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Technical and economic pre-feasibility study for the construction of septic tank-filter-sinkhole with alternative material

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dc.contributor.authorMartins, P.H.N.
dc.contributor.authorCecchin, D.
dc.contributor.authorAzevedo, A.R.G.
dc.contributor.authorCarmo, D.F.
dc.contributor.authorDanagemma, R.A.
dc.contributor.authorWaite, R.M.M.
dc.contributor.authorRodrigues, N.F.
dc.contributor.authorSousa, F.A.
dc.contributor.authorAmaral, P.I.S.
dc.contributor.authorHüther, C.M.
dc.contributor.authorPereira, C.R.
dc.contributor.authorCruz, V.M.F.
dc.date.accessioned2021-08-30T09:51:09Z
dc.date.available2021-08-30T09:51:09Z
dc.date.issued2021
dc.descriptionReceived: February 2nd, 2021 ; Accepted: August 3rd, 2021 ; Published: August 24th, 2021 ; Correspondence: daianececchin@id.uff.breng
dc.description.abstractThe study of the different materials used in the construction of septic tanks aims to facilitate and spread the use of this sewage treatment system in places that are not assisted by municipal sewage systems and in the rural area, which despite having a smaller number of inhabitants compared to the urban area This study aims to carry out a technical and economic evaluation of the concrete and tires using in the construction of septic tanks-filter-sinkhole. The wastewater treatment systems were built according to the recommendations in NBR 7229/93 and 13969/97. To evaluate the efficiency of each system built, the following parameters were analyzed: chemical oxygen demand (COD), the potential of hydrogen (pH), alkalinity, acidity, and temperature. In the economic evaluation, the materials and labor required to install the systems were considered using the Brazilian cost database (SINAPI), and an economic and financial feasibility study was carried out. According to the technical and economic analysis of construction, both systems showed the same technical performance, however, the concrete design proved to be more advantageous than the tire design, considering the difficulty in acquiring the tires and the high cost if it is necessary to buy them, in addition to the greater difficulty in handling and installing the tire system compared to the concrete one.eng
dc.identifier.issn1406-894X
dc.identifier.publicationAgronomy Research, 2021, vol. 19, no. 3, pp. 1586–1601eng
dc.identifier.urihttp://hdl.handle.net/10492/6977
dc.identifier.urihttps://doi.org/10.15159/ar.21.129
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) ; openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectrural buildingseng
dc.subjectsanitary sewageeng
dc.subjectanaerobic treatmenteng
dc.subjectdecentralized wastewater treatmenteng
dc.subjectarticleseng
dc.titleTechnical and economic pre-feasibility study for the construction of septic tank-filter-sinkhole with alternative materialeng
dc.typeArticleeng

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2021, Vol. 19, No. 3