- Membrane Separation Technologies
- Membrane-based Ion Separation Techniques
- Fuel Cells and Related Materials
- Wastewater Treatment and Nitrogen Removal
- Pharmaceutical and Antibiotic Environmental Impacts
- Water Quality Monitoring and Analysis
- Advanced oxidation water treatment
- Microgrid Control and Optimization
- Water Resource Management and Quality
- Water Quality Monitoring Technologies
- Solar-Powered Water Purification Methods
- Recycling and Waste Management Techniques
- Water Treatment and Disinfection
- Wastewater Treatment and Reuse
- Nanopore and Nanochannel Transport Studies
- Electrohydrodynamics and Fluid Dynamics
- Advanced biosensing and bioanalysis techniques
Membrane Technology & Research (United States)
2018
University of Twente
2016-2018
University of Girona
2012-2013
Salinity gradient energy is a sustainable, renewable, and clean source. When waters with different salinities are mixed, the change in Gibbs free can be harvested as only brackish water remains. Reverse electrodialysis one of technologies that harvest this sustainable High power densities have been obtained small lab scale systems, but translation to large industrial stacks essential for commercialization technology. Moreover, density an important parameter, efficiency, i.e., amount compared...
When natural feed waters are used in the operation of a reverse electrodialysis (RED) stack, severe fouling on ion exchange membranes and spacers occurs. Fouling RED stack has strong influence gross power density output; which can decrease up to 50%. Moreover, an increase pressure loss occurs between water inlet outlet, increasing pumping energy thus decreasing net that be obtained. In this work, we extensively investigated use CO2 saturated as two-phase flow cleaning for mitigation using...
Reverse electrodialysis (RED) is a process to harvest renewable energy from salinity gradients. Under lab conditions with artificial salt solutions, promising results have been achieved in recent years. However, large scale industrial applications, natural waters are used and that poses challenges such as fouling. Fouling of anion exchange membranes (AEMs) by organic matter (e.g. humic acids) has identified possible cause lowers RED performance waters. In this work, river seawater at the...
The breathing cell is a new concept design that operates reverse electrodialysis stack by varying in time the intermembrane distance. Reverse used to harvest salinity gradient energy; rather unknown renewable energy source from controlled mixing of river water and seawater. Traditionally, both seawater compartments have fixed Especially compartment thickness contributes large extent resistance due its low conductivity. In our cyclic approach, two stages define principle concept; initial...
AbstractThe fate of organic micropollutans (MPs) in a membrane system based on microfiltration (MF) and reverse osmosis/nanofiltration (RO/NF) has been investigated for the case wastewater reuse. Both an operating full-scale water reuse plant pilot were employed, with 22 individual compounds at their ambient concentrations studied former latter employing two target over range feed concentrations. Results revealed removal efficiencies higher than 75% most plant, though mass flow studies all...
Membrane filtration has gradually gained acceptance as the preferred pre-treatment for reverse osmosis (RO). In this paper, an integrated membrane bioreactor (MBR)/RO system wastewater reuse treating real sewage water been evaluated and RO fouling characterised. The MBR achieved low values of organic matter, total nitrogen, PO(4)(3-), carbon, turbidity conductivity. Filtration with two different commercial membranes was performed after same average rate (0.08 bar day(-1)) noted. These...