Stacks and batteries possess a useful life, and to the end of this, they are discarded. The Hagues opinions are not widely known. This discarding must be differentiated of the common domestic garbage, therefore the components of stacks and batteries possess metals weighed in its composition and if discarded in the environment of inadequate form they can in general cause serious curses for the health human being and the environment. The stacks and batteries cannot be burnt or be embedded. The metals weighed, for being extremely toxic and bioacumulativos, need an alternative to prevent impacts to the environment and the health human being. king through. The final processes vary as the manufacturer, being able to be reused, to be encapsulated or exported to other countries. In Brazil, the disposal appropriate of consumed stacks and batteries it is not a with priority concern of the public agencies, although to exist a legislation that it approaches on this subject.
The effective administrative act in Brazil related with the correct destination of the residues, stacks and batteries was considered by the National Advice of the Environment (CONAMA 257/99) with the objective to diminish the negative impacts caused to the environment and to perfect the collection, reutilizao, recycling, treatment or final disposal. It is foreseen, therefore, in the Art. 1 (CONAMA 257/99). The stacks and batteries that contain in its compositions lead, cadmium, mercury in its composites … after its energy exhaustion, will be deliver for the users to the establishments that commercializes them or to the assistance net authorized technique for the respective industries, to directly repass to the manufacturers or importers, so that these adopt, or by means of third, the procedures of reutilizao, recycling, treatment or final disposal ambiently adjusted. In accordance with the Brazilian ambient legislation (Law n 12,305, of 2 of August of 2010), all legal institution is responsible for the residue produced in its productive process and to the end of the useful life of its product, therefore it is seen necessity in investments in the technology of correct final destination and/or recycling.