Ansbbr
Mostrando 1-12 de 13 artigos, teses e dissertações.
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1. THERMOPHILIC BIOMETHANE PRODUCTION BY VINASSE IN AN AnSBBR: START-UP STRATEGY AND PERFORMANCE OPTIMIZATION
Abstract Thermophilic anaerobic digestion treatment of industrial wastewater generated at high temperatures can be used as an alternative for environmental pollution control and bioenergy production. Therefore, this study investigated thermophilic anaerobic reactors containing immobilized biomass (AnSBBR) to treat vinasse for methane production, in batch and
Braz. J. Chem. Eng.. Publicado em: 30/09/2019
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2. Feasibility of biohydrogen production by co-digestion of vinasse (sugarcane stillage) and molasses in an AnSBBR
Abstract This work studied the feasibility of biohydrogen production by co-digestion of vinasse/molasses in an AnSBBR operated with mechanical stirring (30°C and 200 rpm). Hydrogen production by co-digestion of vinasse/sucrose was also studied to verify the performance of the process with a known co-substrate with easy degradation. The effects of influent c
Braz. J. Chem. Eng.. Publicado em: 2018-01
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3. AnSBBR applied to biomethane production for vinasse treatment: effects of organic loading, feed strategy and temperature
Abstract This study assessed the feasibility of an anaerobic sequencing batch and fed-batch biofilm reactor (AnSBBR) with mechanical stirring for vinasse treatment and biomethane production. The amount of liquid medium used was 3 L, and the treated volume was 1 L per cycle. The cycle time was 8 h, with feeding times of 10 min (batch mode) and 240 min (fed-ba
Braz. J. Chem. Eng.. Publicado em: 2017-07
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4. BIOHYDROGEN FROM CHEESE WHEY TREATMENT IN AN AnSBBR: ACHIEVING PROCESS STABILITY
AbstractAn AnSBBR (anaerobic sequencing batch reactor containing biomass immobilized on an inert support) with liquid phase recirculation, containing a 3.5 L working volume, treated 1.5 L of cheese whey wastewater in 3 and 4 h cycles at 30 ºC to produce biohydrogen. From startup the bioreactor presented process instability. To overcome this problem the foll
Braz. J. Chem. Eng.. Publicado em: 2015-06
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5. THE "CHEMICAL OXYGEN DEMAND / TOTAL VOLATILE ACIDS" RATIO AS AN ANAEROBIC TREATABILITY INDICATOR FOR LANDFILL LEACHATES
Abstract In some operational circumstances a fast evaluation of landfill leachate anaerobic treatability is necessary, and neither Biochemical Methane Potential nor BOD/COD ratio are fast enough. Looking for a fast indicator, this work evaluated the anaerobic treatability of landfill leachate from São Carlos-SP (Brazil) in a pilot scale Anaerobic Sequence B
Braz. J. Chem. Eng.. Publicado em: 2015-03
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6. AnSBBR with circulation applied to biohydrogen production treating sucrose based wastewater: effects of organic loading, influent concentration and cycle length
An anaerobic sequencing batch biofilm reactor (AnSBBR) containing immobilized biomass and operating with recirculation of the liquid phase (total liquid volume 4.5 L; treated volume per cycle 1.9 L) was used to treat sucrose-based wastewater at 30 ºC and produce biohydrogen. The influence of applied volumetric organic load was studied by varying the influen
Braz. J. Chem. Eng.. Publicado em: 2014-09
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7. Estudo da produção de biohidrogênio em AnSBBR com recirculação da fase líquida tratando água residuária sintética: efeito da carga orgânica / Study of hydrogen production in AnSBBR with recirculation the liquid phase treating sucrose based wastewater: organic load effect
Um reator anaeróbio com biomassa imobilizada operado em bateladas sequenciais com recirculação da fase liquida (AnSBBR) foi aplicado à produção de biohidrogênio. Foram tratados 1.9 L de meio por ciclo, analisando a influência da variação da carga orgânica volumétrica (COAV) através da variação da concentração do afluente sintético a base de
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2012
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8. Influência da carga orgânica na produção de biohidrogênio em ASBBR com agitação tratando água residuária sintética / Influence of influent concentration and feed time on biohydrogen production in an ASBBR with agitation treating sucrose based wastewater
A mechanically stirred anaerobic sequencing batch reactor containing immobilized biomass treated sucrose-based synthetic wastewater to produce biohydrogen. The system was inoculated with sludge from an anaerobic methanogenic reactor. The following have been assessed: production of biohydrogen, yield per applied and removed load, reactor stability and efficie
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/03/2012
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9. Kinetic modeling and microbial assessment by fluorescent in situ hybridization in anaerobic sequencing batch biofilm reactors treating sulfate-rich wastewater
This paper reports the results of applying anaerobic sequencing batch biofilm reactors (AnSBBR) for treating sulfate-rich wastewater. The reactor was filled with polyurethane foam matrices or with eucalyptus charcoal, used as the support for biomass attachment. Synthetic wastewater was prepared with two ratios between chemical oxygen demand (COD) and sulfate
Brazilian Journal of Chemical Engineering. Publicado em: 2011-06
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10. Efeito do bicarbonato de sódio no tratamento de vinhaça em AnSBBR operado a 55 e 35ºC
Avaliou-se a influência do bicarbonato de sódio (NaHCO3) no desempenho do reator anaeróbio batelada sequencial com biomassa imobilizada tratando vinhaça a 55 e a 35ºC. O reator foi preenchido com espuma de poliuretano e agitado a 300 rpm. A adaptação a 55ºC estendeu-se por 50 dias, tendo o reator sido alimentado com vinhaça (DQO de 0,3 a 1,0 g/L). P
Engenharia Sanitaria e Ambiental. Publicado em: 2010-09
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11. AnSBBR and AnSBR submitted to different conditions of wastewater feeding from industry of personal care products / AnSBBR e AnSBR submetidos a diferentes condições de alimentação de água residuária de indústria de produtos de higiene pessoal
Este trabalho apresenta a avaliação da estabilidade e da eficiência de dois reatores anaeróbios operados em batelada seqüencial no tratamento de água residuária que simula o efluente de indústria de produtos de higiene pessoal, sendo um com biomassa imobilizada em espuma de poliuretano (AnSBBR) e recirculação da fase líquida, e outro com biomassa
Publicado em: 2009
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12. Estudo da remoção de sulfato em biorreator operado em batelada e batelada alimentada seqüenciais, contendo biomassa imobilizada e utilizando agitação mecânica e "draft-tube" / Study on sulfate removal in an anaerobic sequencing batch reactor containing immobilized biomass, and utilizing mechanical agitation and "draft-tube"
Um reator anaeróbio tratando esgoto sintético de baixa concentração de matéria orgânica (500 mgDQO/L-1) e enriquecido com diferentes concentrações de sulfato (razões DQO/[SO4-2] de 1,34, 0,67 e 0,34) foi submetido à diferentes estratégias de alimentação (batelada e batelada alimentada de 3 h e de 6 h). O reator operou com capacidade de 4,0 L e t
Publicado em: 2008