A fundamental study of deep eutectic solvents and their application to green battery recycling processes

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The aim of this project is to develop a safer and cheaper alternative to the current pyrometallurgical processing method applied to the recycling of lead acid batteries. This will be done by developing a solvent based, low temperature process. The process will use low cost, sustainable and biodegradable solvents to dissolve a variety of lead compounds found in waste battery streams. Dissolved lead can then be recovered chemically or electrochemically as lead oxide or metal, both of which are useful materials for the manufacture of new batteries. This technology could be well positioned to replace the improvised furnaces used by informal battery recyclers that pose a significant pollution hazard in developing countries.