ALTERNATIVAS PARA O CONTROLE DE EMISSÕES DE ODORES NA ESTAÇÃO DE TRATAMENTO DE ESGOTO DO MUNICÍPIO DE BOA ESPERANÇA - MG

Abstract

In the municipality of Boa Esperança, southern Minas Gerais, there are problems of odor emanations from the municipal sewage treatment plant. Complaints from the population began to be made and to identify the level of odor disturbance, a questionnaire was applied in different districts of the city. The results obtained through the questionnaire allowed the observation that odor is a problem in the city of Boa Esperança, since 63% of the interviewees indicated that they could smell odors coming from the WWTP. Of this total, almost 40% considered the intensity of the odor large and described it as rotten foods such as rotting meat, fruits and rotten eggs. Therefore, some action must be taken to solve this problem and, there are some types of treatment for odor, they are divided into physical, chemical and biological. For the municipality, the city chose to adopt methods that are economically viable. The methods of Chemical Washer, Direct Combustion and Green Curtain were chosen. An ideal system was also analyzed in which various aspects were analyzed such as sustainability, efficiency, reliability, among others. This paper aims to analyze the appropriate methods for the city aiming at the economic aspect, the fixed and operational costs of the methods.