INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS

Clogging tendency has been analyzed in sandy soil soakaways at pilot scale receiving either septic tank effluent (SUM1) or UASB effluent (SUM2) and also at laboratory scale (SUMB1 and SUMB2), in relation to Chemical Oxygen Demand (COD) and accumulated Suspended Solids (SS) concentrations. Clogging w...

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Main Authors: José Lima de Oliveira Junior, José Tavares de Sousa, Andressa Muniz Santos, Saionara Alexandre da Silva
Format: Article
Language:English
Published: Associação Brasileira de Engenharia Sanitária e Ambiental 2017-07-01
Series:Revista Brasileira de Ciências Ambientais
Online Access:http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/122
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author José Lima de Oliveira Junior
José Tavares de Sousa
Andressa Muniz Santos
Saionara Alexandre da Silva
author_facet José Lima de Oliveira Junior
José Tavares de Sousa
Andressa Muniz Santos
Saionara Alexandre da Silva
author_sort José Lima de Oliveira Junior
collection DOAJ
description Clogging tendency has been analyzed in sandy soil soakaways at pilot scale receiving either septic tank effluent (SUM1) or UASB effluent (SUM2) and also at laboratory scale (SUMB1 and SUMB2), in relation to Chemical Oxygen Demand (COD) and accumulated Suspended Solids (SS) concentrations. Clogging was also estimated, by modeling the predicted time for infiltration hydraulic failure. The laboratory results obtained with SUMB1 and SUMB2 confirmed the results obtained for SUM1 and SUM2, showing that soakaways built in sandy soils which receive effluent from septic tanks treating predominantly domestic wastewater tended to clog 58% faster than those receiving UASB effluent. The good correlation observed between the decrease in average infiltration rate and the time of operation suggests that the UASB reactor is a promising technological alternative to septic tanks as a pre‑treatment prior to effluent soil disposal for on‑site decentralized wastewater treatment systems.
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spelling doaj.art-3ca5d35e13d1480f8b7fb577572b51db2022-12-21T19:57:08ZengAssociação Brasileira de Engenharia Sanitária e AmbientalRevista Brasileira de Ciências Ambientais1808-45242176-94782017-07-014313113910.5327/Z2176-947820170413122INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORSJosé Lima de Oliveira JuniorJosé Tavares de SousaAndressa Muniz SantosSaionara Alexandre da SilvaClogging tendency has been analyzed in sandy soil soakaways at pilot scale receiving either septic tank effluent (SUM1) or UASB effluent (SUM2) and also at laboratory scale (SUMB1 and SUMB2), in relation to Chemical Oxygen Demand (COD) and accumulated Suspended Solids (SS) concentrations. Clogging was also estimated, by modeling the predicted time for infiltration hydraulic failure. The laboratory results obtained with SUMB1 and SUMB2 confirmed the results obtained for SUM1 and SUM2, showing that soakaways built in sandy soils which receive effluent from septic tanks treating predominantly domestic wastewater tended to clog 58% faster than those receiving UASB effluent. The good correlation observed between the decrease in average infiltration rate and the time of operation suggests that the UASB reactor is a promising technological alternative to septic tanks as a pre‑treatment prior to effluent soil disposal for on‑site decentralized wastewater treatment systems.http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/122
spellingShingle José Lima de Oliveira Junior
José Tavares de Sousa
Andressa Muniz Santos
Saionara Alexandre da Silva
INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS
Revista Brasileira de Ciências Ambientais
title INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS
title_full INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS
title_fullStr INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS
title_full_unstemmed INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS
title_short INFILTRATION STUDIES ON SOAKAWAYS RECEIVING EFFLUENTS FROM SINGLE HOUSEHOLD UASB AND SEPTIC TANK REACTORS
title_sort infiltration studies on soakaways receiving effluents from single household uasb and septic tank reactors
url http://rbciamb.com.br/index.php/Publicacoes_RBCIAMB/article/view/122
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AT andressamunizsantos infiltrationstudiesonsoakawaysreceivingeffluentsfromsinglehouseholduasbandseptictankreactors
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