Results 1 to 10 of about 1,967,433 (167)

Membrane Photobioreactor Applied for Municipal Wastewater Treatment at a High Solids Retention Time: Effects of Microalgae Decay on Treatment Performance and Biomass Properties [PDF]

Membranes, 2022
Membrane photobioreactor (MPBR) technology is a microalgae-based system that can simultaneously realize nutrient recovery and microalgae cultivation in a single step. Current research is mainly focused on the operation of MPBR at a medium SRT.
Hui Zou, Neema Christopher Rutta, Shilei Chen, Meijia Zhang, Hongjun Lin, Baoqiang Liao   +5 more
doaj   +2 more sources

Evaluating the Performance of Small Wastewater Treatment Plants

Frontiers in Environmental Science, 2022
An evaluation of the treatment performance of small wastewater treatment plants with the capacity of ≤50 PE (population equivalent) was carried out using data collected in external monitoring reports, taking Upper Austria as an example.
Eva Engstler, David J. Kerschbaumer, Guenter Langergraber   +2 more
doaj   +1 more source

Role of constructed wetlands in mitigating the challenges of industrial growth and climate change impacts in the context of developing countries

Frontiers in Environmental Science, 2022
One of the most persistent issues affecting individuals in developing countries is the lack of access to safe drinking water and sanitary facilities.
Md. Al Sadikul Islam, Tanveer Saeed, Nehreen Majed   +2 more
doaj   +1 more source

Performance of municipal waste stabilization ponds in the Saharan desert (Morocco)

Journal of Water and Climate Change, 2023
The majority of cities in the Saharan territory of south Morocco utilize waste stabilization ponds (WSPs) for municipal wastewater treatment because of their relatively low capital, operational costs, and minimal complexity. New national effluent quality
Badre Achag, Hind Mouhanni, Abdelaziz Bendou   +2 more
doaj   +1 more source

Side-stream sludge treatment using free ammonia for reducing sludge production [PDF]

Chemical Industry and Chemical Engineering Quarterly, 2019
Much attention has been paid to reducing of excess sludge production in the activated sludge process, due to high treatment and disposal costs. In this study, an innovative approach for achieving sludge reduction, which featured recirculating a portion ...
Song Kang, Zhou Xu, Zhou Yi-Wen, Jin Wenbiao, Tu Renjie   +4 more
doaj   +1 more source

Removal of MS2 and fr Bacteriophages Using MgAl₂O₄-Modified, Al₂O₃-Stabilized Porous Ceramic Granules for Drinking Water Treatment

Membranes, 2022
Point-of-use ceramic filters are one of the strategies to address problems associated with waterborne diseases to remove harmful microorganisms in water sources prior to its consumption.
Nur Sena Yüzbasi, Paweł A. Krawczyk, Kamila W. Domagała, Alexander Englert, Michael Burkhardt, Michael Stuer, Thomas Graule   +6 more
doaj   +1 more source

Challenges and developments of bioretention facilities in treating urban stormwater runoff; A review [PDF]

Pollution, 2016
Bioretention or rain garden is a preferable low impact development (LID) approach due to its characteristics which reflect natural water cycle processes.
Husna Takaijudin, Aminuddin Ab Ghani, Nor Azazi Zakaria   +2 more
doaj   +1 more source

Making sense of the French public hospital system: a network-based approach to hospital clustering using unsupervised learning methods

BMC Health Services Research, 2021
Background Hospitals in the public and private sectors tend to join larger organizations to form hospital groups. This increasingly frequent mode of functioning raises the question of how countries should organize their health system, according to the ...
Jan Chrusciel, Adrien Le Guillou, Eric Daoud, David Laplanche, Sandra Steunou, Marie-Caroline Clément, Stéphane Sanchez   +6 more
doaj   +1 more source

Labyrinthine acoustic metamaterials with triangular self-similarity for low-frequency sound insulation at deep subwavelength dimensions

Results in Physics, 2023
Labyrinthine acoustic metamaterials are good choices for realizing sound insulation, acoustic stealth, and acoustic lenses by virtue of their stable performance and rich modes.
Ya-jun Xin, Rui-ning Huang, Peng Li, Quan Qian, Qun Yan, Yong-tao Sun, Qian Ding, Yu-jie Huang, Shu-liang Cheng   +8 more
doaj   +1 more source

Performance of a MBR for the treatment of blackwater

Water Science and Technology, 2011
The paper describes the experience gained in operating a membrane bioreactor (MBR) for the treatment of blackwater. Beside a complete characterization of blackwater, operational conditions and removal efficiency concerning parameters such as COD, BOD5, nitrogen and phosphorus as well as microbiological parameters were determined.
H, Knerr, A, Rechenburg, T, Kistemann, T G, Schmitt   +3 more
openaire   +2 more sources