Results 11 to 20 of about 59,335 (311)

Optimization of nitrogen and carbon removal with simultaneous partial nitrification, anammox and denitrification in membrane bioreactor

open access: yesRoyal Society Open Science, 2020
In this study, a membrane bioreactor (MBR) was used to achieve both nitrogen and carbon removal by a simultaneous partial nitrification, anammox and denitrification (SNAD) process. During the entire experiment, the intermittent aeration (non-aerobic time
Kai Zhang   +7 more
doaj   +1 more source

Contamination and Ecological Risk Assessment of Heavy Metals in Surface Sediments of Huangshui River, Northwest China

open access: yesJournal of Chemistry, 2022
In the Xining area of Huangshui River, China, the concentrations of globally alarming toxic heavy metals such as chromium (Cr), arsenic (As), lead (Pb), cadmium (Cd), and zinc (Zn) in the surface sediments were measured to determine the ecological risks ...
Liwei Chen   +4 more
doaj   +1 more source

Treatment and Disposal Technology of Surplus Sludge in Urban and Town Sewage Treatment Plant [PDF]

open access: yesE3S Web of Conferences, 2020
with the continuous acceleration of urban and town construction, the output of urban and town sewage is also increasing. To a great extent, this promotes the technological development and capacity expansion of urban and town sewage treatment plants.
Jia Li
doaj   +1 more source

The Treatment of Sewage [PDF]

open access: yesScientific American, 1886
n ...
openaire   +2 more sources

Residual and ecological risk assessment of heavy metals in fly ash from co-combustion of excess sludge and coal

open access: yesScientific Reports, 2021
Co-combustion of municipal excess sludge (ES) and coal provides an alternative method for disposing ES. The present study aims to investigate the residual and ecological risk of heavy metals in fly ash from co-combustion of ES and coal.
Yao Tang   +4 more
doaj   +1 more source

An evaluation of the adsorption process in removing organic substances in a pilot flow-type surface water treatment system

open access: yesE3S Web of Conferences, 2018
This article presents the results of the adsorption process effectiveness in treating surface water, especially in removing organic substances. The effectiveness of the adsorption system was evaluated at different levels of adsorption capacity exhaustion
Wolska Małgorzata   +7 more
doaj   +1 more source

Effects of Harmful Cyanobacteria on Drinking Water Source Quality and Ecosystems

open access: yesToxins, 2023
A seasonal plethora of cyanobacteria in the plankton community can have severe implications, not only for water ecosystems but also for the availability of treated water.
Marlena Piontek   +2 more
doaj   +1 more source

The research status of several technologies capable of integrating wastewater treatment with carbon capture [PDF]

open access: yesE3S Web of Conferences, 2023
Since the Paris Agreement was proposed, many industries need to make efforts to save energy and reduce emissions. It is understood that the sewage treatment industry accounts for about 3% of global greenhouse gas (GHG) emissions, and with the ...
Zhu Pengyu
doaj   +1 more source

Home - About - Disclaimer - Privacy