigation using primary …
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Coupling Treatment Technologies with Bioelectrochemical Systems to Optimize Resource Recovery from Wastewater
… Other processes and technologies such as forward osmosis (FO), membrane contactor (MC), and thermoelectric generators (TEGs) have similar issues when comparing the advantages and disadvantages of the recovery system. Coupling BES with other recovery approaches could potentially achieve …
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The economics of future membrane desalination processes and applications
… and investigates three emerging technologies: forward osmosis, electrodialysis at high salinity and hybrid electrodialysis-reverse osmosis with a view to addressing the three above challenges. Forward osmosis has often been viewed as a technology with the potential to reduce energy consumption …
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Thermoeconomic model and feasibility study of geothermal power cycle with Lithium extraction
… Hydroxide Chloride (LDH) Sorbent combined with forward osmosis as a direct lithium extraction (DLE) method. This DLE method was chosen because it has previously been used in Argentinian salar brines and in a small pilot scale in the Upper Rhine Graben at Rittershoffen Geothermal Plant in similar …
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Preparation of juice concentrates by nonthermal processing technologies: a multiple hurdle approach
… membrane separation processes, such as reverse osmosis (RO) and forward osmosis (FO), as nonthermal technologies for the concentration of liquid foods and beverages. In this study, our objectives were to concentrate fruit juices using FO or a combination of RO and FO and to explore another …
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The water purification robustness of metal-organic framework-polyamide nanocomposite thin films toward long term organic, inorganic, and bacterial contamination
Forward osmosis (FO) is an osmotically driven process widely studied for water desalination, wastewater treatment, and water reuse, as well as dilution and concentration of aqueous streams. However, its application is still hampered by the lack of ideal draw solutes, high-performance membranes, and …
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Development of experimental methods to measure osmosis-driven water flux and molecular transport across nanoporous graphene membranes
… defect sealing process, this work shows that forward osmosis presents a facile and reliable platform for measuring transport of water and filtration of ions/molecules across nanopores introduced to centimeter scale single-layer graphene membrane.
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Anammox-based Technologies for Sustainable Mainstream Wastewater Treatment: Process Development, Microbial Ecology and Mathematical Modeling
… OsAMX system by linking nitritation-anammox to forward osmosis to remove the reverse-fluxed ammonium while using ammonium bicarbonate as a draw solute. The microbial community structures and dynamics, spatial distributions in these bioreactors were characterized by high-throughput sequencing and …
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Computational Modeling of Osmotically Assisted Membrane Separations with Multicomponent Solution-diffusion Theory
… assisted membrane processes (OAMP), such as forward and counter-flow reverse osmosis, are a class of separation technologies that leverage osmotic pressure differences for water purification. Accurate modeling of the solute-coupling effects for transmembrane transport is integral to the …
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Bioelectrochemical Systems: Microbiology, Catalysts, Processes and Applications
… 8 have demonstrated how BES can be combined with forward osmosis to enhance desalination or achieve self-powered hydrogen production. Mathematical models have been developed to predict the performance of the integrated systems. In Chapter 9, BES have been used as a research platform to understand …
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