Integrated ozonation and biomethanization treatments of vinasse derived from ethanol manufacturing

Siles, J.A.; García-García, Isidoro; Martı́n, A.; Martı́n, M.A.

doi:10.1016/j.jhazmat.2011.01.096

Cited by 104 publications

(60 citation statements)

References 29 publications

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Section: Addition Of Value To Vinasse Via Chemical and Advanced Oxidamentioning

confidence: 99%

“…A study conducted by Siles et al (2011) evaluated the serialization of short-retention time ozonation, which was responsible to a decrease in over 50% of phenols, with anaerobic digestion (AD). Pretreated vinasse had anaerobic degradability of around 80% of the total COD, with enhanced methane yield coefficients and methane production rates enhanced by 13.6 and 41.2% when compared to raw vinasse (Siles et al, 2011). Potential studies with phototrophic microorganisms for production of value-added -activated persulfate and peroxymonosulfate oxidation on vinasse to which an addition of 15 g L −1 of coagulant provided over 70% total organic carbon removal, and near 100% of UV254 and color removal, which lowers the toxicity levels for phototrophic microorganisms.…”

Section: Addition Of Value To Vinasse Via Chemical and Advanced Oxidamentioning

confidence: 99%

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Vinasse from Sugarcane Ethanol Production: Better Treatment or Better Utilization?

Reis

2017

Front. Energy Res.

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Ethanol production from sugarcane in Brazil is a well-established industry, with relatively simple operations and high yield. The ethanol primarily serves as a renewable fuel blending with gasoline and diesel to increase the energy security in Brazil. Several environmental concerns are emerged around the by-products from this industry. Vinasse, the liquid fraction generated from the rectification and distillation operations of ethanol, is a sulfur-rich, low pH, dark-colored, and odorous effluent, produced at volumes as high as 20-fold of ethanol. Traditional wastewater treatments, such as bioprocessing, advanced oxidative processes, anaerobic digestion (AD), and chemical-based processes, have been applied to vinasse management. Despite most of its utilization being in fertirrigation practices, vinasse may represent a key factor in enhancing profitability and environmental outcomes of a sugarcane-to-ethanol plant. The application of some upgrade solutions to sugarcane-derived vinasse may represent additional sources of energy, production of animal feed components, and reduction in water consumption within a plant. The use of mature technologies, yet not widespread in the sugarcane-to-ethanol industry, could help attenuate environmental concerns. Oxidation and chemical processes, AD, and microbial fermentation have been presented as alternative impactful alternatives to (i) reduce its organic and mineral load, converting it to a feedstock with fewer environmental applications when applied as fertilizer and (ii) to convert organic matter and nutrients to a nutritious biomass, simultaneously increasing water reclamation potential by plants. This mini-review article provides a critical and comprehensive summary of the alternatives developed or under development to vinasse management.

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Section: Addition Of Value To Vinasse Via Chemical and Advanced Oxidamentioning

confidence: 99%

Section: Addition Of Value To Vinasse Via Chemical and Advanced Oxidamentioning

confidence: 99%

Vinasse from Sugarcane Ethanol Production: Better Treatment or Better Utilization?

Reis

2017

Front. Energy Res.

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“…others are used as raw material [1]. There are two methods to produce ethanol, wet-mill and dry-grind process [2][3][4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

“…The presence of phenols and melanoidins are responsible for the dark brown color [1,11,12]. Chemical characteristics of the stillage differ, depending on the bioethanol feedstock, including chemical oxygen demand (COD) (15-176 gO 2 /L), biological oxygen demand (BOD) (7-96 gO 2 /L), total nitrogen content (0.2-4.2 g/L), total phosphate content (0.2-3.0 g/L), potassium (0.9-17.5 g/L) and sulfate content (2-6 g/L) [12,13].…”

Section: Introductionmentioning

confidence: 99%

“…This process removes and reduces the content of COD and BOD, converts half of the COD in biogas and 10% in sludge [11,12,14,15]. It can be successfully operated at high organic loading rates, low nutrient and energy requirements and stabilized sludge production [1,[5][6][7]12]. Typical digestates from this type of treatment include among others total COD (around 55 g/L), sulfur based COD (around 10 g/L), nitrogen content (0.7-2.5 g/L) and phosphate content (1.5-10 g/l) [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

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Comparison of Ozonation and Evaporation as Treatment Methods of Recycled Water for Bioethanol Fermentation Process

Fernandes

Boczkaj

Głazowska

et al. 2017

Waste Biomass Valor

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High strength bioethanol wastewater inoculated with single‐strain or binary consortium feeding air‐cathode microbial fuel cells

Marassi

Igreja

Uchigasaki

et al. 2018

Env Prog and Sustain Energy

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Bioethanol industries generate a large volume of high strength wastewater called vinasse. This study compares the performance of microbial fuel cells (MFCs), inoculated with a single‐strain or a binary consortium, to produce bioelectricity while simultaneously reducing the COD levels and removing the vinasse color. The MFCs achieved the power density of 124.0 ±0.2 mW/m2 when inoculated with a strain of Shewanella oneidensis (MFC/So) and 178.0 ±0.8 mW/m2 after inoculation with a strain of Clostridium butyricum (MFC/Cb). However, a better performance in power density was reached by the MFC inoculated with both cultures (MFC/So‐Cb), which produced 205.0 ±0.5 mW/m2. Additionally, the results showed a decrease in the initial COD (36,440 mg/L), as well as a decolorization. Thus, the MFC/So, MFC/Cb, and MFC/So‐Cb caused a reduction in COD by 41.8 ± 2.4%, 20.1 ± 4.4%, and 53.8 ± 5.9%, respectively, and in color by 62 ± 4%, 70 ± 4%, and 58 ± 5%, respectively. These findings demonstrate that high power density can be produced using raw vinasse as a substrate in air‐cathode MFCs. However, the coulombic efficiency was low indicating that the COD conversion into electricity must be improved. Novelty: This work combines fermentative and metal‐reducing bacteria, instead of mixed cultures with unknown microorganisms, to break down complex organics in the vinasse, simultaneously to electricity generation. No studies have been found concerning Shewanella oneidensis and Clostridium butyricum strains for harvesting bioelectricity from bioethanol wastewater. Second, different from early studies, this work uses the real high strength wastewater, without dilution or any pre‐treatment, before MFC process. Third, here we consider the total biomass at the end process to calculate the COD removal rate. Finally, we employed electronic load, never used previously, in MFC polarization measurements. © 2018 American Institute of Chemical Engineers Environ Prog, 38: 380–386, 2019

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Integrated ozonation and biomethanization treatments of vinasse derived from ethanol manufacturing

Cited by 104 publications

References 29 publications

Vinasse from Sugarcane Ethanol Production: Better Treatment or Better Utilization?

Vinasse from Sugarcane Ethanol Production: Better Treatment or Better Utilization?

Comparison of Ozonation and Evaporation as Treatment Methods of Recycled Water for Bioethanol Fermentation Process

High strength bioethanol wastewater inoculated with single‐strain or binary consortium feeding air‐cathode microbial fuel cells

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