Caracterização química, espectroscópica e bacteriológica de resíduos vítreos provenientes da zona urbana de Campina Grande/PB.

Abstract

The development and growth of the great cities had increased the consumption of products industrialized followed of the discarding of the containers where the same ones are conditioned, generating of this form a great volume of solid residues that launched in the environment, generally in the big garbage, cause problems as, ambient pollution, that affects the public health mainly. Amongst this sum of solid residues if they detach glasses, with characteristics as: raised density, not degradation and raised volumetric, what it still more compromises the useful life of the big garbage. One knows that, such residues present great economic potential in the recycling. The glass presents a vast applicability, being used until as raw material in modern optic staple fibers. The glass residues are found with easiness, mainly in the scrap iron and in the big garbage, these materials are 100% recycle. Ahead of this context it was felt necessity to evaluate the chemical, spectral and bacteriological properties of deriving glass residues of scrap iron and the big garbage of the urban zone of Campina Grande/PB. The chemical analysis showed that the compositions of the studied residues are of glasses of the type silica-soda water-whitewash. The vibratory specters of the glass samples had proven the presence of functional groups of Si-O-H, Si-O and Al-OH. The difratogramas had shown to the degree of amorphous and cristalline of the analyzed material. The results of the bacteriological analysis had confirmed that the residues were contaminated by thermotolerant coliformes (fecals). It can be concluded then, that the analyzed glasses can be recycled, but must be prevented the manuscript of the same ones without the had protections, in view of the raised degree of contamination for coliformes thjermotolerant (fecals).