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1 results about "Palladium ion" patented technology
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MOST COMMON IONS : Pd 2+. The element palladium was isolated and identified by William Wollaston in 1803. Its name comes from the asteroid Pallas. (Pallas was another name for Athena, the Greek goddess of wisdom.) Palladium in pure form is not found in nature.
Preparation method and application of pyridine / amidoxime composite adsorbent
The application relates to a preparation method and application of a pyridine / amidoxime composite adsorbent. The application aims to solve the technical problems of poor structural stability, low adsorption capacity and poor selectivity of the current amidoxime-based adsorbent in a strong acid system. The prepared pyridine / amidoxime composite adsorbent is applied to capture gold ions and palladium ions in acid leaching solution. The application successfully constructs two kinds of composite adsorbents with excellent acid resistance by synchronously introducing pyridine amidoxime monomers at different sites on the dopamine-assisted graphene oxide surface. The two kinds of adsorbents respectively exhibit high-efficiency selective adsorption performance on gold ions and palladium ions under strong acid conditions. The prepared adsorbent can be applied to gradient recovery of gold and palladium in waste printed circuit board acid leaching solution, electroplating waste liquid and mining leaching solution.
Owner:NANCHANG HANGKONG UNIVERSITY