2017
DOI: 10.1016/j.biortech.2017.06.168
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Denitrification of the anaerobic membrane bioreactor (AnMBR) effluent with alternative electron donors in domestic wastewater treatment

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Cited by 18 publications
(13 citation statements)
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“…Another alternative is to combine gas contactors with other technologies to minimise methane emissions. The utilisation of denitrifying anaerobic methane oxidation (DAMO) process is an attractive biological process for the simultaneous removal of methane and nitrogen from AnMBR effluent [189,190]. However, this technology is still under development.…”
Section: Dissolved Methanementioning
confidence: 99%
“…Another alternative is to combine gas contactors with other technologies to minimise methane emissions. The utilisation of denitrifying anaerobic methane oxidation (DAMO) process is an attractive biological process for the simultaneous removal of methane and nitrogen from AnMBR effluent [189,190]. However, this technology is still under development.…”
Section: Dissolved Methanementioning
confidence: 99%
“…The H 2 S present in biogas and in the liquid medium causes harmful effects to the equipment due to corrosion, and to the environment due to toxicity to the organisms, demanding mitigation of its effects . The post‐treatment of anaerobic waste by sulfide‐driven autotrophic denitrification is a suitable approach for the concomitant removal of nitrogen and sulfur . In this bioprocess, reduced sulfur compounds such as sulfides (HS − , H 2 S, S 2− ) are oxidized using nitrite (NO 2 − ) and/or nitrate (NO 3 − ) as electron acceptors by chemolithotrophic denitrifying bacteria, as Thiobacillus denitrificans , Thiomicrospira denitrificans and Pseudomonas stutzeri …”
Section: Introductionmentioning
confidence: 99%
“…Studies in this field are usually carried out in bioreactors containing different chambers, in which the anoxic tank receives a mixture of the anaerobic effluent (rich in reduced sulfur compounds) with nitrified effluent . Horizontal systems that directly connect the liquid medium from aerobic to anoxic zones also were evaluated, such as the mixed aerobic‐anoxic horizontal fixed‐bed reactor (MAAFBR) and the semi‐partitioned reactor (SPR) .…”
Section: Introductionmentioning
confidence: 99%
“…O H2S presente no biogás causa efeitos deletérios aos equipamentos devido à corrosão, ao ambiente devido à toxicidade aos organismos, demandando mitigação de seus efeitos (MANCONI et al, 2007;PANTOJA FILHO et al, 2014). O pós-tratamento de efluentes de sistemas anaeróbios a partir da desnitrificação autotrófica utilizando sulfeto como doador de elétrons mostra-se como uma solução viável para a remoção de nitrogênio e enxofre (GUERRERO; ZAIAT, 2018;MAHMOOD et al, 2007;MORAES;ORRÚ;FORESTI, 2013;PANTOJA FILHO et al, 2014;PELAZ et al, 2017). Neste processo, compostos reduzidos de enxofre (HS -, H2S, S 2-) são oxidados utilizando NO2e ou NO3como aceptores de elétrons por bactérias desnitrificantes quimiolitotróficas.…”
Section: Lista De Tabelasunclassified
“…Os primeiros estudos na temática da integração entre os ciclos do nitrogênio e enxofre foram realizados utilizando reatores verticais contendo diferentes câmaras, nas quais o tanque anóxico recebe uma mistura de efluente anaeróbio (rico em compostos reduzidos de enxofre dissolvidos) com efluente nitrificado (PANTOJA FILHO et al, 2014;PELAZ et al, 2017;SAIA et al, 2016). Sistemas horizontais diretamente conectando câmaras aeróbias e anóxicas também tem sido implementados, como o reator horizontal aeróbio-anóxico e com leito fixo (MAAFBR) (GUERRERO; ZAIAT, 2018).…”
Section: Nitrificação E Desnitrificação Simultâneasunclassified