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 ...
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 …
Abstract. To recover copper from copper slag, a novel slag cleaning method was proposed. The thermodynamics and binary phase diagram of FeO–SiO 2 were …
Copper slag is widely used in cement and construction industry. Although it can temporarily relieve the storage pressure, heavy metal ions in building materials may cause secondary pollution to the environment. In addition, valuable elements in copper slag cannot be enriched and separated, which is a waste of resources in a sense.
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.
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 …
This review article provides the environmental and socioeconomic impacts of slag, as well as a characterization of copper slag, with the aim of reusing and recycling the slag to benefit the ...
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 …
Copper smelting slag is the largest solid waste produced in copper-making process, and slow cooling beneficiation technology is the most widely used method in recovering remaining treasures from the slag. The phase transition law and element distribution behaviors of the copper smelting slag in the cooling process have …
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 …
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.
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...
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.
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.
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, ...
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 ...
Thus, implementing technologies of slag treatment is a complex and challenging task. Within this paper, application options, the environmental behavior, and …
A study published in Transactions of Nonferrous Metals Society of China. detailing a novel method for the recovery of. copper, lead, and zinc from copper smelting slag using a sulfurization-reduction approach.This innovation represents a significant stride in metallurgical waste management, with potential impacts on both industry practices …
Copper smelting slag is the largest solid waste produced in copper-making process, and slow cooling beneficiation technology is the most widely used method in recovering remaining treasures from the slag.
Copper slag is composed of iron silicate obtained by smelting copper concentrate and silica flux. One of the most important criteria for the utilization of this secondary resource is the recovery of iron from the slag matrix to decrease the volume of dumped slag. The molten oxidation process with crushing magnetic separation appears …
shibang / sbm milling and flotation of slow cooled copper slag.md. dushusbm c4a532c29b code. 19:24:26 +08:00
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 …
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 ].
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.
Copper smelter slag can be effectively recycled into pig iron and glass. • Thermodynamics and phase diagrams were employed for carbothermal reduction of slag.
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 the paper, a new technology was developed to improve the beneficiation of copper and iron components from copper slag, by modifying the molten slag to promote the mineralization of valuable minerals and to induce the growth of mineral grains. Various parameters, including binary basicity, dosage of compound additive, …
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, …
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 …
Copper smelting slag is the largest solid waste produced in copper-making process, and slow cooling beneficiation technology is the most widely used method in recovering remaining treasures from ...
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
The copper smelting slag used for the experiments was provided by Yunnan Copper Inc. In the smelting process of copper concentrate in an ISA smelting furnace, matte mainly exists at the bottom of the molten pool due to the density difference between matte and slag.
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.
Mineralogy, morphology and chemical composition of copper bearing phases in solidified slag, interesting characteristics from a flotation point of view, result in the chemical, …
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.
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 …
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