Results 21 to 30 of about 229,924 (266)

Performance improvement of the Sarcheshmeh Copper Complex Cu-Mo thickener using a vane type feedwell [PDF]

International Journal of Mining and Geo-Engineering, 2019
Water plays a key role in mineral processing plants. In order to process one ton of ore, 2.5 ton water is needed. Thickeners are commonly used for dewatering and recovering the water in most mineral processing plants.
Gholamabbas Parsapour, Farhad Molhem, Hamidreza Montazari, Ehsan Arghavani, Gholamreza Biniaz, Samad Banisi   +5 more
doaj   +1 more source

Synthesis, Crystal Structures and Urease Inhibition of 4-Bromo-N'-(1-(pyridin-2-yl)ethylidene)benzohydrazide and Its Dinuclear Copper(II) Complex

Acta Chimica Slovenica, 2021
A new dinuclear copper(II) complex [Cu2(μ-Br)2L2]·0.5MeOH with the benzohydrazone ligand 4-bromo-N'-(1-(pyridin-2-yl)ethylidene)benzohydrazide (HL) has been synthesized and characterized by elemental analysis, IR and UV-Vis spectroscopic studies.
Hui Zhao, Xiu-Rui Liu, Xue Wang, Jing Hu, Ya-Jun Cai, Qi-An Peng   +5 more
doaj   +1 more source

Mixed moderate thermophilic bioleaching of Cu, Mo and Re from molybdenite concentrate: effects of silver ion, medium and energy sources [PDF]

International Journal of Mining and Geo-Engineering, 2017
This study evaluates the effects of different additives such as silver ion, medium and energy sources on the efficiency of mixed moderate thermophilic bioleaching approach to extract Cu, Mo and Re from molybdenite concentrate containing 0.98% Cu, 1.56 ...
Hadi Abdollahi, Sied Ziaeddin Shafaei, Mohammad Noaparast, Zahra Manafi   +3 more
doaj   +1 more source

Synthesis, Characterization and Crystal Structures of Schiff Base Copper Complexes with Urease Inhibitory Activity

Acta Chimica Slovenica, 2021
Urease inhibitors can inhibit the decomposition rate of urea, and decrease the air pollution caused by ammonia. In this paper, four new copper(II) complexes [CuL(ONO2)]n (1), [Cu2L2(μ1,3-N3)2] (2), [CuBrL] (3), and [CuClL] (4), where L = 5-bromo-2-(((2 ...
Shuang Han, Yuan Wang
doaj   +1 more source

Copper(II) and Zinc(II) Complexes Derived from N,N’-Bis(4-bromosalicylidene)propane-1,3-diamine: Syntheses, Crystal Structures and Antimicrobial Activity

Acta Chimica Slovenica, 2021
A mononuclear copper(II) complex, [CuL] (1), and a phenolato-bridged trinuclear zinc(II) complex, [Zn3Cl2L2(DMF)2] (2), where L is the deprotonated form of N,N’-bis(4-bromosalicylidene)propane-1,3-diamine (H2L), have been prepared and characterized by ...
Yu-Mei Hao
doaj   +1 more source

Biorremoción de iones de hierro de la solución de refinado de cobre utilizando “semilla” de jarosita biosintética promovida por Acidithiobacillus ferrooxidans

Revista de Metalurgia, 2020
La disminución de la concentración de iones de hierro de una solución de refinado procedente de la extracción con solvente de cobre es importante para mantener una buena eficiencia de corriente en el proceso de electrolisis.
Nasim Eftekhari, Mohammad Kargar, Farokh Rokhbakhsh Zamin, Nahid Rastakhiz, Zahra Manafi   +4 more
doaj   +1 more source

An Analysis of the Influence of Cylinder Dimension Ratio and Lifting Velocity on the Slump Test Results

Applied Rheology, 2015
As a fundamental rheological property, shear yield stress is used to assess the flowability of suspensions. Slump test is a cheap and quick experiment which is commonly used to estimate shear yield stress on-site.
Garmsiri Mohammad Reza, Shirazi Hassan Haji Amin, Yarahmadi Mohammad Reza   +2 more
doaj   +1 more source

Increasing the Efficiency of Deep Cone Thickeners of the Sarcheshmeh Copper Complex by Improving Flocculant Conditioning [PDF]

Iranian Journal of Chemistry & Chemical Engineering
Mineral processing plants require a large amount of water; for this reason, maximum water recovery and recycling are essential. One of the most important equipment in the solid-liquid separation process is the thickener.
Elham Ramazani, Sajad Molayousofi, Hamed Sarvarizade, Gholamabbas Parsapour, Eisa Yousofnia, Reza Shoja   +5 more
doaj   +1 more source

Synthesis, crystal structure and Hirshfeld surface analysis of di-μ2-iodido-bis[(2,2′-biquinoline-κ2N,N′)copper(I)]

Acta Crystallographica Section E: Crystallographic Communications, 2023
The molecular and crystal structures of the title compound, [Cu2I2(C18H12N2)2], were examined by single-crystal X-ray diffraction and Hirshfeld surface analysis.
Ayalew W. Temesgen, Anton P. Novikov, Alexander G. Tskhovrebov, Ekaterina K. Kultyshkina, Tuan Anh Le   +4 more
doaj   +1 more source

Targeting Ubiquitin–Proteasome System With Copper Complexes for Cancer Therapy

Frontiers in Molecular Biosciences, 2021
Characterizing mechanisms of protein homeostasis, a process of balancing between protein synthesis and protein degradation, is important for understanding the potential causes of human diseases.
Xin Chen, Q. Ping Dou, Q. Ping Dou, Q. Ping Dou, Jinbao Liu, Daolin Tang   +5 more
doaj   +1 more source