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Mar 29, 2011· Anode slime is an important material of recycling precious metals. Up to now, treating the arsenic and antimonyrich anode slime by conventional processes has the following problems: its economic and environmental effect is less than satisfactory, and the removal effect of arsenic and antimony from anode slime in present processes is not all that could be desired. Therefore, vacuum .
Anode slime samples were collected from the bottom of the electrolytic cells during the electrorefining of copper. These samples were sieved through a mm sieve to remove large inclusions of copper and other foreign material present in the slime. A representative sample of the feed slime was analysed for Cu, Pb, Sn, Zn, Ni, Fe,
MATERIALS AND METHODS The anode slime obtained from Indian Copper Complex, Ghatsila was used ... having the speed and temperature controlling devices. Leachants used were sulphuric ... gold, platinum, lead, arsenic etc. Of particular importance to the slime treatment is a knowledge of various phases present in the slime, which has direct ...
The costbenefit analysis as well as the sensitivity analysis for the treatment of 1 t anode slime by the proposed process was also investigated. This study is of great potential to develop an environmentally friendly process to recover Se from anode slime. 2. Materials and methods Materials
Arsenicrich anode slime was chosen for the experiments. Table 1 gives the main chemical composition of metallic elements in the homogenized sample by titrimetric method. There was wt% of arsenic, wt% of antimony and wt% of silver in the arsenicrich anode slime, as shown in Table reductant was charcoal powder in this study.
The invention relates to a craft which synthetic recover the lead anode slime slag charge and uses the lead anode slime slag charge to produce antimony white. It casts the raw coal and the soda (by weight ratio) 100: (512): (515) into the reflecting oven to do reducing smelting at deg. to produce the cruse alloy, it matches bottom lead in the cruse alloy and adds them into the ...
The copper/lead anode slime usually contain As, Sb, Bi and precious metals like gold and silver. Smelter of anode slime is most likely divided into two groups by the two different recovery processes based on its property and treatment capacity, pyrometallurgy and hydrometallurgy.
Some of the nickel ends in anode slime. Pb, Zn, and Sn are rejected in slag or offgas, especially in bath smelting, and in converting, less than 10% of these end up in blister copper. Pb can also be removed in the anode furnace by using silica flux. Pb, Zn, and Sn end up in anode slime during electrorefining.
Nov 29, 2007· More precisely, the invention relates to a method and device for treating anode slime obtained from copper electrolysis. In copper electrolysis, the insoluble element of the anodes falls on the bottom of the electrolytic tank as anode slime, from where it is recovered when the anodes are replaced. In addition to copper and nickel, anode slime ...
CNA Harmlessness method for treating ... CNB Smelting production method and device of ... CNA Method for comprehensively efficiently processing lead anode slime by ...
Mar 02, 2010· Method and device for treating anode slime . United States Patent . Abstract: The method and furnace according to the invention enable a continuous processing of anode slime and are particularly suited to be connected to a process where anode slime is treated by hydrometallurgic methods after roasting. In the method according to the ...
This method, known as a sacial system, uses metal anodes, introduced to the electrolytic environment, to sace themselves (corrode) in order to protect the cathode. While the metal needing protection can vary, sacial anodes are generally made of zinc, aluminum, or magnesium, metals that have the most negative electropotential.
The anodes are cast in open castiron molds, and are of the dimensions given in Fig. 4. They are suspended from the conductors by Cshaped hooks of gold, which pass through the hole at the top of the anodes and over bars which form the conductors for the current. The anodes are immersed for their full depth in the electrolyte. B.
Process for the flotation of anode slime from copper electrolysis comprising subjecting the anode slime, as a preliminary treatment, to attrition treatment in combination with a copper leaching treatment in a medium of an acid solution. The floated material obtained from the flotation is continuously subjected to three processes of roasting, melting and cupellation in a rotary furnace lined ...
Anode slime is the byproduct of copper or lead electrorefining process and found in electrolytic cell bottom or on the anode scrap surface. The copper anode slime and lead anode slime usually contain precious metals like gold and silver. Depending on the treatment capacity, process of anode slime recovery is achieved by two different methods ...
Anode slime is an important material of recycling precious metals. Up to now, treating the arsenic and antimonyrich anode slime by conventional processes has the following problems: its economic and environmental effect is less than satisfactory, and the removal effect of arsenic and antimony from anode slime in present processes is not all that could be desired.
US Material surface treatment method using ... CNA Horizontal movement type continuous electrolytic method and device of ... WOA1 Method of washing anode slime .
The experimental research analysis of anode slime composition are done by two methods: Xray fluorescent method (XRF) which is realized with the help of Thermoscientic Nitro XL 3t device and as ...
The quantity of slime produced by the nickel anodes is far greater than from the copper anodes and although a little falls to the bottom of the cells the majority adheres to the anode and has to be scraped off. This is normally done every 100 running hours, both to bring the platinum metals forward and to stop the anodes becoming passive.
A vacuum evaporation technology for treating antimonyrich anode slime was developed in this work. Experiments were carried out at temperatures from 873 K to 1073 K and residual gas pressures from ...
An ultra fast decopperization method from the anode slime has been developed based on the ultrasoundassisted leaching. The effects of parameters such as ultrasound power, leaching time, sulfuric acid concentration and liquid/solid ratio were investigated. Under optimum conditions, the concentration of Cu in residue was only %. The removal efficiency increases considerably
so that the slime drops to the base of the cell and does not come into contact with the cathode. • Figure Diagram showing the structure of the cells in which the electrolytic refining of copper is carried out. The anodes and cathodes are connected to the + and current lines respectively.
Abstract: An electronic water treating device comprising a brass body from which projects a graphite anode and to which is secured a stainless steel canister which functions as a cathode. The device includes an electronic power head connected to an external power supply. A 115 volt AC house current is transformed into two volt circuits.
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