Avaliação do desperdício da argila nas indústrias da cerâmica vermelha e construção civil: estudo de caso nos municípios de Paudalho e Recife no Estado de Pernambuco.

Abstract

The building sector is a very important section of economy and for society, and among their main sub-sections one of constructions is a great consumer of ceramic bricks, because it is one of the main inputs for closing of spaces in houses and apartments. The ceramic brick is, in its totality, constituted of clay, in case a natural resource no renewable. After its extraction in the beds and of its clay coalition the ceramic element starts to exist and mineral resource no metal that composes clay no more it exists. Even of great importance the building sector industry, sub-section Constructions (BSI/SC) it still maintains high levels of losses of inputs, rarely quantified. In this sense, present work had for objective the quantification of red ceramic losses in a building site in the State of Pernambuco. Data collected in two constructions located in Recife city for a period of six months in the year of 2010 were used for quantification of the losses. The two sites presented an average losses of 20,49% and that caused a waste of primary matter clay, because the generated residue is no more a natural resource and it represents a solid residue with great potential environment impact. It was concluded that some urgent attitudes must be adopted in order to reduce such waste since that annual losses of clay, only in the State of Pernambuco, represent an approximate volume of 300,000 m3, causing degradation and environmental impact in countless places, what represents a great environmental risk. Like this, this work also studied two brickworks in the municipal district of Paudalho/PE evidencing the losses in the extraction of the clay and in the production of bricks, as well as he/she interviewed companies of treatment of residues and collection, closing like this the cycle of the clay waste. In the end a proposal of technical regulation is presented for the industry of the building site with focus in the administration of the companies of the building site and their employees' training, specifically for the works of constructions that use components the industry of the red ceramic.