Environmental recovery of the bentonite extraction areas in the Boa Vista/PB region

Abstract

The Occurrence of Calcium bentonite clay also known as bentonite is concentrated in Paraíba in Cubati city and mainly in Boa Vista where shows the biggest volume reserve and exploitation of noble clay, like the green, chocolate and chocobofe. Having its use in pellotizing industry, casting, well drilling and even in cat litter. Locally the deposits are in flat áreas showing inversion in relief morphology, when due to the depths of the pits.  The área recovery using organic material has as objective the return of the degraded place to a form of use in according to a pre-established project for the using of the soil. Aiming the obtaining of stability of the environment. Reconstituting the mined pits through the deposition of the material coming from the capping, and mainly by the local floristic recomposition, with the use of native species.