Sodium ethylxanthogenate, with the CAS number 140 - 90 - 9, is an important chemical product. Its molecular formula is C3H5NaOS2. It is usually presented as a yellowish to brownish powder or granule. The product has a distinct odor. It is soluble in water, and its solubility allows it to be used in various aqueous - based processes. The purity of our factory - supplied sodium ethylxanthogenate can reach a high level, ensuring its effectiveness in different applications. The melting point of sodium ethylxanthogenate is around 292 - 295°C, and it has a relative density of about 1.55. These physical and chemical properties make it suitable for specific industrial uses.
One of the main uses of sodium ethylxanthogenate is in the mining industry. It serves as a collector in the flotation process of non - ferrous metal ores such as copper, lead, and zinc. In the flotation process, it selectively adheres to the surface of the target metal minerals, making them hydrophobic and allowing them to be separated from the gangue minerals. This greatly improves the efficiency of ore beneficiation and helps to obtain higher - grade metal concentrates.
Additionally, it can also be used as an accelerator in the rubber industry. By accelerating the vulcanization process, it can improve the physical and mechanical properties of rubber products, such as increasing their strength, elasticity, and wear resistance.
In the mining industry, when using sodium ethylxanthogenate as a flotation collector, it should be prepared into an appropriate concentration of aqueous solution first. The concentration usually depends on the type of ore, the content of target minerals, and the specific flotation process. Generally, the concentration of the solution ranges from 1% to 5%. The prepared solution is then added to the flotation cell at a controlled rate. Before adding, it is necessary to ensure that the pH value of the pulp is adjusted to an appropriate range (usually around 8 - 10) to maximize the flotation effect.
In the rubber industry, it is added during the rubber mixing process. The amount added is usually determined based on the formula requirements of the rubber product. It should be evenly dispersed in the rubber compound to ensure its role as an accelerator.
Case 1: A copper mine in South America was facing low - grade copper ore and inefficient beneficiation. After using our factory - supplied sodium ethylxanthogenate as a flotation collector, the recovery rate of copper increased significantly. The original copper recovery rate was only about 70%, but after optimizing the flotation process with our product, it reached over 85%. This not only increased the production of high - grade copper concentrates but also reduced production costs.
Case 2: A rubber products factory in Asia was looking to improve the performance of its rubber hoses. By adding an appropriate amount of sodium ethylxanthogenate as an accelerator, the vulcanization time was shortened by nearly 30%. The resulting rubber hoses had better tensile strength and flexibility. The proportion of defective products decreased from 5% to less than 2%, greatly improving the quality and economic benefits of the products.
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