Potential of lignin as a mediator in combined systems for biomethane and electricity production from ethanol stillage wastewater

Sakdaronnarong, Chularat; Ittitanakam, Apisada; Tanubumrungsuk, Waranuch; Chaithong, Suthinee; Thanosawan, Sirinna; Sinbuathong, Nusara; Jeraputra, Chuttchaval

doi:10.1016/j.renene.2014.11.009

Cited by 25 publications

(12 citation statements)

References 30 publications

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“…Moreover, the power density delivered by MFC/So‐Cb also was superior to the results reported by Sakdaronnarong et al . and Mohamed et al . .…”

Section: Resultsmentioning

confidence: 93%

“…When compared with other molasses-based wastewaters in an air-cathode MFC, the power density of 205.0 AE 0.5 mW/m 2 achieved by MFC/So-Cb (binary consortium) in this study was superior to the 7.5 AE 0.67 mW/m 2 found by Lee et al [19], 115.5 AE 2.7 mW/m 2 obtained by Zhong et al [15], or 124.35 mW/m 2 reached by Mohanakrishna et al [34], which used a mixed-consortium inoculated MFCs. Moreover, the power density delivered by MFC/So-Cb also was superior to the results reported by Sakdaronnarong et al [33] and Mohamed et al [12]. These authors used dual chamber MFCs with potassium permanganate and potassium ferricyanide, respectively, as electron acceptors in the cathode, although these substances are ecotoxic [33].…”

Section: Summary Of the Mfcs Performancementioning

confidence: 79%

“…. These authors used dual chamber MFCs with potassium permanganate and potassium ferricyanide, respectively, as electron acceptors in the cathode, although these substances are ecotoxic . These comparisons reflect the syntrophy for power generation among S. oneidensis MR‐1, C. butyricum , and the endogenous microorganisms present in the vinasse.…”

Section: Resultsmentioning

confidence: 99%

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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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“…Moreover, the power density delivered by MFC/So‐Cb also was superior to the results reported by Sakdaronnarong et al . and Mohamed et al . .…”

Section: Resultsmentioning

confidence: 93%

Section: Summary Of the Mfcs Performancementioning

confidence: 79%

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

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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“…In these studies, the feasibility of using lignin as a substrate to the MFC for electricity generation with the simultaneous accomplishment of lignin conversion has been demonstrated. [157,162,163] Among biological methods, the most common strategy is the use of microorganisms to degrade the complex molecule and use these compounds for their own growth. [156,157] A recent study has reported depolymerization of lignin by H 2 O 2 produced from MFCs.…”

Section: Microbial Electrolysismentioning

confidence: 99%

Electrochemical Lignin Conversion

et al. 2020

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Lignin is the largest source of renewable aromatic compounds, making the recovery of aromatic compounds from this material a significant scientific goal. Recently, many studies have reported on lignin depolymerization and upgrading strategies. Electrochemical approaches are considered to be low cost, reagent free, and environmentally friendly, and can be carried out under mild reaction conditions. In this Review, different electrochemical lignin conversion strategies, including electrooxidation, electroreduction, hybrid electro‐oxidation and reduction, and combinations of electrochemical and other processes (e. g., biological, solar) for lignin depolymerization and upgrading are discussed in detail. In addition to lignin conversion, electrochemical lignin fractionation from biomass and black liquor is also briefly discussed. Finally, the outlook and challenges for electrochemical lignin conversion are presented.

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“…In their study, 93 W m −2 with COD removal efficiency of 81% was obtained. This previous study simultaneously showed potential for treatment of lignin-rich wastewater and ethanol stillage wastewater with the possibility of electric power generation [ 15 ]. However, little information is available on the use of single-chamber MFCs in food waste ethanol stillage.…”

Section: Introductionmentioning

confidence: 99%

Effect of fermentation stillage of food waste on bioelectricity production and microbial community structure in microbial fuel cells

Cheng

Jia

et al. 2018

R. Soc. open sci.

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A single-chamber microbial fuel cell (MFC) was used in this study to treat recycled stillage obtained from food waste ethanol fermentation. Corresponding substrates inside the system were evaluated by fluorescence spectra, and microbial communities were also investigated. Results demonstrated that output voltage and current, respectively, reached 0.29 V and 1.4 mA with an external resistance of 200 Ω. Corresponding total organic carbon and chemical oxygen demand removal efficiency reached more than 50% and 70%, respectively. Results of fluorescence spectra demonstrated that tryptophan-like aromatic, soluble microbial by-product-like and humic acid-like substances accumulated and were not easily degraded. Microbial community analysis by high-throughput sequence indicated that Advenella and Moheibacter occupied the highest proportion among all genera at the anode instead of Geobacter. These results may be due to complicated accumulated stillage, and potential tetracyclines possibly influenced microbial communities. Details on how stillage affects MFC operation should be further studied, and a solution on relieving effects should be established.

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Potential of lignin as a mediator in combined systems for biomethane and electricity production from ethanol stillage wastewater

Cited by 25 publications

References 30 publications

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

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

Electrochemical Lignin Conversion

Effect of fermentation stillage of food waste on bioelectricity production and microbial community structure in microbial fuel cells

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