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View article: Assessing the need for COD fractionation in modelling impacts of source separation on wastewater treatment plants
Assessing the need for COD fractionation in modelling impacts of source separation on wastewater treatment plants Open
Wastewater management challenges can be addressed through source separation strategies, such as urine or grey water separation. To quantify advantages and avoid operational issues, an understanding of the impact of source separation on mun…
View article: Ageing process characterization of innovative substrates in vertical-flow constructed wetlands after treating greywater
Ageing process characterization of innovative substrates in vertical-flow constructed wetlands after treating greywater Open
Vertical flow constructed wetlands (VFCWs) have recently been adopted for surface water pollution mitigation and applied in various treatment types (e.g., stormwater, wastewater, etc.) and target pollutants. However, their longevity and su…
View article: Methodology for Assessing Phosphorus Adsorption Kinetics in Novel Constructed Wetland Materials
Methodology for Assessing Phosphorus Adsorption Kinetics in Novel Constructed Wetland Materials Open
Although various special materials have been studied for their potential for phosphorus removal in constructed wetlands, varying methodologies make direct comparisons of adsorption capacities observed in laboratory experiments difficult. T…
View article: Life Cycle Sustainability Assessment of Greywater Treatment and Rainwater Harvesting for Decentralized Water Reuse in Brazil and Germany
Life Cycle Sustainability Assessment of Greywater Treatment and Rainwater Harvesting for Decentralized Water Reuse in Brazil and Germany Open
Urban water management faces growing pressure from population growth, pollution, and climate variability, demanding innovative strategies to ensure long-term sustainability. This study applies the Life Cycle Sustainability Assessment (LCSA…
View article: Removal of Organic Micropollutants and Microplastics via Ozonation Followed by Granular Activated Carbon Filtration
Removal of Organic Micropollutants and Microplastics via Ozonation Followed by Granular Activated Carbon Filtration Open
Discharge from Wastewater Treatment Plants (WWTPs) can result in the emission of organic micropollutants (OMPs) and microplastics (MPs) into the aquatic environment. To prevent this harmful release, a pilot plant consisting of an ozonation…
View article: Vertical-flow constructed wetlands as a sustainable on-site greywater treatment process for the decrease of micropollutant concentration in urban wastewater and integration to households' water services
Vertical-flow constructed wetlands as a sustainable on-site greywater treatment process for the decrease of micropollutant concentration in urban wastewater and integration to households' water services Open
Micropollutant removal from effluent of conventional wastewater treatment has recently become one of the most discussed topics in the design and operation of wastewater treatment plants (WWTPs). This is due to the need to add a post-treatm…
View article: Nutrient recovery from wastewater for hydroponic systems: A comparative analysis of fertilizer demand, recovery products, and supply potential of WWTPs
Nutrient recovery from wastewater for hydroponic systems: A comparative analysis of fertilizer demand, recovery products, and supply potential of WWTPs Open
Nutrient recovery from wastewater treatment plants (WWTPs) for hydroponic cultivation holds promise for closing the nutrient loop and meeting rising food demands. However, most studies focus on solid products for soil-based agriculture, th…
View article: An Assessment of Options to Improve the Removal of Excess Nutrients from European Wastewater
An Assessment of Options to Improve the Removal of Excess Nutrients from European Wastewater Open
In this contribution we quantify the potential to reduce the discharge of excess nutrients with European wastewater, by modelling pollution, greenhouse gas emissions and the costs of measures under various scenarios. We analyse two types o…
View article: Identification of microplastic pathways within a typical European urban wastewater system
Identification of microplastic pathways within a typical European urban wastewater system Open
In recent years, thermoextraction/desorption‐gas chromatography/mass spectrometry (TED‐GC/MS) has been developed as a rapid detection method for the determination of microplastics (MP) mass contents in numerous environmentally relevant mat…
View article: Microplastic sampling strategies in urban drainage systems for quantification of urban emissions based on transport pathways
Microplastic sampling strategies in urban drainage systems for quantification of urban emissions based on transport pathways Open
Tracking waterborne microplastic (MP) in urban areas is a challenging task because of the various sources and transport pathways involved. Since MP occurs in low concentrations in most wastewater and stormwater streams, large sample volume…
View article: Sampling Strategies of Microplastic in Stormwater Runoff from Separate Drainage Systems
Sampling Strategies of Microplastic in Stormwater Runoff from Separate Drainage Systems Open
The occurrence of microplastic in terrestrial and water environments can be traced back to anthropogenic activities. Urban drainage systems play a role in transporting microplastic from urban sources into receiving waters or soils. The ana…
View article: Combining Shift to Biogas Production in a Large WWTP in China with Optimisation of Nitrogen Removal
Combining Shift to Biogas Production in a Large WWTP in China with Optimisation of Nitrogen Removal Open
Despite the huge current challenges in sewage sludge treatment and disposal in China, anaerobic sludge stabilisation (AnSS) is still not a state-of-the-art process in WWTP in the country. However, the potential benefits of anaerobic sludge…
View article: Thermodynamic Modeling of Phosphorus Recovery from Wastewater
Thermodynamic Modeling of Phosphorus Recovery from Wastewater Open
Municipal wastewater is an interesting source of phosphorus and several processes for the recovery of phosphorus from this source have been described. These processes yield magnesium ammonium phosphate (MAP), a valuable fertilizer. In thes…
View article: Recovery of Ammonium Sulfate Solution by Regeneration of Loaded Clinoptilolite
Recovery of Ammonium Sulfate Solution by Regeneration of Loaded Clinoptilolite Open
The zeolite clinoptilolite (CLI) is known to be a very good ion exchanger, as it consists of a three-dimensional structure formed of AlO4− and SiO4 tetrahedral, which are connected by a common oxygen atom. The micropores formed by this str…
View article: Significance and Vision of Nutrient Recovery for Sustainable City Food Systems in Germany by 2050
Significance and Vision of Nutrient Recovery for Sustainable City Food Systems in Germany by 2050 Open
Within this paper, the authors explain their transdisciplinary vision of nutrient recovery for sustainable urban plant cultivation in Germany from different but complementary perspectives (SUSKULT vision). Nowadays, the demand for fresh, h…
View article: Modelling to Lower Energy Consumption in a Large WWTP in China While Optimising Nitrogen Removal
Modelling to Lower Energy Consumption in a Large WWTP in China While Optimising Nitrogen Removal Open
In the last decade, China has sharply tightened the monitoring values for wastewater treatment plants (WWTPs). In some regions with sensitive discharge water bodies, the values (24 h composite sample) must be 1.5 mg/L for NH4-N and 10 mg/L…
View article: Elevated Vertical-Flow Constructed Wetlands for Light Greywater Treatment
Elevated Vertical-Flow Constructed Wetlands for Light Greywater Treatment Open
Integrated planning of urban blue–green infrastructures is crucial to strengthen urban environmental quality and mitigate negative climate change-associated effects. It implies, however, increased water demand for irrigation, wherefore gre…
View article: Correction: Wasielewski, S., et al. Evaluation of Different Clinoptilolite Zeolites as Adsorbent for Ammonium Removal from Highly Concentrated Synthetic Wastewater. Water 2018, 10, 584
Correction: Wasielewski, S., et al. Evaluation of Different Clinoptilolite Zeolites as Adsorbent for Ammonium Removal from Highly Concentrated Synthetic Wastewater. Water 2018, 10, 584 Open
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View article: Development of a Self-Sustaining Wastewater Treatment with Phosphorus Recovery for Small Rural Settlements
Development of a Self-Sustaining Wastewater Treatment with Phosphorus Recovery for Small Rural Settlements Open
Global trends such as climate change and the scarcity of sustainable raw materials require adaptive, more flexible and resource-saving wastewater infrastructures for rural areas. Since 2018, in the community Reinighof, an isolated site in …
View article: Application of Natural Clinoptilolite for Ammonium Removal from Sludge Water
Application of Natural Clinoptilolite for Ammonium Removal from Sludge Water Open
Sludge water (SW) arising from the dewatering of anaerobic digested sludge causes high back loads of ammonium, leading to high stress (inhibition of the activity of microorganisms by an oversupply of nitrogen compounds (substrate inhibitio…
View article: Phosphorus recovery from sewage sludge – phosphorus leaching behavior from aluminum-containing tertiary and anaerobically digested sludge
Phosphorus recovery from sewage sludge – phosphorus leaching behavior from aluminum-containing tertiary and anaerobically digested sludge Open
Systematic investigations of the acidic dissolution of phosphorus (P), aluminum (Al), iron (Fe), and calcium (Ca) from Al-containing tertiary sludge were carried out in this work. The results were compared with the dissolution behavior of …
View article: Advanced Wastewater Treatment to Eliminate Organic Micropollutants in Wastewater Treatment Plants in Combination with Energy-Efficient Electrolysis at WWTP Mainz
Advanced Wastewater Treatment to Eliminate Organic Micropollutants in Wastewater Treatment Plants in Combination with Energy-Efficient Electrolysis at WWTP Mainz Open
To achieve the Paris climate protection goals there is an urgent need for action in the energy sector. Innovative concepts in the fields of short-term flexibility, long-term energy storage and energy conversion are required to defossilize …
View article: The Possible Roles of Wastewater Treatment Plants in Sector Coupling
The Possible Roles of Wastewater Treatment Plants in Sector Coupling Open
The development of a power system based on high shares of renewable energy sources puts high demands on power grids and the remaining controllable power generation plants, load management and the storage of energy. To reach climate protect…