Efficient preparation of graphene oxide-immobilized copper complex and its catalytic performance in the synthesis of imidazoles [PDF]
Frontiers in Chemistry, 2023 This paper focused on the synthesis of phenylthiocarbamide-grafted graphene oxide (GO)-supported Cu complex (Cu-PTC@GO) as a highly efficient and recyclable catalyst synthesis by various analytical techniques such as TG, FT-IR, XRD, BET, N2 adsorption ...
Shahram Heidari +2 more
doaj +2 more sources
Chemical removal of calcium sulfate deposits from irrigation water transmission pipelines (Case study: Sedimentation of water transmission line from Sarcheshmeh copper complex tailing dam for agricultural use in downstream areas) [PDF]
رویکردهای نوین در مهندسی آب و محیط زیست, 2023 Clogging and blockage of water transmission pipelines is one of the problems that reduce discharge downstream by creating various sediments. The aim of this study was to identify and remove the constraints caused by sediment in the water transmission ...
Anita Afkhami +5 more
doaj +1 more source
Electrosprayed Chitosan–Copper Complex Microspheres with Uniform Size [PDF]
Materials, 2021 Marica IVANKOVIĆ +2 more
exaly +2 more sources
An increase in the Copper Recovery of the Sarcheshmeh Copper Complex through Reagent Modifications [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2022 In the flotation of sulfide minerals, particularly in the separation between pyrite and chalcopyrite, adjustment of the pH and reagents dosages is very important. Process auditing at the Sarcheshmeh copper complex showed that the pH in the rougher cells
Ehsan Salajegheh +2 more
doaj +1 more source
Hypogene enrichment in Miduk porphyry copper ore deposit, Iran
Scientific Reports, 2022 This study was planned with the aim of identifying the nature and circumstances of the high-graded central core and increasing trend of copper content through depth of 1000 m in Miduk PCD. Mechanisms of high-grading, refer to hypogene enrichment (HE), in
L. Yousefi Soorani +4 more
doaj +1 more source
Energies, 2023 Oxygen lances are key equipment for copper converters. The effect of the lance arrangement on the mixing of a gas–slag two–phase is discussed using numerical simulation and experimental verification with a water model, and the stirring characteristics ...
Wenjie Li +8 more
doaj +1 more source
Photoactive Copper Complexes: Properties and Applications [PDF]
Chemical Reviews, 2022 Photocatalyzed and photosensitized chemical processes have seen growing interest recently and have become among the most active areas of chemical research, notably due to their applications in fields such as medicine, chemical synthesis, material science or environmental chemistry.
Jérôme Beaudelot +6 more
openaire +3 more sources
A sustainable approach to replace bleed stream in electrical refining of copper
Materials Letters: X, 2022 Despite extensive studies on electrorefining to remove impurities from copper production units, bleeding electrolytes is the most popular method for controlling impurities due to low operating costs.
Mohammadreza Shojaei +2 more
doaj +1 more source
Optimizing the cut off grade in Sarcheshmeh copper mine using Lane Quartet Model [PDF]
Journal of Mining and Metallurgy. Section A: Mining, 2016 Lane Algorithm is used to determine optimum cut off grade for a mining operation. There may be three parts in each operation: mining, concentration and refining.
Maleki B. +2 more
doaj +1 more source
Automated Surface Defect Detection in Copper Blanks Using YOLOv8 Segmentation and EfficientNetV2-S Classification [PDF]
Journal of Artificial Intelligence and Data MiningIn this study, an intelligent deep learning–based system is proposed for automated detection of surface defects in copper cathode blanks used in the electrorefining process.
Hossein Ghayoumi Zadeh +8 more
doaj +1 more source