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Incorporation of eta sludge as a partial substitute of the fine aggregate in leaked concrete blocks
Incorporación de lodos de eta como sustituto parcial del árido fino en bloques de hormigón con fugas
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Incorporation of eta sludge as a partial substitute of the fine aggregate in leaked concrete blocks. (2022). Revista EIA, 19(38), 3824 pp. 1-15. https://doi.org/10.24050/reia.v19i38.1568
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The increase in population concentration in urban areas has led to an increase in the demand for drinking water, consequently, the need to increase the production of treated water, forcing sanitation companies to expand their water treatment and distribution systems, resulting in the use of a greater volume of groundwater and surface water. However, surface water needs a treatment process to make it drinkable. This process, carried out in Water Treatment Stations - ETA, generates a hazardous solid waste, called ETA sludge. A major challenge faced by sanitation companies is the final disposal of ETA Sludge, as inadequate disposal, in addition to degrading the environment, is characterized as an environmental crime. The present work aims to obtain an alternative way of disposing of the ETA sludge from the Cecilia Leite Kirchener Water Treatment Station, in Dourados/MS. A study was carried out on the feasibility of incorporating ETA sludge, in replacement of fine aggregate (sand), in various proportions, for the manufacture of single concrete hollow blocks for sealing, produced on an industrial scale, carrying out various tests and analyses. laboratory tests. The results show that the ETA sludge from Dourados/MS presents technical feasibility to be used in the manufacture of concrete sealing blocks used in civil construction, in replacement of fine aggregate (sand), aiming at a correct destination for a solid hazardous waste. This study showed satisfactory results, since there was an increase in the strength of the blocks when compared to those without the addition of sludge, produced industrially.
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