Results 11 to 20 of about 290,897 (310)

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

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

Global nitrogen and phosphate in urban wastewater for the period 1970 to 2050 [PDF]

open access: yes, 2009
This paper presents estimates for global N and P emissions from sewage for the period 1970-2050 for the four Millennium Ecosystem Assessment scenarios.
Bouwman, A.F.   +3 more
core   +2 more sources

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

Sewage treatment system for improving energy efficiency based on particle swarm optimization algorithm

open access: yesEnergy Reports, 2022
The sewage treatment system based on particle swarm optimization algorithm to improve energy efficiency is analyzed. Firstly, this paper takes particle swarm optimization algorithm and activated sludge sewage treatment method as the research object, and ...
Bingqin Su   +5 more
doaj   +1 more source

Hydromorphological control of phosphorus in a large free-flowing gravel bed river: the Garonne river (France) [PDF]

open access: yes, 2001
The objective of this paper is to relate phosphorus (P) transport dynamics and hydromorphological characteristics of a large human-influenced river, the River Garonne within a sector receiving the waste water of a sewage treatment plant for a population ...
Agnew   +49 more
core   +1 more source

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

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

Flood impacts on urban road connectivity in southern China

open access: yesScientific Reports, 2022
Effective measures to improve road accessibility during storms are required as traffic congestion caused by storm floods increasingly constrains the efficiency of urban commuting.
Ruitao Zhou   +4 more
doaj   +1 more source

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