Tunisian hypersaline sediments to set up suitable halotolerant microbial bioanodes for electrostimulated biodegradation of thiabendazole
نویسندگان
چکیده
This study investigated for the first time performance of microbial halotolerant bioanodes designed from two Tunisian Hypersaline Sediments (THS) simultaneous electrostimulated biodegradation synthetic fruit packaging wastewater containing thiabendazole (TBZ), and recovery an anodic current signal. Halotolerant formation has been conducted on 6 cm 2 carbon felt electrodes polarized at −0.1V vs Saturated Calomel Electrode (SCE), inoculated with 80% (v:v) 50 ppm irradiated or not TBZ 20% THS a period 7 days. Microbial bioanodes, corresponding anolytes, i.e., wastewater, were studied comparatively by electrochemical, microscopic, spectroscopic, molecular ecology tools. Despite low maximum densities recorded in runs (3.66 mA/m ), more than was degraded when non-irradiated (nTBZ) used as sole energy microorganisms. Nevertheless, degradation presence (iTBZ) greatly reduced increasing irradiation dose density 0.95 rate less 50% iTBZ. In addition, chemical changes observed result gamma bioelectrochemical degradation. FT-IR UV-Vis techniques confirmed structural bonds producing novel functional groups. Culture-dependent approach 16S ribosomal RNA sequencing demonstrated that bacterial community formed nTBZ dominated Proteobacteria (75%) Firmicutes (25%) . At species level, enrichment Halomonas smyrnensis , halophila salina Halomonasor ganivorans koreensis correlated maximal production As result, bacteria, specifically those Chott El Djerid (CJ) site certainly have well established application fungicide real vegetable processing industries.
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ژورنال
عنوان ژورنال: Frontiers in Energy Research
سال: 2022
ISSN: ['2296-598X']
DOI: https://doi.org/10.3389/fenrg.2022.981802