Química e sustentabilidade: um estudo de caso sobre o reuso da água na lavagem de veículos em lava jato de Cuité / PB .

Abstract

The demand for services related to the maintenance and preservation of automobiles has grown in recent years. As a result, the demand for washes has increased greatly, where pollution occurs because most of these developments do not treat their effluents generated by their activities and do not care about the damages caused by their waste thrown in the middle environment. In car wash waters, there may be surfactants of various types, biodegradable or not, residues of dust, soot, grease, gasoline and all types of waste produced by motor vehicles. The present work presents a technique of design and definition of a system for the treatment of effluent generated in washes, passing through a previous treatment until the total separation of the elements. The system presented low cost of implantation and operational cost, besides providing a high clarification of the treated water, compared to the effluent, which allows its reuse without causing problems of wear or clogging of the washing devices. Another advantage of this system is the complete elimination of the liquid effluent from the wash to the rainwater drainage, providing a zero emission of pollutants next to the washing of vehicles. The conclusion is that it is possible to recycle and reuse water from companies that wash vehicles where the treatment process reduces water consumption and contributes to the preservation of the environment.