Results 11 to 20 of about 152,702 (261)

Iron (oxyhydr)oxides are responsible for the stabilization of Cu and Zn in AMD after treatment with limestone [PDF]

PeerJ, 2023
The formation and transformation of secondary iron (oxyhydr)oxides and their role in the stabilization of copper (Cu) and zinc (Zn) in acid mine drainage (AMD) after limestone treatment are worth studying to better understand the impacts of limestone AMD
Yuan Ding, Yan Long, Weiya Wang, Zhe Wei, Shuo Cai   +4 more
doaj   +2 more sources

Spatial Differentiation Characteristics and Evaluation of Cu and Cd in Paddy Soil around a Copper Smelter

Toxics, 2023
To accurately evaluate the distribution and bioavailability of potentially toxic elements (PTEs) such as Cu and Cd in farmlands near a copper smelter, we determined the total concentrations (Cu-T and Cd-T), various speciation concentrations of Cu and Cd ...
Yuan Ding, Li Xi, Yujing Wu, Yihong Chen, Xiaoping Guo, Hong Shi, Shuo Cai   +6 more
doaj   +1 more source

Tuning electronic structure of the carbon skeleton to accelerate electron transfer for promoting the capture of gold

Environment International, 2023
The efficient and selective recovery of gold from secondary sources is key to sustainable development. However, the complexity of the recovery environment can significantly complicate the compositions of utilized sorbents. Here, we report a straw-derived
Dewei Li, Xianxin Luo, Penghui Shao, Zhu Meng, Ziwei Yao, Liming Yang, Jiachuang Shao, Hao Dong, Li Zhang, Lingrong Zeng, Xubiao Luo   +10 more
doaj   +1 more source

DIETARY EXPOSURE OF EGYPTIAN CUSTOMERS TO PESTICIDES RESIDUES AND CONTAMINANTS IN SOME FOOD ITEMS [PDF]

Journal of Plant Protection and Pathology, 2009
These studies were estimated the Dietary Exposure of the Egyptian people to pesticide residues (325 pesticides), PCB's (14 congeners), heavy metals (Fe, Cu, Cd, pb , Cr and Zn), nitrates and aflatoxines (B1,B2,G1 and G2) contamination in food.
Abir El-Gohary, Mona Khorshed, E. Salama,   +2 more
doaj   +1 more source

Enhancing the Mn-Removal Efficiency of Acid-Mine Bacterial Consortium: Performance Optimization and Mechanism Study

Microorganisms, 2023
In this study, an acclimated manganese-oxidizing bacteria (MnOB) consortium, QBS-1, was enriched in an acid mine area; then, it was used to eliminate Mn(Ⅱ) in different types of wastewater.
Dongmei Hou, Lan Zhang, Chuncheng Li, Lutong Chen, Jianping Zou   +4 more
doaj   +1 more source

Mixed-valence molybdenum oxide as a recyclable sorbent for silver removal and recovery from wastewater

Nature Communications, 2023
Silver ions in wastewater are a major health hazard, and there is an urgent need to develop methods to reliably extract them. Here, the authors show that mixed-valence molybdenum oxide can selectively adsorb and reduce Ag+ from wastewater and be easily ...
Penghui Shao, Ziwen Chang, Min Li, Xiang Lu, Wenli Jiang, Kai Zhang, Xubiao Luo, Liming Yang   +7 more
doaj   +1 more source

Heavy metal: a misused term? [PDF]

Acta Geochimica, 2021
The use of the term “heavy metal” is questioned by the scientific community and it has been proposed that it should be replaced in the scientific literature.
Pourret, Olivier, Bollinger, Jean-Claude, Hursthouse, Andrew   +2 more
openaire   +4 more sources

Photocatalysis coupled with adsorption of AC@Ni0.5Cu0.5Fe2O4 in peroxydisulfate assisted system efficiently enhance ciprofloxacin removal

Water Science and Technology, 2022
Nickle-copper ferrite (Ni0.5Cu0.5Fe2O4) supported on activated carbon (AC) (AC@Ni0.5Cu0.5Fe2O4) was synthesized and used as adsorbent, photocatalyst, and activator of peroxydisulfate (PDS) to realize the removal of ciprofloxacin (CIP). AC@Ni0.5Cu0.5Fe2O4
Bo Wang, Xuan Cao, Shifeng Li, Shuhua Yao, Haibo Wang   +4 more
doaj   +1 more source

DETERMINATION AND VALIDATION OF INORGANIC BROMIDE BY GAS CHROMATOGRAPHY IN SEVERAL FOODS [PDF]

Journal of Plant Protection and Pathology, 2014
                                                                                                                                                                                                                                                               
Lamia Ryad, R. Gouda, A. Mahmoud
doaj   +1 more source

Insight into the performance and mechanism of magnetic Ni0.5Cu0.5Fe2O4 in activating peroxydisulfate for ciprofloxacin degradation

Water Science and Technology, 2022
Magnetic nickel-copper ferrite (NixCuyFe2O4) nano-catalyst was synthesized by co-precipitation method, and it exhibited excellent ability for activating peroxydisulfate (PDS) in the degradation of ciprofloxacin (CIP).
Bo Wang, Shifeng Li, Haibo Wang, Shuhua Yao   +3 more
doaj   +1 more source