Biohydrogen production from dairy industry wastewater in an anaerobic fluidized-bed reactor

Silva, Aline Neves da; Macêdo, Williane Vieira; Sakamoto, Isabel Kimiko; Pereyra, Daniela de Los Angeles Dalmao; Mendes, Camila Oliveira; Maintinguer, Sandra Imaculada; Filho, Roberto Augusto Caffaro; Damianovic, Márcia Helena Rissato Zamariolli; Varesche, Maria Bernadete Amâncio; Amorim, Eduardo Lucena Cavalcante de

doi:10.1016/j.biombioe.2018.11.025

Cited by 69 publications

(11 citation statements)

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“…The carbohydrate conversion reduced along with HRT, from 81.0 ± 10.3% (6h) to 54.4 ± 2.5% (0.5 h) (Figure 2). Similarly, Silva et al (2019) found a direct proportionality between HRT and carbohydrate conversion, using an AFBR to produce biohydrogen. Since low HRT entails high organic loading rates (OLR), the result indicates that organic matter overloading constricted the carbohydrate conversion.…”

Section: Carbohydrate Conversion and Hydrogen Production Ratementioning

confidence: 86%

“…By decreasing the applied HRT from 6 h to 1 h, an increase was noted in the microbial diversity by the change in the Shannon-Wiener index of diversity varying from 2.030 to 2.586 (Table 2). This can be related to the favoring of other bacterial populations adapted to greater OLR (Silva et al, 2019).…”

Section: Analysis Of the Microbial Communitymentioning

confidence: 99%

“…Among the innumerous possibilities of reactor configuration for dark fermentation processes, anaerobic fluidized bed reactors stand out as an interesting alternative for bioenergy production (Amorim et al, 2012(Amorim et al, , 2009(Amorim et al, , 2014Ottaviano et al, 2017;Silva et al, 2019). AFBR advantages include high OLR and short HRT, fluidization reduces the possibility of reactor clogging and the support medium provides large surface areas for the formation of biofilms.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Hydraulic Retention Time on Hydrogen Production by Treating Cheese Whey Wastewater in Anaerobic Fluidized Bed Bioreactor - An Approach for Developing Countries

Marques

Macêdo

Peiter

et al. 2019

Braz. J. Chem. Eng.

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This study assessed the effect of hydraulic retention time (HRT) on biohydrogen production by dark fermentation using an anaerobic fluidized bed reactor fed with cheese whey synthetic wastewater. The reactor of 1.2 L was operated with an approximate carbohydrate concentration of 2800 mg L -1 , and HRTs of 6, 4, 2, 1 and 0.5 h. Acetic and butyric acids were the main metabolites produced in the reactor. The hydrogen production increased from 0.039 to 1.43 L-H 2 h -1 L -1 -reactor as the HRT decreased from 6 to 0.5 h. The best hydrogen yield (HY) (2.73 mol-H 2 mol-carbohydrate -1 ) and carbohydrate consumption (81.02%) were achieved at a HRT of 6 h (12.34 kg-COD m -3 d -1 ) followed by the HY of 2.43 mol-H 2 mol-carbohydrate -1 at a HRT of 0.5h (163.02 kg-COD m -3 .d - 1 ). An increase in the influent pH in the operational phase 05 (HRT of 0.5 h) favored hydrogen production despite the reduced carbohydrate conversion compared to phase 01 (HRT of 6 h). In both conditions, the reactor presented the highest amount of acetic acid, indicating that the acetate route favored the hydrogen yield production. The HRT reduction led to an increase in microbial diversity, as evidenced by the Shannon-Wiener coefficient of 2.586, which corresponds to the operational phase with a HRT of 2 h.

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Section: Carbohydrate Conversion and Hydrogen Production Ratementioning

confidence: 86%

Section: Analysis Of the Microbial Communitymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influence of Hydraulic Retention Time on Hydrogen Production by Treating Cheese Whey Wastewater in Anaerobic Fluidized Bed Bioreactor - An Approach for Developing Countries

Marques

Macêdo

Peiter

et al. 2019

Braz. J. Chem. Eng.

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“…In recent years, micro-fluidized bed (MFB) has attracted more attention due to its fast screening and process-intensifying properties [4,5]. Therefore, MFB has been applied to different areas such as solid processing [6,7], chemical conversions [8][9][10], CO 2 capture [11], wastewater treatment [12,13], bioproduction [14,15], etc.…”

Section: Introductionmentioning

confidence: 99%

Design and Investigation of a 3D-Printed Micro-Fluidized Bed

Zhang

Goh

et al. 2021

ChemEngineering

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Micro-fluidized bed has aroused much attention due to its low-cost, intensified-process and fast-screening properties. In this paper, a micro-fluidized bed (15 × 15 mm in cross-section) was designed and fabricated with the use of the stereolithography printing technique, for the investigation of bubbles’ hydrodynamics and comparison of the solids (3D-printed particles VS fungal pellets) fluidization characteristics. In a liquid–gas system, bubble flow regime started from mono-dispersed homogeneous regime, followed by poly-dispersed homogeneous regime, transition bubble regime and heterogeneous bubble regime with increasing gas flowrates from 3.7 mL/min to 32.7 mL/min. The impacts from operating parameters such as gas flowrate, superficial liquid velocity and gas sparger size on bubble size, velocity and volume fraction have been summarized. In liquid–solid fluidization, different solid fluidization regimes for both particles bed and pellets bed were identified. From the bed expansion results, much higher Umf of 7.8 mm/s from pellets fluidization was observed compared that of 2.3 mm/s in particles fluidization, because the hyphal structures of fungal pellets increased surface friction but also tended to agglomerate. The similar R–Z exponent n (5.7 and 5.5 for pellets and particles, respectively) between pellets and particles was explained by the same solid diameter, but much higher Ut of 436 µm/s in particles bed than that of 196 µm/s in pellets bed is a consequence of the higher density of solid particles. This paper gives insights on the development of MFB and its potential in solid processing.

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“…Os reatores foram alimentados com água residuária sintética à base de sacarose (5 g DQO. L -1 ) com TDH de 8, 6, 4, 2 e 1 h. A taxa de produção de H2 aumentou de 67,8 para 194,9 mL H2•h -1 L -1 (RALF-T) e de 72,0 para 344,4 mL H2•h -1 L -1 (RALF-M), quando o TDH diminuiu de 8 para 1 h. Os principais metabólitos foram HAc (31,33% a 41,52%) e HBu (10,24% a 20,73%) no RALF mesofílico e acetato (20,14% a 39,32%) e etanol (14,31% a 29,92%) no RALF termofílico, indicando que, os melhores resultados foram observados no RALF mesofílico, com menor TDH.A produção de H2 avaliada porSilva et al (2019) foi realizada a partir de águas residuárias de laticínios, em RALF. Além disso, os autores analisaram a influência da TCO na produção de H2.…”

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Efeito de temperaturas termofílica e hipertermofílica na produção de hidrogênio e 1,3-propanodiol a partir de vinhaça de cana-de-açúcar e glicerol bruto como cossubstratos em reatores anaeróbios de leito fluidificado

Silva¹

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Efeito de temperaturas termofílica e hipertermofílica na produção de hidrogênio e 1,3propanodiol a partir de vinhaça de cana-de-açúcar e glicerol bruto como cossubstratos em reatores anaeróbios de leito fluidificado. VERSÃO CORRIGIDA São Carlos FOLHA DE JULGAMENTOÀ minha avó Lídia e aos meus pais. AGRADECIMENTOSAgradeço a Deus, pelo seu amor e por me permitir ultrapassar todos os obstáculos encontrados ao longo da realização deste trabalho.Agradeço aos meus pais e avós, por todo apoio, amor incondicional e pelos princípios que hoje prezo.À minha família por todo incentivo e apoio.Ao meu orientador Dr. Edson Luiz Silva pelas orientações, ensinamentos e pelo comprometimento com este trabalho.Ao meu parceiro de mestrado e da vida, Gabriel Guedes, por ser o meu ponto de paz e por enfrentar todos os obstáculos da vida ao meu lado. Você foi o melhor presente do mestrado.

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Biohydrogen production from dairy industry wastewater in an anaerobic fluidized-bed reactor

Cited by 69 publications

References 50 publications

Influence of Hydraulic Retention Time on Hydrogen Production by Treating Cheese Whey Wastewater in Anaerobic Fluidized Bed Bioreactor - An Approach for Developing Countries

Influence of Hydraulic Retention Time on Hydrogen Production by Treating Cheese Whey Wastewater in Anaerobic Fluidized Bed Bioreactor - An Approach for Developing Countries

Design and Investigation of a 3D-Printed Micro-Fluidized Bed

Efeito de temperaturas termofílica e hipertermofílica na produção de hidrogênio e 1,3-propanodiol a partir de vinhaça de cana-de-açúcar e glicerol bruto como cossubstratos em reatores anaeróbios de leito fluidificado

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