Results 21 to 30 of about 14,286,481 (305)

Sustainable Preparation of Graphene Quantum Dots for Metal Ion Sensing Application

open access: yesNanomaterials, 2022
Over the past several years, graphene quantum dots (GQDs) have been extensively studied in water treatment and sensing applications because of their exceptional structure-related properties, intrinsic inert carbon property, eco-friendly nature, etc. This
Asif Saud   +5 more
doaj   +1 more source

Effects of High Pharmaceutical Concentrations in Domestic Wastewater on Membrane Bioreactor Treatment Systems: Performance and Microbial Community

open access: yesMembranes, 2023
Despite pharmaceuticals being widely detected in water-bodies worldwide, what remain unclear are the effects of high pharmaceutical concentrations on the treatment efficiency of biological wastewater treatment processes, such as membrane bioreactor (MBR)
Chengyue Li   +3 more
doaj   +1 more source

Low-temperature conversion of Fe-rich sludge to KFeS2 whisker: a new flocculant synthesis from laboratory scale to pilot scale

open access: yesSustainable Environment Research, 2021
Herein, a KFeS2 whisker was formed in mass production at a low temperature, with waste cold-rolling sludge as Fe source, which exhibited good performance in the removal of Zn/Ni from real electroplating effluent.
Dongxu Liang   +6 more
doaj   +1 more source

Integration of a pure moving bed biofilm reactor process into a large micro-polluted water treatment plant

open access: yesWater Science and Technology, 2022
The pure-MBBR process was applied to remove ammonia in a full-scale micro-polluted-water treatment plant with a daily treatment capacity of 260 × 104 m3/d, Guangdong, China.
Wenjie Han   +9 more
doaj   +1 more source

Treatment Wetlands [PDF]

open access: yes, 2017
Overview of Treatment Wetlands; Fundamentals of Treatment Wetlands; Horizontal Flow Wetlands; Vertical Flow Wetlands; French Vertical Flow Wetlands; Intensified and Modified Wetlands; Free Water Surface Wetlands; Other Applications; Additional ...
Molle, Pascal   +6 more
core   +1 more source

Evaluation of nutrient stoichiometric relationships among ecosystem compartments of a subtropical treatment wetland. Do we have “Redfield wetlands”?

open access: yesEcological Processes, 2019
Background Evaluation of carbon (C), nitrogen (N), and phosphorus (P) ratios in aquatic and terrestrial ecosystems can advance our understanding of biological processes, nutrient cycling, and the fate of organic matter (OM) in these ecosystems ...
Paul Julian   +7 more
doaj   +1 more source

Removal of Azo Dye Carmoisine by Adsorption Process on Diatomite

open access: yesAdsorption Science & Technology, 2022
This work aims to evaluate the adsorption capacity of an abundant natural diatomite (ND) to remove the azo dye carmoisine, known as a harmful emerging organic pollutant. Indeed, to the best of our knowledge, no results were reported on this subject.
Kotbia Labiod   +6 more
doaj   +1 more source

In-Depth Insight into the Ag/CNQDs/g-C3N4 Photocatalytic Degradation of Typical Antibiotics: Influence Factor, Mechanism and Toxicity Evaluation of Intermediates

open access: yesMolecules, 2023
In this paper, the photocatalytic degradation efficiency of typical antibiotics (norfloxacin (NOR), sulfamethoxazole (SMX) and tetracycline hydrochloride (TCH)) by Ag/CNQDs/g-C3N4 under visible light irradiation was studied.
Chen Li   +8 more
doaj   +1 more source

Preparation and Self-Cleaning Performance of High-Strength Double-Layer PVDF-PVC-Nano-Graphite/PVDF-PVC Super-Hydrophobic Composite Membrane

open access: yesMolecules, 2023
The double-layer PVDF-PVC (D-PP/PP) super-hydrophobic composite membrane was prepared by the coating immersion phase separation method to enhance the mechanical properties of the composite membrane.
Dashuai Zhang   +7 more
doaj   +1 more source

Water Treatment

open access: yes, 2021
Les procédés de coagulation et de floculation facilitent l’élimination des MESet des colloïdes en les rassemblant sous forme de floc dont la séparation est ensuite effectuée par des systèmes de décantation, flottation et/ou filtration (voir décantation et filtration, de même que floculateurs - décanteurs - flottateurs et les filtres).Ils constituent ...
openaire   +2 more sources

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