Iridium catalyst recovery_ Iridium iodide recovery_ Precious metal recycling manufacturers

Iridium iodide is a solid compound that appears as dark brown or black crystals. Its chemical formula is IrI3, where the valence state of iridium is+3. Iridium iodide has high stability and heat resistance, and is an inorganic salt that is soluble in water and some organic solvents, such as ethanol and ether.

The preparation of iridium iodide is usually achieved through the following methods:

1. Direct reaction method: Iridium iodide can be prepared by directly reacting iridium and iodine elements. Firstly, mix iridium powder with an appropriate amount of iodine powder and react under high temperature conditions. The mixture produced by the reaction will form a solid iridium iodide after cooling. The advantage of this method is that it is simple and feasible, but requires high temperature and sealing conditions. This method is suitable for large-scale production and industrial production.

2. Oxidation reduction method: react iridium compounds (such as iridium chloride and iridium nitrate) with Iodide (such as Potassium iodide and Sodium iodide) to generate iridium iodide. The reaction is usually carried out in solution and under appropriate temperature and pH conditions.

3. Hydrogenation reduction method: the iridium metal is reacted with Hydrogen iodide to generate iridium iodide. This method generally requires high temperature and high pressure conditions and is carried out in a hydrogen atmosphere.

4. Solution method: Iridium iodide can also be prepared by solution method. Firstly, dissolve an appropriate amount of iodine in a suitable solvent, such as methanol or chloroform. Then, iridium salts (such as iridium (III) chloride) are added to the iodine solution and thoroughly stirred and reacted. During the reaction, iridium reacts with iodine to produce iridium iodide. Finally, pure iridium iodide products can be obtained by filtering or evaporating the solvent.

Waste iridium iodide is one of the sources of recycling precious metal catalyst waste containing iridium. The recycling of precious metal catalyst waste containing iridium also includes the recycling of chloroiridium acid, iridium acetate, chloroiridium acid, iridium bromide, iridium chloride, iridium oxide, etc. If you have any demand for iridium containing waste recycling, please call our 24-hour service hotline. Dingfeng Precious Metal Recycling and Refining Factory has its own recycling and refining factory without intermediaries to earn price differences. Our professional technical team and customer service personnel provide one-on-one services to ensure customer privacy during the recycling process.