Results 41 to 50 of about 133,911 (314)
Water Science and Technology, 2021 Heavy metals are one of the most dangerous and critical threats to human and environment. In this study, the adsorption efficiency of activated carbon from cassava peels considered as agricultural waste (CPR) was evaluated for removal of heavy metals Cr (
A. Belcaid +4 more
doaj +1 more source
Filtration and transport of heavy metals in graphene oxide enabled sand columns [PDF]
, 2014 A fixed-bed sand column with graphene oxide (GO) layer was used to remove heavy metals (Cu(II) and Pb(II)) from an aqueous solution injected under steady flow.
Ding, Zhuhong +3 more
core +3 more sources
Heavy metal adsorption changes of EAF steel slag after phosphorus adsorption
Water Science and Technology, 2012 A kind of electric arc furnace (EAF) steel slag was phosphated, and its isothermal and dynamic adsorptions of copper, cadmium, and lead ions were measured to determine if heavy metal adsorption changes after phosphorus adsorption. The surface area increased greatly after the slag was phosphated.
Guanling, Song +4 more
openaire +2 more sources
Adsorption of heavy metals by brewery biomass [PDF]
Korean Journal of Chemical Engineering, 2005 In this work, biosorption of lead, copper and cadmium by waste brewery yeast has been studied. The adsorption capacity for lead, copper and cadmium on the biomass increased with the increasing temperature and the maximum uptakes were 0.465 mmolPb/g (96.4 mg/g), 0.769 mmolCu/g (48.9 mg/g) and 0.127 mmolCd/g (14.3 mg/g) at 308 K.
Kim, TY +6 more
openaire +2 more sources
HeliyonThe increasing presence of plastics in the environment has raised concerns about their potential impact, especially as carriers of heavy metals such as Cd, Ni, and Pb.
Anda-Gabriela Tenea +8 more
doaj +1 more source
Evaluation of the Removal of Heavy Metals (Cadmium Lead, and Zinc) from Aqueous Solutions using Multi-Walled Carbon Nanotubes Modified with Chitosan [PDF]
آب و فاضلاب, 2018 Discharge of toxic metals such as cadmium (Cu), lead (Pb), and zinc (Zn) in the environment can impact the quality of air and water. High concentration of these toxic metals larger than the regulated concentration in the air and water can pose serious ...
Farzad Hashemzadeh +3 more
doaj +1 more source
The Study of Heavy Metal Adsorption on the Surface of Fungi Compost [PDF]
, 2015 The heavy meta l adsorption on the surface of fungi compost is one of the alternative technologies. In this study fungi composts were used and we measured the heavy metal adsorption capacities.
Czikkely, Márton +2 more
core
Treatment from abandoned mine landfill leachates. Adsorption technology
Journal of Materials Research and Technology, 2019 This study defines the optimal parameters that allow the use of red mud waste from the Bayer process to remove heavy metals from leachate from an abandoned mine.
Julia Ayala, Begoña Fernández
doaj +1 more source
Case Studies in Chemical and Environmental Engineering, 2023 Heavy metal pollution is a serious environmental problem that poses a threat to human health and the environment. Water pollution by toxic heavy metals is a major cause of this problem, and it can destroy ecosystems, spread disease, and make drinking ...
Kosar Hikmat Hama Aziz, Rzgar Kareem
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Removing Oxide Layers and Retaining Oxide‐Free Steel Surfaces by Polishing in Oxygen‐Free Atmosphere
Advanced Engineering Materials, EarlyView.In this study, the efficacy of wet mechanical polishing under an oxygen‐free atmosphere for deoxidation and the retention of an oxide‐free steel surface are elucidated using X‐ray photoelectron spectroscopy. The methodology proved successful; however, the results were highly dependent on the preparation of the solvents used to clean the samples after ...
Friedrich Bürger +2 more
wiley +1 more source