Rural sanitation is still a challenge in developing countries, such as Brazil, where the
majority population live with inadequate services, compromising public health and
environmental safety. In this context, this study analyzed the demographic density of these
rural agglomerations using secondary data from the Brazilian Institute of Geography and
Statistics (IBGE). The goal was to identify the possibilities associated with using small-scale
upflow anaerobic sludge blanket (UASB) reactors for sewage treatment, mainly focusing on …