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EnglishSpent lead battery recycling still shows few weak points in the achievement of a 100% recycling of different waste matters and by-products arising from the recycling process. Some of said problems are dealing with aqueous streams outgoing the recycling plant, and more particularly, a) the waste waters discarded from the breaking and separation unit, b) purification of the spent electrolyte drained from waste batteries and upgrade to a quality compatible with full re-use by the batteries' manufacturers, c) purification of the mother liquors discarded in the sodium sulfate crystallization process so to produce a salt of commercial grade. All of the above listed problems have been satisfactorily overcome applying an electrochemical process that, through different process conditions and parameters, is able to remove the harmful impurities that hinder the successful commercialization of such by products, or, at least, that can avoid heavy and expensive treatment plant and operation.
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| Titolo: | Treatment of some liquid waste associated with lead battery recycling | |
| Autori: | ||
| Data di pubblicazione: | 2008 | |
| Handle: | http://hdl.handle.net/11573/189940 | |
| ISBN: | 9780873397261 | |
| Appartiene alla tipologia: | 04b Atto di convegno in volume |
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