Start-up of anaerobic baffled reactor in series with upflow anaerobic sludge blanket reactor reactors, using parameters of sedimentation for formation of sludge

Neves, Cristine Serafine; Campos, Claudio Milton Montenegro; Pereira, Erlon Lopes; Boas, Regina Batista Vilas

doi:10.1590/S1413-41522015020040119235

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Artigo Técnico • Eng. Sanit. Ambient. 20 (4) • Dec 2015 • https://doi.org/10.1590/S1413-41522015020040119235 copy

Start-up of anaerobic baffled reactor in series with upflow anaerobic sludge blanket reactor reactors, using parameters of sedimentation for formation of sludge

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

This study aimed to evaluate anaerobic biomass formation in anaerobic baffled reactor (ABR) and sequentialy in upflow anaerobic sludge blanket (UASB) reactor, using the solids liable to sedimentation present in swine wastewater (SW). The ABR and UASB reactors operated in series with hydraulic retention times (HRT) of 15 and 9. The average volumetric organic loading rates (VOLR) was about 53.8, and 36.2 kg.m^-3 d¹ in terms of total COD, respectively. The average removal efficiencies, during the starting up process and biomass formation concernig BOD₅^20°C about 68% (ABR) and 55% (UASB), and in terms of COD about 78% (ABR) and 70% (UASB), respectively. The authors concluded that it is possible, using the sedimentation parameters adopted, to form a granulated biomass, even operating with high organic loadings.

Keywords:
wastewater; anaerobic baffled reactor; efficiency; up flow anaerobic sludge blanket; swine wastewater.

Parâmetros físico-químicos	Frequência	Referência bibliográfica
Temperatura e umidade	Diária	Leitura em termo-higrômetro
pH	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Alcalinidade total (AT), alcalinidade intermediária (AI) e alcalinidade parcial (AP)	Semanal	Ripley, Boyle e Converse. (1986RIPLEY, L.E.; BOYLE, W.C.; CONVERSE, J.C. (1986) Improved alkalimetric monitoring for anaerobic digestion of high-strength wastes. Journal Water Pollution Control Federation , v. 58, n. 5, p. 406-411.)
Condutividade elétrica (CE)	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Acidez total (AcT)	Semanal	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Demanda química de oxigênio total (DQO_T) e solúvel (DQO_S)	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Demanda bioquímica de oxigênio total DBO₅^20°C_T) e solúvel (DBO₅^20°C_S)	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].) e determinação de oxigênio dissolvido pelo método de Wincley modificado
Sólidos totais (ST), fixos (STF) e voláteis (STV)	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Sólidos dissolvidos totais (SDT), fixos (SDF) e voláteis (SDV)	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Nitrogênio total de Kjedahl (NTK)	Semanal	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Fósforo total (P_T)	Semanal	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Óleos e graxas (O&G)	Semanal	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)
Sólidos sedimentáveis (SS)	2 x semana	APHA; AWWA; WEF (2005APHA - American Public Health Association; AWWA - American Water Works Association; WEF - Water Environment Federation. (2005) Standard methods for the examination of water and wastewater 21th. ed. Washington. D.C.: APHA/AWWA/WEF [s.n.].)

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