Throughout the entire process, if the starting point is hot-state copper slag discharged from smelters, this process would involve at least two repeated cycles of heating and cooling for the hot-state copper slag to be treated using this method.
Researchers have investigated the effect of the cooling rate of copper slag on the recovery of metallic values through the physical beneficiation route. Studies were conducted on the flotation of a slowly cooled copper slag [ 136 ].
Copper slag cooling at Aurubis Bulgaria is traditionally done in pits. A new type of slag-cooling is introduced in the site, involving cooling ladles. In a previous study, …
The Effect of Primary Copper Slag Cooling Rate on the Copper Valorization in the Flotation Process Metallurgical and Materials Engineering - Serbia doi 10.30544/102
During the cooling process of slag, crystallization of the molten slag results in the formation of certain phases depending on the conditions of cooling and the addition of fluxes that are based ...
Mihajlović - The effect of cooling rate of slag from primary copper production … 129 In Table 1 an overview is given of copper content in flotation tailings in smelters which process slag by ...
Copper slag is a residue from the copper smelting process that not only takes up large amounts of space, but also contains harmful elements that can cause environmental pollution. In this paper, zinc in copper slag is sulfide-roasted using pyrite as a vulcanizing agent and anthracite and K2CO3 as additives, thus leaving zinc in the slag …
Keywords: Pyrometallurgy, furnace, auxiliary equipment, copper slag launders Abstract – Pyromet has designed copper launders for tapping slag. What makes Pyromet's launder design innovative and safe is that it does not have any cooling water channels underneath the launder runner, whilst achieving effective cooling of the runner.
Converter copper slag can be viewed as an important secondary resource for valuable metals, considering its high commercial value. The current research investigates the recycling of copper by a combination of theoretical and experimental methods. Based on a modified Stokes equation, it was determined that copper droplets …
Technological procedure of slow cooling slag from primary copper production is applied in the purpose of copper recovery in the level of 98.5% to blister. This technological procedure is divided into two phases, first slow cooling of slag on the air for 24 hours, and then accelerated cooling with water for 48 hours. Within the research …
The successful application of the repair and prevention of LD converters refractories technique called Slag Splashing requires a close control of the slag physicochemical properties (basicity, ... Experimental values of cold measurements, soybean oil + polypropylene particles, and thermodynamic simulation of slag cooling. 4.
The scope of this study is to explore if TEM investigation provides a valuable contribution for industrial copper slag and phases in the FeO x –SiO 2 –CaO(–Al 2 O 3) system. ... Due to rapid cooling of the industrial slag from process temperature of around 1220 °C in water jet to give slag granules, the slag freezes immediately which ...
Copper smelting produces large amounts of slag and new methods of handling this by-product are required. Considering copper smelting slag as metal resource, we studied the effects of a slow cooling process on the crystal growth of magnetite in smelting slag and the applicability of magnetic separation techniques.
This research proposed an efficient and environmentally friendly technology for recovering valuable metals from copper flash converting slag. In a reducing atmosphere, pyrite is used as the sulfurizing agent to efficiently and selectively sulfurize and recover Cu, Pb and Zn of copper flash converting slag. Cu of copper flash converting …
The decrease in cooling rate in a temperature range from 1300 to 1000 °C increased the average size of the copper-rich droplets in the slag, which is beneficial for …
Studies on controlling the cooling rate of molten copper slag while it was discharged originally found that the slow cooling rate of the slag facilitated grain growth …
higher-grade copper slag concentrate at a cooling rate of 2 °C/min, and that a proper holding time was favorable for increasing the (molten) copper-containing phase.
Related to the slag copper content, based on the industrial experience and data, the distribution of copper to compounds in the slag phase was described as a fraction of copper in copper oxide present after slow cooling of the slag as function of …
Processed air-cooled and granulated copper slag have a number of positive mechanical properties for aggregate use, including great adequacy for features like soundness, advantage of resistance for abrasion and good strength properties . Concrete is composed of 70% volume of fine and coarse aggregates.
X-ray diffraction analysis of the copper slag samples obtained from the Bor copper slag landfill showed that the dominant mineralogical components were fayalite and magnetite . These slags contain significant quantities of dissolved metals or metallic particles embedded in the fayalite matrix (Figure 5a).
Copper slag, a waste solid produced in the copper smelting process, is a high-quality secondary resource with huge output. The recycling and utilization of copper slag is of great interest because it avoids the loss of valuable metals and the threat of harmful metals, and saves a lot of natural resources and energy. This paper firstly …
Semantic Scholar extracted view of "Slag-Hanging Capacity of Numerical Simulation and Analysis of Blast Furnace Copper Cooling Plate Based on ANSYS 'Birth–Death Element'" by Zhen Zhang et al.
Copper slag is the melt of various oxides and mainly comes from slag-forming components in flux, ore, ash, and reducing agent (fuel) as part of the smelting, converting, and refining three processes in the copper pyrometallurgical procedure (Moskalyk and Alfantazi, 2003).
Copper slagCopper slag is a major waste produced in pyrometallurgical plants during the smelting and converting operations and has caused heavy environmental contamination. A pyro-hydrometallurgical process for the treatment of copper slagCopper slag has been...
Copper slag sandblasting is a technique used to clean and prepare various surfaces, including metal, stone, concrete, and other materials. It is a by-product of …
A slow cooling rate of the molten copper slag can minimise the effect of viscosity on the mass transfer of diffusion and grain growth of matte copper (or metallic …
The physical characteristics of copper slags are significantly influenced by the method of cooling applied. Cooling molten copper slag by immersing it in water creates amorphous granulated slag upon discharge from smelting facilities. This granulated slag is typically composed of small, well-defined, and angular particles, ...
shibang / sbm milling and flotation of slow cooled copper slag.md. dushusbm c4a532c29b code. 2022-11-02 19:24:26 +08:00
The performance of copper slag flotation is significantly improved through the proposed approach, which provides an idea for improving the recovery of copper slag flotation in the industry. CRediT authorship contribution statement. Wang Linsong designed experiment and validated the Investigation and wrote the paper.
In order to achieve single recovery of Fe, Cu and Si in copper slag and deep removal of impurities in products, the activated reduction combining directional oxidation are adopted to improve the separation limit of target components, which mineral constituent as well as chemical composition at different stages are investigated through …