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Research Progress of Treatment of Black and Odorous Water Bodies with Aeration Technology

open access: yesRenmin Zhujiang, 2022
When treating black and odorous water bodies,the current aeration technology is faced with problems such as unscientific aeration design,unreasonable design of parameters such as aeration volume,aeration time,and influence radius,and unclear mechanism of
WU Zuojingtong   +3 more
doaj  

Dynamical Modelling and Simulation of Waste water Filtration Process by Submerged Membrane Bioreactors [PDF]

open access: yes, 2009
A mathematical model was developed for the filtration process and the influence of aeration on Submerged Membrane Bioreactors. The dynamics of sludge attachment to and detachment from the membrane, in relation to the filtration and a strong intermittent ...
Zarragoitia-González, Alain   +3 more
core   +1 more source

Zootechnical and growth performance of tambaqui (Colossoma macropomum) under different productive models of intensification [PDF]

open access: yesBrazilian Journal of Biology
The objective of this study was to evaluate the zootechnical performance of tambaqui (Colossoma macropomum) for fattening (> 2 kg) under three management strategies on nine fish farms, which were equally distributed as follows: Low Productive Efficiency (
C. A. S. Lima   +6 more
doaj   +1 more source

Biomass effects on oxygen transfer in membrane bioreactors [PDF]

open access: yes, 2007
Ten biomass samples from both municipal and industrial pilot and full scale submerged membrane bioreactors (MBRs) with mixed liquor suspended solids concentrations (MLSS) ranging from 7.2 to 30.2 g L−1 were studied at six air-flow rates (0.7, 1.3, 2.3, 3,
Nelles, F.   +7 more
core   +1 more source

Groundwater quality improvement by using aeration and filtration methods [PDF]

open access: yes, 2013
An experiment was conducted using two aeration methods (water-into-air and air-into-water) and followed by filtration processes using manganese greensand material.
Nik N. Nik Daud   +9 more
core   +1 more source

Artificial aeration of an overloaded constructed wetland improves hypoxia but does not ameliorate high nitrogen loads

open access: yes, 2023
High organic loadings to constructed wetlands can result in water quality issues such as low dissolved oxygen and high ammonium concentrations, with artificial aeration a potential mitigation option.
Farrell, Mark   +4 more
core   +1 more source

Aeration control – a review [PDF]

open access: yesWater Science and Technology, 2013
This review covers automatic control of continuous aeration systems in municipal wastewater treatment plants. The review focuses on published research in the 21st century and describes research into various methods to decide and control the dissolved oxygen (DO) concentration and to control the aerobic volume with special focus on plants with nitrogen ...
Åmand, Linda   +2 more
openaire   +3 more sources

Root Aeration Promotes Cadmium Accumulation in Rice by Regulating Iron Uptake-Associated System

open access: yesRice Science, 2021
Different cadmium (Cd)-accumulated rice genotypes (Erjiunan 1 and Fupin 36) were used to explore the effect of rice rhizosphere aeration on Cd uptake and accumulation.
Huang Qina, Wu Yinliang, Shao Guosheng
doaj   +1 more source

Airflow resistance of wheat bedding as influenced by the filling method

open access: yesResearch in Agricultural Engineering, 2008
A study was conducted to estimate the degree of variability of the airflow resistance in wheat caused by the filling method, compaction of the sample, and airflow direction.
J. Łukaszuk   +4 more
doaj   +1 more source

Research on the artificial control method of the gas nuclei spectrum in the small-scale experimental pool under atmospheric pressure

open access: yesNonlinear Engineering, 2023
With the improvement of the accuracy of experimental devices and measuring instruments, cavitation experiments such as cross-media vehicles and propellers have been carried out in small pools.
Yang Meicheng   +5 more
doaj   +1 more source

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