LET 2016- Jeréz de la Frontera, Cadiz, Spain
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Committees and Topics
The LET 2016 took place in Jerez de la Frontera, Cadiz, Spain and covered 8 programme topics: Sustainable Desalination; Circular Economy; Solar and algal based water technologies; Energy Efficient Water and Wastewater Management; Contaminants of Emerging Concern; Advanced materials; Smart Management of Water and Assets; Microbial electrochemical technologies.
Desalination is one of the solutions to the growing water scarcity problems in many countries, to overcome rising population growth, as well as increasing droughts and climate change. To improve the sustainability of membrane based desalination, and develop suitable alternatives, this session will address several aspects of desalination such as:
• Improving energy efficiency
• Use of renewable energy and minimize emissions of greenhouse gases and air pollutants
• Avoiding environmental impact of brine disposal and reducing marine discharges by treatment and reuse of residuals
• Minimizing use of chemicals and additives in seawater desalination for fouling and scaling control as well as cleaning
• Use of environmentally-friendly (green) chemicals
• Improved pre-treatment for seawater reverse osmosis during algal blooms
Wastewater can become a source of valuable materials and economic gain if its treatment is reconfigured to emphasize the recovery of water, energy, and nutrients. This session focuses on emerging processes and systems of processes whose primary goal is recovering the resources present in “used water.” Examples include direct anaerobic treatment to give a net energy output, nitrogen and phosphorus separation and concentration to provide high value fertilizer feedstock, and water reclamation.
This session is focused on low cost and low energy water treatment, using solar energy to disinfect and oxidize, removing nutrients and micropollutants, either by photocatalytic reactions and/or growing algae biomass, including bioenergy production. Leading solar based clean technologies, such as self-cleaning surfaces for water systems, disinfection and oxidation with photocatalysis, and photo-Fenton of priority substances and emerging pollutants, including removal of resistant pathogens and antibiotic resistant bacteria, solar powered membrane distillation of brackish water for salts separation, and nutrients recovery, leading to reclaimed water reuse. Recent research and world-class treatment solutions currently under study, as well as real case studies will be showcased.
Anuska Mosquera (Spain)
Mark Van Loosdrecht (The Netherlands)
Wastewater treatment plants are traditionally designed for optimal effluent or water quality. However recently energy efficiency is becoming important as well. This can be reached by more efficient aeration and mixing, better process control, and new process implementations such as Anammox, algal systems, or granular sludge. This session focusses on all aspects related to improvement of energy efficiency of wastewater treatment.
Javier Marugan (Spain)
Amy Pruden (USA)
Water quality is threatened by chemical nano-pollutants of emerging concern, such as pharmaceuticals, personal care products, or endocrine disruptors, and also emerging pathogenic microorganisms, including chlorine- and UV-resistant viruses and protozoa, and antibiotic resistant bacteria. Although there is still a lack of quantitative data on their effects on ecological and physiological processes and especially on human health, the detection of those contaminants in natural waters and wastewater treatment plant effluents question the efficiency of the current treatment processes. This session focusses on innovative solutions and technologies for the monitoring and treatment of emerging contaminants in water and wastewater.
Qilin Li (USA)
Jun Ma (China)
Novel materials are making tremendous changes in the way we treat water, wastewater and solid waste. Nanotechnology utilizes materials at the nanometer scale, whose unique properties enable novel functions. It has been actively pursued for various applications in water and wastewater treatment including adsorption, catalysis, membrane separation and sensing. In addition, advances in membrane materials continue to bring innovation in membrane processes, whose application is becoming increasingly common in water and wastewater treatment systems of different scales. Development and application of these advanced materials have the potential to enable a shift of treatment paradigm from the current chemical and energy intensive processes to high efficiency, physical and catalytic processes that minimize chemical and energy use as well as waste production.
Eva Martinez Diaz (Spain)
The increasing water scarcity caused by the gap between supply and demand for water is forcing the world to understand that water management is no longer an operational matter of running physical infrastructure, but rather how assets in the water network’s hydrological cycle function (together) in an optimal manner. In this subject, Information Technology (IT) plays a key role. This session focuses on innovative and efficient IT and Smart solutions, including monitoring and optimization processes, system analysis and integration, big data management, artificial intelligence, etc. to manage water and wastewater, water resource and water availability, water supply and consumption, water reuse and recycle, water quality, and water/wastewater treatment, towards a more sustainable environment.
Microbial electrochemistry is the study and application of direct interactions between living microbial cells and electrodes. Technologies based on microbial electrochemisty include highly innovative and scientifically fascinating processes, but they often are challenged by the economic realities of wastewater treatment systems. However, significant increases in achievable process intensities and novel niche applications are bringing this emerging technology field closer to actual applications in practice. This session will explore the potential and likely approaches to turn the exciting innovation into practical solutions for wastewater treatment, biosensors, and water desalination.