LEVANTANTAMENTO QUALIQUANTITATIVO DOS RESÍDUOS QUÍMICOS PERIGOSOS GERADOS NAS AULAS PRÁTICAS DE QUÍMICA ORGÂNICA DA UERN

Resumo

The paper addresses the problem of the identification and quantification of hazardous chemicals stored in universities due to the use of materials, substances and mixtures of hazardous substances in teaching, research and extension activities. It is known that it is necessary to properly identify and store all chemicals and wastes produced in their use. Safety regulations for proper use, treatment, storage and disposal are foreseen in the legislation and must be obeyed to avoid the risk of contamination and compromise of the environment and human health. At UERN there is already a conception by the teachers, technicians and students of the real need to manage their waste and the necessary evolution of the processes for their control. In view of this context, the hazardous chemicals that are part of the experimental classes of the organic chemistry disciplines the licentiate course in chemistry carried out in the organic chemistry laboratory were identified and quantified in order to develop adequate procedures for their storage and disposal. The results showed that in the thirteen (13) experiments selected and carried out during 12 months of the course the use of forty one (41) hazardous substances of various chemical functions as: Hydrocarbons, alkyl halides, alcohols, ketones, ethers, Amines, acids, bases, among others. In the quantitative aspect, it were found that the liquid substances totaled approximately 91 L and the solid substances 500 g, amounts that prove the need for more careful management, especially since several of the identified substances are classified as toxic or very dangerous.