Results 21 to 30 of about 43,332 (285)

Use of DAIME for characterisation of activated sludge flocs

Archives of Environmental Protection, 2017
Monitoring of activated sludge flocs may provide important information for effective operation and control of wastewater treatment. The research objective is to demonstrate methodology for activated sludge image processing aimed to describe morphological
Gnida Anna
doaj   +1 more source

Primary and Activated Sludge Biogas Production: Effect of Temperature

Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2018
Sewage sludge management is a problem of growing importance. Anaerobic sewage sludge stabilization is commonly used technology, where organic matter contained in primary and activated sewage sludge is converted into biogas, so both, pollution control and
Tereza Dokulilová, Tomáš Vítěz, Jan Chovanec, Robert Rous, Monika Vítězová, Ivan Kushkevych   +5 more
doaj   +1 more source

Removal of steroid estrogens in carbonaceous and nitrifying activated sludge processes [PDF]

, 2010
This is the post-print version of the final paper published in Chemosphere. The published article is available from the link below. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other
Chiu, TY, Yoong K.K. Koh, Scrimshaw, MD, Lester, JN, John N. Lester, Tze Y. Chiu, Mark D. Scrimshaw, John P. Bagnall, Cartmell, E, Ewan J. McAdam, Pollard, S, Simon Pollard, Bagnall, JP, McAdam, EJ, Elise Cartmell, Koh, YKK   +15 more
core   +1 more source

Development of microbial communities in biofilm and activated sludge in a hybrid reactor

Scientific Reports, 2022
Microorganisms play a key role in biological wastewater treatment. The form in which biomass develops determines the efficiency and mechanisms of organic compound conversion, due to different conditions in various microbial structures.
Martyna Godzieba, Monika Zubrowska-Sudol, Justyna Walczak, Slawomir Ciesielski   +3 more
doaj   +1 more source

Ozonation of return activated sludge for disintegration and solubilisation with synthesized titanium oxide as catalyst

E3S Web of Conferences, 2018
Ozonation of activated sludge in the present of titanium dioxide (TiO2) as catalyst to enhance the production of hydroxyl radical was evaluated in comparison to the sole ozonation process.
Mohd Sarif S.F.Z., Alias S.S., Muhammad Ridwan F., Ku Salim K.S., Abidin C.Z.A., Md. Ali U.F.   +5 more
doaj   +1 more source

Phosphorus recovery from calcium phosphate enriched activated sludge [PDF]

E3S Web of Conferences
This study explores the potential of activated sludge from wastewater treatment plants (WWTP) as an alternative source of phosphorus, vital for fertilisers and other products, compared to large-scale phosphorus mining.
Maulidiany Nopa Dwi, Khairunnisa Shafira Maulida   +1 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

Toxic Effect of Ammonium Nitrogen on the Nitrification Process and Acclimatisation of Nitrifying Bacteria to High Concentrations of NH₄-N in Wastewater

Energies, 2021
The aim of the conducted research was to assess the effectiveness of the nitrification process, at different concentrations of ammonium nitrogen, in biologically treated wastewater in one of the largest municipal and industrial wastewater treatment ...
Iwona Beata Paśmionka, Karol Bulski, Piotr Herbut, Elżbieta Boligłowa, Frederico Márcio C. Vieira, Gabriela Bonassa, Marcelo Bortoli, Marina Celant de Prá   +7 more
doaj   +1 more source

Excess Sludge Reduction Using a High-pressure Jet Device via a Modified Ludzack-Ettinger Process: Performance and Microbial Communities

Journal of Water and Environment Technology, 2020
Excess sludge reduction is a central challenge in wastewater treatment, requiring a cost-effective technology. Here, we report the pilot-scale implementation of two Modified Ludzack-Ettinger (MLE) processes with and without a high-pressure jet device ...
Hiroyuki Yoshino, Ayaka Hosoe, Tomoyuki Hori, Masaaki Hosomi, Akihiko Terada   +4 more
doaj   +1 more source

Comparison on nitrosation and anaerobic ammonium oxidation between activated sludge and biofilm from an autotrophic nitrogen removal SBBR

Tecnología y ciencias del agua, 2017
Qin, Y., Guo, J., & Fang, F. (March-April, 2017). Comparison on nitrosation and anaerobic ammonium oxidation between activated sludge and biofilm from an autotrophic nitrogen removal SBBR.
Qin Yu, Guo Jinsong, Fang Fang
doaj   +1 more source