Results 31 to 40 of about 297,922 (356)

Presence of SARS-Coronavirus-2 in sewage

medRxiv, 2020
In the current COVID-19 pandemic, a significant proportion of cases shed SARS-Coronavirus-2 (SARS-CoV-2) with their faeces. To determine if SARS-CoV-2 is present in sewage during the emergence of COVID-19 in the Netherlands, sewage samples of 7 cities ...
G. Medema, L. Heijnen, G. Elsinga, R. Italiaander, A. Brouwer   +4 more
semanticscholar   +1 more source

Co-pyrolysis of sewage sludge and biomass for stabilizing heavy metals and reducing biochar toxicity: A review

Environmental Chemistry Letters, 2022
The huge amounts of sewage sludge produced by municipal wastewater treatment plants induce major environmental and economical issues, calling for advanced disposal methods.
B. Mohamed, R. Ruan, M. Bilal, N. Khan, M. Awasthi, M. Amer, Lijian Leng, Mohamed A Hamouda, D. Vo, Jun Yu Li   +9 more
semanticscholar   +1 more source

Al2O3 Nanoparticles Promote the Removal of Carbamazepine in Water by Chlorella vulgaris Immobilized in Sodium Alginate Gel Beads

Journal of Chemistry, 2020
The roles of Al2O3 nanoparticles on the removal of carbamazepine (CBZ) by Chlorella vulgaris immobilized in sodium alginate gel beads were for the first time investigated. The optimum conditions to prepare immobilized C.
Wu Yi-cheng, Yang Ai-li, Gao Wei, Fu Hai-yan, Wang Ze-jie   +4 more
doaj   +1 more source

Structural changes in lipid-free humic acids during composting of sewage sludge [PDF]

, 2005
Structural changes in humic acids (HAs), extracted after lipid removal from sewage sludge during composting, were investigated using various chemical methods (elemental analysis, Fourier transform infrared spectroscopy and 13C-nuclear magnetic resonance
Amir, Soumia, Hafidi, Mohamed, Revel, J.C., Merlina, Georges, Revel, Jean-Claude   +4 more
core   +1 more source

Microplastics in Sewage Sludge: Effects of Treatment.

Environmental Science and Technology, 2017
Waste water treatment plants (WWTPs) are receptors for the cumulative loading of microplastics (MPs) derived from industry, landfill, domestic wastewater and stormwater.
A. M. Mahon, B. O'Connell, M. Healy, I. O’Connor, R. Officer, R. Nash, L. Morrison   +6 more
semanticscholar   +1 more source

A large-scale wastewater treatment plant operation experience and process control analysis in Zhengzhou

Gongye shui chuli
Stable operation of wastewater plants under overload has been a hot spot of concern for researchers，and efficient nitrogen and phosphorus removal is a difficult point in the process of stable operation.
WANG Ronghong, FAN Xiaolong, MAO Di, YI Haiming, WANG Ning, MA Yuanyuan, ZHANG Dewei   +6 more
doaj   +1 more source

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

E3S 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, Mołczan Marek, Szerzyna Sławomir, Adamski Wojciech, Wiśniewski Jacek, Ferenc Zbigniew, Sambor Aleksandra, Żółtowska Małgorzata   +7 more
doaj   +1 more source

Effect of Low-Temperature Conditioning of Excess Dairy Sewage Sludge with the Use of Solidified Carbon Dioxide on the Efficiency of Methane Fermentation

Energies, 2020
This study aimed to determine the effect of the low-temperature conditioning of excess dairy sewage sludge using solidified carbon dioxide on the efficiency of methane fermentation.
Joanna Kazimierowicz, Izabela Bartkowska, Maria Walery   +2 more
doaj   +1 more source

Heavy metal content of vegetables irrigated with mixtures of wastewater and sewage sludge in Zimbabwe: Implications for human health

, 2005
There is growing public concern in Zimbabwe over the illegal cultivation of vegetables on soils amended with sewage sludge or irrigated with admixtures of sewage and sewage sludge. Excessive accumulation of heavy metals in agricultural soils may not only
Scrimshaw, MD, Lester, JN, Zvauya, R, Muchuweti, M, Birkett, JW, Chinyanga, E   +5 more
core   +1 more source

Effectiveness analysis of a wastewater treatment plant retrofitted by MBBR in a cold plateau region

Gongye shui chuli
To further implement environmental protection policies on the Qinghai-Tibet Plateau, a wastewater treatment plant at an altitude of 2 200 m with a capacity of 85 000 tons per day was retrofitted by moving bed biofilm reactor(MBBR) process.
LI Na, REN Qiping, FAN Hang
doaj   +1 more source