Calorimetric investigation of the Li Pt system

Terlicka, S.; Dębski, A.; Saternus, M.; Fornalczyk, A.; Gąsior, W.

doi:10.1016/j.molliq.2020.113446

Cited by 3 publications

(1 citation statement)

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“…Lead alloys with the addition of lithium may increase the extraction of platinum from thin catalytic layers as a result of reducing the surface tension of the extraction liquid (Pb-Li), improving its penetration deep into the capillaries with catalytic layers and accelerating the dissolution reaction of platinum and palladium in the Pb-Li resulting from the greater affinity of lithium to Pt compared to lead. As part of experimental studies [28][29][30], the thermodynamics of lithium systems were determined (two-and three-component lithiumbased alloys: Pd-Li, Pt-Li, Pt-Pb-Li, and Pd-Pb-Li). The next step is to determine if there is a clear influence of the lithium concentration in the Pb-Li alloy on the size of the extracted platinum and palladium from catalytic thin films in capillaries compared to pure lead.…”

Section: Introductionmentioning

confidence: 99%

Modelling of the Flow in the Process of Washing Out Automotive Catalyst Carriers with the PbLi Alloy

et al. 2022

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The process of platinum recovery from used car catalysts is highly desirable for both economic and environmental reasons. From the many available methods of processing used car catalysts, the article conducted both numerical and experimental studies using a device based on the collector metal method with lead as a modified medium through a magnetohydrodynamic pump for washing platinum from the channels of the ceramic catalyst carrier. It was assumed that lead alloys with the addition of lithium increase the extraction of platinum from thin catalytic layers and accelerate the platinum dissolution reaction in the Pb-Li alloy, which is the result of a greater affinity of lithium for platinum compared to lead. This assumption was verified by numerical simulations as well as laboratory tests. Tests were carried out for the secondary supply voltage range between 40 and 60 V and the catalyst flushing time between 240 and 480 s. Graphical results of the research were discussed.

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Section: Introductionmentioning

confidence: 99%