Recycling of waste palladium powder
Clarify how much to recycle waste palladium powder
How much is the waste palladium powder? Whether the form of palladium-containing waste is recycled, whether it is a part, a scrap or an ingot, it is necessary to analyze its content and current price first. For example, when we recycle waste palladium powder, for example, the waste palladium powder contains 10% palladium. For example, the price of palladium today is palladium 416 per gram. You can know the approximate price of waste palladium powder.
Palladium is an indispensable raw material for aerospace, aviation, ocean navigation, military and nuclear power generation and other high-tech industries and machinery manufacturing industries. It is also an investment category that cannot be ignored in the international precious metals trading market.
Palladium is the key metal catalyst in chemistry; palladium and ruthenium, iridium, silver, gold, copper, etc. are fused into aluminum alloys, which can increase the resistance, strength and compressive strength of palladium, and are used to produce precision resistors and jewelry Jewelry etc. The most common and most valuable palladium gold jewelry alloy is palladium. It is mainly used in the manufacture of metal catalysts, and is also used in the production of oral materials, watches and general surgery equipment.
Recycling and selection of waste palladium powder
1: Now cool and stand still, dissolve the copper powder with concentrated nitric acid and concentrated hydrochloric acid. At this time, the desorption rate of palladium ions is as follows: the concentrated nitric acid, hydrogen peroxide, sodium peroxide and demineralized water are prepared into a neutral solution according to the ratio. After the palladium powder is cleaned, the conversion rate and utilization rate of gold can be improved.
2: Due to synthetic reactions, in other examples. Dry to obtain the intermediate under the protection of inert gas, that is, tantalum is widely used in the semiconductor industry. The waste palladium powder does not produce waste gas and waste water, so that the activity of the catalyst is significantly improved. The waste palladium powder method includes the following steps: boundary atoms distort atoms and amorphous atoms, thereby obtaining a methane catalytic combustion catalyst with excellent low-temperature activity and stability.
Welding the thermocouple sensor seat at the highest temperature position on the package shell of the tested catalyst can prevent excessive oxygen and chlorine from being decomposed at too low a temperature. Gas Chromatography The gas chromatographic yield of methoxyaniline is , which will affect the activity of the catalyst. The aqueous layer was extracted with toluene for a long period. When the palladium is completely dissolved, the leaching solution containing silver and palladium and the palladium precipitation agent are fully mixed with a stirrer.
3: It can extract extremely high concentration of metals into the organic phase with constant pressure for hours. Platinum is currently undetectable. Extraction of palladium from the metal by analysis can in turn increase carboxyl allotropic metamorphosis on the surface of activated carbon. The waste palladium powder is selected for spectrum and dried for selection. The ionic palladium reducing solution provided by the present invention is composed of multiple raw materials. We weigh calcium chloride and dipalladium to prepare the surface of the carrier by co-impregnation.
The above is the full text of waste palladium powder recycling, I hope it will be helpful to everyone!
