Flushing toilets with Seawater a step in creating sustainable cities
Dr. Berit Godskesen | Technical University of Denmark (DTU) | Denmark
We established a water supply in Copenhagen of Seawater for flushing toilets. At the conference, we would like to present how this project has 1) demonstrated the successful construction of the first non-potable water facility owned and operated by a utility in Denmark, 2) evaluated the facility upon selected sustainability criteria. Please, see abstract for further information.
Characterization of Microbial Community Structure on Biofilm in Forward Osmosis Membrane
Prof. Am Jang | Sungkyunkwan University | Korea, Republic of
Our research team characterization of microbial communities on fouled FO membrane when applied wastewater as feed solution by using the next generation sequencing (NGS) analysis. This study can provide useful deep knowledge on biofouling mechanism of FO process and possible insight for basic control strategies of micro-organism sight.
Smart Biodegradable Composite Materials for Waste Water Management
Joginder singh Paneysar | Bombay College of Pharmacy | India
Water contamination and its purification to ensure a healthy life is not only important but also is now a global concern. To accomplish this problem newer techniques and technologies are being developed for the management and accessibility of potable water. It demands a technology that is versatile in terms of elimination spectrum for various contaminants and biodegradability. Purification and recycling of waste water from industrial, rural and urban sources can be one of the prime alternatives to overcome water scarcity. Hence there is a pressing need for development of systems that are in sync with the demand for water recycling not only in industries but also in households. Therefore, the major outcome of this work is to devise a system that is economical, environment friendly (biodegradable), meets industrial standards, user friendly and a good substitute for processes currently being used for water treatment and purification. The system is developed as smart biodegradable composite material which involves the use of polymers and their nanoforms for enhanced water remediation. These nanomaterials as smart biodegradable composites are made up of natural polymers which are grafted with the chemically modified polymers and have ability to change their state at a defined temperature. These novel composites precipitate out of the solution when heated above a certain temperature which enables them to adsorb various impurities onto their surface while precipitating out of solution. All the composites have been characterized by various chemical and spectroscopic techniques and have been screened for their abilities to extract impurities such as organic, herbicides, pesticides, textile dyes, antibiotics & metal ions using sophisticated analytical techniques. The wide spectrum of efficiency to remove all the contaminants in one go is due to the synergistic combination of two materials that in individual capacity have a great efficiency to eliminate either organic or inorganic pollutants from water. It has also been established that the composites are completely reusable, recyclable that extract and eliminate industrial, agricultural and house hold impurities with minimum operating costs and moving parts. Thus, the operation with minimum energy requirement, lesser maintenance and higher degree of treatment marques the composites as ideal alternatives to the current technologies being practiced for water purification.
Fluorite removal by modified activated aluminum for wastewater reuse
Prof. Chihpin Huang | National Chiao Tung Uviversirt | Taiwan
The study aimed to investigate the operating parameters usingactivated alumina after the surface modification by acidification for the treatment of fluoride-containing wastewater, and to evaluate its feasibility of regeneration by NaOH.
Assessments of recycled water sources for recreational water replenishment in urban area
Prof. Gen-Shuh Wang | National Taiwan University | Taiwan
UV/H2O2 was adopted to treat the organic matters in wastewater effluents and subsequent DBPFPs were measured. Although UVH2O2 can effectively degrade the organics in wastewater, both the THMFP and HAAFP increase in the beginning stage of oxidation. When contact time is short, the intermediate organics favors HAAs formation. After longer contact time, the residual organics favors THMs formation.
Supporting water reuse by innovative materials - BMBF Funding Measure “Materials for a sustainable water management (MachWas)”
Sabrina Giebner | DECHEMA e.V. | Germany
The funding measure “Materials for a sustainable water management – MachWas” of the Federal Ministry of Education and Research (BMBF) supports the research and development of materials for a sustainable water management.
Water is the most important resource for humans, nature and economy and cannot be produced or replaced by other resources. Therefore, it must be sustainably protected and managed for future generations. Primary fields of action to achieve this are the development of efficient wastewater technologies, the closing of material and water cycles, the reduction of water consumption, the elimination of anthropogenic pollutants and the better use of wastewater as a resource. Water reclamation and reuse is one of the most important water-saving strategies.
The research and development projects of the BMBF funding measure “MachWas” are to contribute to minimizing water consumption and maximising water availability by means of innovations and to provide effective impulses for sustainable management of water resources through new materials for water treatment and extraction technologies. The funding measure includes 13 collaborative projects involving 75 project partners in four thematic fields addressing a broad spectrum of materials: "Materials for membrane processes", "Materials for oxidative and reductive processes", "Adsorption materials" and "Materials for further applications in water technology".
The accompanying network and transfer project “MachWasPlus” is the central contact point for the funding measure “MachWas” and supports the dialogue among the projects and beyond.
Energy recovery from solids produced in biological domestic wastewater treatment.
Prof. Dr. Yves ANDRES | IMT Atlantique | France
The aim of the presented paper is to contribute to solve the water reuse bottlenecks by Energy and nutrient recovery from the activated sludge wastewater treatment process by building the wastewater treatment plants with an integrative approach developed in biorefinery technologies, treating the wastewater but also recovering energy from the by-products such as grease or sludge.
Life Cycle Assessment of heat recovery systems for use with drain water from commercial kitchens
Isabel Schestak | Bangor University | United Kingdom
This study assesses the environmental sustainability of heat recovery systems for use with drain water from commercial kitchens, applying Life Cycle Assessment methodology. Two systems made from different materials and consisting of heat exchanger, pipework and fittings are studied. Life Cycle environmental impacts are compared to potential energy savings in a case study and on UK national level.
The 4th treatment step - Our way towards reuse in Germany?
Jens Scheideler | Xylem Services GmbH | Germany
The implementation of a 4th treatment step in WWTP in Germany and Switzerland for the removal of trace organic contaminants has a significant impact on the water quality being discharged by the treatment plants. Can this water now be reused in the context of european and national guidelines? What is the business case for the utilities as well a current public perception on reuse in Europe?