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20231225232740.0 |
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231225s2023 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2022.2041103
|2 doi
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|a pubmed24n1122.xml
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|a (DE-627)NLM336705476
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|a (NLM)35138220
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Vempaty, Anusha
|e verfasserin
|4 aut
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|a Strategic development and performance evaluation of functionalized tea waste ash-clay composite as low-cost, high-performance separator in microbial fuel cell
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.06.2023
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|a Date Revised 28.06.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The separator is an important component of the microbial fuel cells (MFCs), which separates anode and cathode entities and facilitates ion transfer between both. Despite the high research in separators in recent years, the need for cost-effective, waste-driven selective separators in MFCs persists. Present study discloses the strategic fabrication of functionalized-tea-waste-ash-clay (FTWA-C) composite separator by integrating functionalized tea waste ash (FTWA) with potter's clay. Clay was used as a base, while FTWA was used as cation exchanger. FTWA and clay were separately mixed in four different ratios, 00:100 (C1); 05:95 (C2); 10:90 (C3); 15:85 (C4). Mixtures were then crafted manually as consecutive four layers. C1-side faced anode while separator-cathode-assembly was developed at C4. The separator was characterized by evaluating proton and oxygen transfer coefficient, and water-uptake analysis. The separator was also analysed for elemental composition, microstructure, particle size, and surface area and porous structure. SEM analysis of FTWA showed the presence of 15-100 nm pores. EDS analysis of the FTWA-C showed the presence of hygroscopic oxides, mainly SO42- and SiO2. A slight peak observed at P/Po∼1, confirmed the presence of macropores. The FTWA-C separator showed proton transfer coefficient as high as 18.7 × 10-5 cm/s, and oxygen mass transfer coefficient of 2.1 × 10-4 cm/s. The FTWA-C displayed the highest operating voltage of 612.4.2 mV, the power density of 1.81 W/m3, and COD removal efficiency of 87.52%. The fabrication cost of this separator was estimated to be $9.8/m2. FTWA-C could be an affordable and high-efficiency alternative for expensive ion-exchange membranes in MFCs
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|a Journal Article
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|a BET: Brunauer Emmett Teller analysis
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|a BJH: Barrett Joyner Halenda method
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|a COD: chemical oxygen demand
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|a CTC1: Clay-FTWA – composite (100:0)
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|a CTC2: Clay-FTWA – composite (95:5)
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|a CTC3: Clay-FTWA – composite (90:10)
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|a CTC4: Clay-FTWA – composite (85:15)
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|a DO: dissolved oxygen
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|a EDS: energy dispersive x-ray spectroscopy
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|a FTWA-C: separator Final FTWA and clay composite separator
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|a FTWA-MFC: the reactor name
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|a FTWA: functionalized tea waste ash
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|a ID: intensity of D band
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|a IG: intensity of G band
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|a Kh: proton transfer coefficient
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|a Ko: oxygen mass transfer coefficient
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|a MFC: microbial fuel cell
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|a Microbial fuel cells
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|a PSD: pore distribution curve
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|a SEM: scanning electron microscopy
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|a TWA: tea waste ash
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|a W%: water uptake rate
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|a clay
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|a separators
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|a tea waste ash
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|a wastewater treatment
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|a Clay
|2 NLM
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|a T1FAD4SS2M
|2 NLM
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|a Protons
|2 NLM
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|a Silicon Dioxide
|2 NLM
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|a 7631-86-9
|2 NLM
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| 650 |
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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1 |
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|a Mathuriya, Abhilasha Singh
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 44(2023), 18 vom: 02. Aug., Seite 2713-2724
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:44
|g year:2023
|g number:18
|g day:02
|g month:08
|g pages:2713-2724
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|u http://dx.doi.org/10.1080/09593330.2022.2041103
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 44
|j 2023
|e 18
|b 02
|c 08
|h 2713-2724
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