Gaseous toluene powered microbial fuel cell: Performance, microbial community, and electron transfer pathway

Zhang, Shihan; You, Juping; An, Ning; Zhao, Jingkai; Wang, Li Dong; Cheng, Zhuowei; Ye, Jiexu; Chen, Dongzhi; Chen, Jianmeng

doi:10.1016/j.cej.2018.06.027

Cited by 94 publications

(17 citation statements)

References 43 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Figure 2a demonstrates that with the initial 95 mg L −1 DMS, the removal efficiencies of DMS within 40 h at open-circuit and closed-circuit states were 74.2 and 89.5%, respectively. The higher DMS removal efficiency achieved at the closed-circuit state was in agreement with literature results, such as toluene 13 and ethyl acetate 16 degradation in MFCs. The reason for this difference is that the electrons generated in DMS biodegradation could not be accepted by the anode substrate in the open-circuit state.…”

Section: Resultssupporting

confidence: 92%

“…The microstructure morphology of the electrode surface was observed by using a field emission scanning electron microscope (HITACHI SU8010). The carbon cloth with biofilms was pretreated as described by Zhang et al 13 The activated sludge as the microbial sample before the MFC start-up and biofilms on the carbon clothes as the sample after the start-up were used for 16S rRNA high-throughput sequencing analysis. Microbial DNA was extracted by using the E.Z.N.A.…”

Section: Methodsmentioning

confidence: 99%

“…We believe that these results will provide insights into the bioelectrochemical degradation of DMS. Cl, 0.13 g of KCl, 12.5 mL of trace elements, and 5 mL of diluted vitamins same as those used in the study by Zhang et al 13 The catholyte included 16.46 g L −1 potassium ferricyanide.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Co-substrate-Assisted Dimethyl Sulfide Degradation and Electricity Generation in a Microbial Fuel Cell

Feng

et al. 2021

Energy Fuels

Self Cite

View full text Add to dashboard Cite

Dimethyl sulfide (DMS) emitted from the petrochemical industry is a typical volatile organic sulfur compound (VOSC) with poor solubility and odorous smell. A microbial fuel cell (MFC) is regarded as an appreciative method for simultaneous DMS degradation and electricity generation. In this work, for the first time, we developed an MFC system for DMS treatment. With an initial concentration of 95 mg L −1 , the DMS removal efficiency at the closed-circuit state was achieved as high as 89.5% within 40 h, which was 1.21 times higher than that at the open-circuit state. The maximum power density and current density were 0.237 mW m −2 and 2.644 mA m −2 , respectively. The dominant electrogenic bacteria in the MFC were Stenotrophomonas, Pseudomonas, and Candidatus Microthrix, and the DMS degraders included Thiobacillus, Truepera, and Candidatus Microthrix. Direct extracellular electron transfer was involved in the bioanode for DMS degradation according to the CV curves. Moreover, to overcome the toxicity of high-concentration DMS on microorganisms and enhance power generation, sodium acetate (NaAc) was added as a co-substrate, resulting in 52.5% increase in DMS degradation activity and a 16.5 times higher maximum output voltage. Overall, these findings may offer basic information for bioelectrochemical degradation of DMS and facilitate the application of MFCs in waste gas treatment.

show abstract

Section: Resultssupporting

confidence: 92%

Section: Methodsmentioning

confidence: 99%

See 1 more Smart Citation

Co-substrate-Assisted Dimethyl Sulfide Degradation and Electricity Generation in a Microbial Fuel Cell

Feng

et al. 2021

Energy Fuels

Self Cite

View full text Add to dashboard Cite

show abstract

“…The redox behavior assessed with biofilm or without biofilm was exposed through CV with a potential window from −1 to 1 V, as depicted in the Figure 6. Toluene oxidation peaked characterized by CV bare multi‐anode at −0.698 V, while biofilm multi‐anode at −0.553 V. Zhang et al 34 studied toluene oxidation potential about −0.31 V from abiotic control. In Figure 6, The result of multi‐anode with biofilm was obtained by CV, which showed a higher oxidation current of 0.08 mA in contrast to 0.02 mA bare multi‐anode at −0.553 V compared with Ag/AgCl.…”

Section: Resultsmentioning

confidence: 99%

Power generation and toluene bioremediation through single chamber benthic microbial fuel cell fed with sugarcane waste as a substrate

Umar

Rafatullah

Khan

et al. 2022

Intl J of Energy Research

View full text Add to dashboard Cite

The water polluted with toluene could be treated using a membrane less single chamber benthic microbial fuel cells (SBMFCs) by using sugar cane waste as a substrate producing energy. Toluene oxidizes into intermediate benzoic acid and completely converts into non-toxic carbon dioxide. The BMFC generated a voltage of 0.530 V between 40 and 80 days when the external resistance was 1 kΩ. The highest power density and current density generated about 34.7 mW/m 2 and 120 mA/m 2 within 41 days. Furthermore, toluene remediation rate was 98.22% by BMFC. On the 41st day, redox curves were measured around À0.6 V (forward peak) and À0.5 V (reverse peak) while specific capacitance of 0.141 F/g. The Nyquist plot was fitted equivalent circuit from electroimpedance spectroscopy performed to measure overall internal resistance (54.81 Ω). The scanning electron micrographs showed that pores over multianode surface were improperly spaced, but these pores were for biofilm growth. The 16S rRNA pyro-sequencing results identified the Staphylococcus sp. and Pseudomonas sp. These results showed that BMFC could be used for the power production and the toluene remediation. In this work, sugarcane waste was used as a substrate in a multi-anode system, as well as toluene treatment and energy production with the help of SBMFC without membrane.

show abstract

“…Dysgonomonas have been identified as core microbiota of both higher [45] and lower [46] termites, including Reticulitermes flavipes [47]. There is growing interest in Dysgonomonas due to their prevalence in biotechnological processes such as lignocellulose degradation and bioconversion of polysaccharides for biofuel development [48,49], microbial fuel and electrolysis cells [50][51][52][53][54][55][56][57], wastewater bioreactors [58,59], biodegradation of food waste [60,61] and pharmaceutical compounds [58,[62][63][64].…”

Section: Introductionmentioning

confidence: 99%

Development and application of aerobic, chemically defined media forDysgonomonas

Bridges

Gage

2020

Preprint

View full text Add to dashboard Cite

Members of Dysgonomonas are Gram-negative, non-motile, facultatively anaerobic coccobacilli originally described in relation to their isolation stool and wounds of human patients (CDC group DF-3). More recently Dysgonomonas have been found to be widely distributed in terrestrial environments and are particularly enriched in insect systems. Their prevalence in xylophagous insects such as termites and wood-feeding cockroaches, as well as in soil-fed microbial fuel cells, elicit interest in lignocellulose degradation and biofuel production, respectively. Their prevalence in mosquito and fruit fly have implications relating to symbiosis, host immunology and developmental biology. Additionally, their prevalence in termite, mosquito and nematode present novel opportunities for pest and vector control. Currently, the absolute growth requirements of Dysgonomonas are unknown, and they are cultured solely under anaerobic conditions on complex media containing blood, peptones, tryptones, and yeast, plant or meat extracts. Restrictive & undefined culturing conditions preclude physiological and genetic studies, and thus further understanding of metabolic potential. Here we describe the requirements for growth of termite-derived Dysgonomonas isolates and create parallel defined, minimal and complex media that permit vigorous and reliable aerobic growth. Furthermore, we show that these media can be used to easily enrich for Dysgonomonas isolates from complex and microbially-diverse environmental samples.Impact StatementMembers of the genus Dysgonomonas are increasingly prevalent in ecological, medical and biotechnological contexts. To the best of our knowledge, there are currently no formulations for chemically defined or minimal media for Dysgonomonas, and limited complex formulations that allow aerobic growth, particularly on solid media. We have created three parallel media formulations (complex, defined & minimal) that permit robust aerobic and anaerobic growth in liquid and agar-solidified media. These formulations remove the necessity for animal blood and expensive equipment such as anaerobic chambers, which can inhibit basic research by groups with biosafety and resource limitations.

show abstract

Gaseous toluene powered microbial fuel cell: Performance, microbial community, and electron transfer pathway

Cited by 94 publications

References 43 publications

Co-substrate-Assisted Dimethyl Sulfide Degradation and Electricity Generation in a Microbial Fuel Cell

Co-substrate-Assisted Dimethyl Sulfide Degradation and Electricity Generation in a Microbial Fuel Cell

Power generation and toluene bioremediation through single chamber benthic microbial fuel cell fed with sugarcane waste as a substrate

Development and application of aerobic, chemically defined media forDysgonomonas

Contact Info

Product

Resources

About