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Recovery of Silver From Silver Oxide Batteries: A Combined Experimental and Computational Study

BROWSE_DETAIL_CREATION_DATE: 25-08-2017

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BROWSE_DETAIL_TYPE: Thesis

BROWSE_DETAIL_SUB_TYPE: Masters

BROWSE_DETAIL_PUBLISH_STATE: Unpublished

BROWSE_DETAIL_FORMAT: PDF Document

BROWSE_DETAIL_LANG: English

BROWSE_DETAIL_SUBJECTS: Chemistry, Chemical technology, Chemical engineering,

BROWSE_DETAIL_CREATORS: Mehasi, Abubakr Bushra Ali (Author),

BROWSE_DETAIL_CONTRIBUTERS: KAYI, Hakan (Advisor),

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silver oxide batteries, modeling, leaching, silver recovery


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The purpose of this study is to recover pure silver from inactive and used silveroxide batteries and also model this process by using a software. Because, after the lifecycles of batteries end, they become toxic contaminants and also yield incineratoremissions and ash.Silver oxide batteries are used in wristwatches, clocks, remote controls of thevarious electronic devices, hearing aid devices, toys, and some other devices, and theyare scrapped after they become spent. In this thesis, we collected spare batteries thatcontain silver and we use solid-liquid leaching as a separation process to recover thesilver.In our approach, we used leaching with nitric acid and precipitated silver by thehelp of copper plate and potassium chloride. Then after precipitate filtration, it wasdried and then powder was smelted in a very high temperature (1000 °C) to producemetallic silver and also highly pure silver powder. Recovered silver can be utilizeddirectly in different industrial applications.


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