SANTOS, Lisiane Linhares.
Résumé:
Driven by increasingly high demand, industries seek to produce more and more to meet demand. However, throughout the entire production chain, industrial waste is generated, causing environmental problems, and one way to solve the problem is to seek incentives for recycling or reusing this waste. Therefore, the present work aims to analyze the recycling potential of waste generated in an effluent treatment plant from a lead acid battery industry. So, initially the effluent treatment process was described, showing how the waste is generated. Furthermore, the characterization and chemical classification of the waste carried out in an external laboratory was presented and discussed. It was also shown what its current destination is and how changing this destination to incorporate it into civil construction would bring environmental and economic gains. Given this, some recommendations were proposed for the application of this waste in civil construction, including cement, ceramic products, and plaster. Based on the literature, it was realized that based on the characteristics of the residue, it would not be applicable for cement or ceramic products due to their high presence of salts, compromising the quality of the product. Thus, using plaster as a third option, due to its composition being lime, the main raw material for plaster, however, for more accurate results, further analysis will be necessary. And finally, it is concluded that the recommendation to replace the disposal of landfills for incorporation in the production of gypsum will increase the useful life of industrial landfills by 5 years and 10 months, generating an economic gain of 1.36 million per year for the organization.
