This method is applicable for the determination of gold content ranging from 30% to 99.9% in alloyed gold and jewelry. The test results of this method can serve as a reference standard and have an arbitration effect. Tools and consumables required for fire assay of gold alloys (jewelry gold): Cupellation Furnace Analytical balance Lead beads […]
Application This multi-functional experimental leaching-extraction-electrowinning system is developed for wet metallurgy tests of non-ferrous and precious metals. It supports lab-scale conditional tests and process optimization for metal recovery, covering the hydrometallurgical extraction and recovery of copper, zinc, nickel, cobalt, gold and silver. It is compatible with raw materials including oxidized copper ore, sulfide copper ore, […]
Our company provided all the equipment for this project, including jaw crushers, cone crushers, belt conveyors, ball mills, hydrocyclones, thickeners, leaching tanks, roots blowers, and slurry pumps, along with matching hoppers, cables, and electrical control systems. To facilitate operation for the client, we also supplied the grinding steel balls and corresponding spare parts for the […]
Application Electrowinning is widely adopted to recover gold from cyanide solutions desorbed by activated carbon. It delivers high-quality finished products and has little impact on the composition of desorption solution. Featuring a fully enclosed operation process, it minimizes precious metal loss and boasts higher safety performance than cementation method, serving as a core procedure in […]
The core of the CIL process lies in the efficient monomer dissociation and full exposure of the gold from the ore! This will make the gold facilitate the contact and dissolution of cyanide solution. The follow picture shows the Vertical Stirred Ball Mill positioned in the gold ore grinding plant. The Vertical Stirred Ball Mill […]
Zinc cementation gold extraction is a classic and widely used hydrometallurgical technique, mainly applied to recover gold by cementation from gold-bearing cyanide leach solution. Basic Principle Based on the metal activity series, zinc is more reductive than gold. It can reduce gold ions in cyanide solution to metallic gold, which precipitates out, while zinc itself […]
As a key piece of equipment for solid-liquid separation, the thickener plays a vital role in mineral processing. Utilizing the principle of gravity sedimentation, it concentrates low-density slurries into high-density underflow while recovering clarified overflow water. Throughout this entire process, there is a large component often regarded as a “supporting role” that is, in fact, […]
Sulfuric acid slag, also known as pyrite cinder, is a solid waste generated during the production of sulfuric acid by pyrite roasting. The gold minerals in such slag are usually fine-grained and highly encapsulated, leading to low gold recovery rate in traditional grinding processes, along with high energy consumption, high cost and serious resource waste. […]
This equipment is a complete gold refining system using the aqua regia process. It consists of two core modules: a dissolution tank unit on the left and a reduction tank unit on the right, corresponding to the entire process of gold dissolution, impurity removal, and reduction precipitation. This system is suitable for raw materials with […]
High-purity gold 99.999% is needed in industries such as semiconductors and healthcare, etc. As the follow 3 steps, we could produce 99.999% Super Purity Gold by electrolysis process. Step 1: Cast Gold to be Anodes 99.99 % gold is placed in a medium-frequency melting furnace (as shown in the figure) to smelt and cast into […]
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