Navegando por Autor "Souza, Tatiana Pereira da Silva"

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Estudo do aproveitamento do lodo oriundo das ETES na construção civil: de rejeito a recurso ambiental
(2024-03-02) Souza, Tatiana Pereira da Silva; Silva, Robson José; http://lattes.cnpq.br/7515677435963888; http://lattes.cnpq.br/2336570792811598
A Sewage Treatment Station (ETE) refers to a publicly or privately owned structure used for the treatment of sanitary sewage. The sewage sludge generated in the treatment process presents a high potential risk to public health and the environment. Its final destination also denotes concern, given the large quantity generated. Furthermore, when not managed properly, it can cause serious socio-environmental problems. In this sense, the search for solutions and alternatives that can solve or reduce the environmental problems faced is eminent. Thus, the proposed objective was to study, through a careful literature review, the origin and characterization of STP sludge and its potential in civil construction, based on its application as a supplementary material to mortar, concrete and paving. The work was carried out through research in the main databases: CAPES Periodicals, Google Scholar, Scielo and Scopus; with works published in the last 30 years. As a result, when evaluating the mortar, the most recommended sludge incorporation levels were 10% and 20%. For concrete, replacing fine aggregate or adding cement to sludge presented the levels of 5% and 10% as the most had the best dosage values in the order of 5% to 7%. In general terms, ETE sludge was viable for use in civil construction, demonstrating its potential use as an environmental resource.