نتایج جستجو برای: copper anode slimes
تعداد نتایج: 93596 فیلتر نتایج به سال:
insulator, and this in turn carries a 1-, in. brass rod, Q, fixed and sealed in position by a screw cap, R, and 0-ring gasket. The tungsten-anode wire, S (0-1 mm. diameter), is sheathed by a copper tube, T (diameter i16in.) to which it is soldered at its upper end. This is held in the rod, Q, by a small grubscrew. By this means the whole anode assembly is easily taken apart for cleaning and cha...
The influence of conditioning on the flotation of pyrrhotite in the presence of chlorite was investigated through flotation tests, sedimentation tests, and X-ray photoelectron spectroscopy (XPS) analysis. The flotation results show that chlorite slimes dramatically impair the flotation of pyrrhotite. Sedimentation and flotation tests reveal that conditioning can effectively remove chlorite slim...
A high full-electrode basis capacity secondary battery anode consisting of a template-free 3D nanostructured Fe3O4/C composite is presented. On a full electrode basis, the nanocomposite exhibits attractive electrochemical performance including a volumetric capacity of 1064 mAh cm(-3), which significantly exceeds both the practical (≈300 mAh cm(-3)) and theoretical (837 mAh cm(-3)) capacity of a...
Silicon is an attractive alloy-type anode material because of its highest known capacity (4200 mAh/g). However, lithium insertion into and extraction from silicon are accompanied by a huge volume change, up to 300%, which induces a strong strain on silicon and causes pulverization and rapid capacity fading due to the loss of the electrical contact between part of silicon and current collector. ...
Background and purpose: Indirect electro-oxidation method with H2O2 electrogeneration is an electrochemical process for wastewater treatment based on the production of hydroxyl radicals by means of H2O2 generation in the presence of transition metals such as copper. Materials and methods: The electrogenerated hydrogen peroxide process was performed in an open and undivided cell to be assessed ...
In the present study, the copper anode slime was leached in chloride media. Then, pregnant leach solution (PLS) was purified using solvent extraction method and Octanol-kerosene solution. HAuCl4.2L was determined as the extracted macromolecule, and separation of impurities, such as copper, iron and selenium was done in the presence of gold. McCabe-Thiele diagram of Au–HCl (3 M)– Octanol (40% v/...
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