Bioremediation of Tannery Wastewater by Aspergillus flavus SPFT2

Sharma, Smiley; Malaviya, Piyush

doi:10.20546/ijcmas.2016.503.019

Cited by 11 publications

(10 citation statements)

References 14 publications

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“…This indicates that the lignolytic fungi grown in tannery effluent had either used or degraded the molecules causing turbidity. Similar to the present study, Sharma and Malaviya (2016) stated that Aspergillus flavus isolated from a tannery container exhibited 98.02% reduction in the turbidity of treated tannery effluent.…”

Section: Sampling and Isolation Of Fungi : Eighteen Bark Samples Fromsupporting

confidence: 90%

Effectiveness of application of lignolytic fungal strains, Cladosporium uredinicola GRDBF21 and Bipolaris maydis GRDBF23 in the treatment of tannery effluent

Joseph¹,

Mahalakshmi²,

Revathy³

et al. 2019

JEB

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This study aims to investigate the ability of laccase producing fungal strains Cladosporium uredinicola GRDBF21 and Bipolaris maydis GRDBF23 isolated from decaying wood bark in decolouration and detoxification of tannery effluent. Fungal strains from decaying wood bark samples were isolated by serial dilution technique followed by single spore isolation method. The selected fungal isolates were investigated for their laccase enzyme production. Their effect on physio-chemical properties of tannery effluent collected from final effluent drainage of a leather-tanning factory in Chrompet, Chennai, Tamil Nadu, India was analysed. Toxicity of treated and untreated tannery effluent was analysed by seed germination test. The lignolytic and constitutive producers of laccase enzyme, C. uredinicola GRDBF21 and B. maydis GRDBF23 exhibited a tolerance index of 1.2 and 1.5, respectively, at 60% effluent concentration. The isolates were able to increase pH and reduce colour, turbidity, total suspended solids and electrical conductivity of the effluent. Besides observing a decrease in the BOD and COD levels, there was also a reduction in the sodium and hexavalent chromium content. C. uredinicola GRDBF21 and B. maydis GRDBF23 treated effluent showed a seed germination percentage of 66.6% and 76.6%, respectively. The untreated effluent completely inhibited the seed germination. The study confirms that the fungal species C. uredinicola GRDBF21 and B. maydis GRDBF23 could be effectively used in decolouration and detoxification of tannery effluent.

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Section: Sampling and Isolation Of Fungi : Eighteen Bark Samples Fromsupporting

confidence: 90%

Effectiveness of application of lignolytic fungal strains, Cladosporium uredinicola GRDBF21 and Bipolaris maydis GRDBF23 in the treatment of tannery effluent

Joseph¹,

Mahalakshmi²,

Revathy³

et al. 2019

JEB

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“…Treatment by A. fumigatus resulted in a pH shift from 6.85 to 4.5, which may be possibly due to the release of organic acids by the isolate. The acidic environment facilitated the biosorption of Cr(VI) ions . TDS (1185.4 mg L −1 ) and COD (987 mg L −1 ) were found to be very high in the effluent, whereas in the treated effluent, TDS and COD were significantly reduced to 625 and 568 mg L −1 , respectively.…”

Section: Resultsmentioning

confidence: 99%

Efficacy of Aspergillus fumigatus MCC 1175 for Bioremediation of Tannery Wastewater

Chaudhary

Beniwal

Kaur

et al. 2019

CLEAN Soil Air Water

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Tannery effluent is characterized by high concentrations of chromium, nitrogen, sulfur compounds, and organic matter such as tannins. Chromium and tannins are considered an important source of contamination due to their toxic nature and large volume of liquid discharged and solid sludge produced. In the present study, bioremediation of chromium and tannic acid is studied in a batch culture system using response surface methodology. Scanning electron microscopy (SEM) coupled with energy‐dispersive X‐ray (EDX) and Fourier‐transform infrared spectroscopy (FTIR) are used to investigate adsorption phenomena. A chromium and tannic acid resistance fungal strain is isolated from tannery effluent, and identified as Aspergillus fumigatus MCC 1175 based on its 18S rDNA gene sequence. The minimum inhibitory condition (MIC) of the isolate against chromium and tannic acid was found to be 0.2 and 10 mg mL−1, respectively. The maximum Cr(VI) removal efficiency of 65.1% is found at optimum condition of pH 7, 96 h incubation period, 2.75% inoculum, and 0.1 mg mL−1 chromium. The maximum degradation of tannic acid (63.0%) occurs at pH 5, 27.5 mg mL−1 tannic acid, 100 rpm agitation speed, and an incubation period of 96 h. FTIR analysis of A. fumigatus MCC 1175 revealed the presence of carboxyl and phosphate groups as possible binding sites.

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“…The treatment of tannery wastewater with Fusarium chlamydosporium resulted in the reduction of COD, color, Cr(VI), total suspended solids (TSS), turbidity, Na + , Cl -, and NO 3 -in the order of 71.80, 64.69, 100, 36.47, 22.77, 11.69, 27.87 and 62.33%, respectively after six days of duration. As the bioremediation activity is highly regulated by cell metabolism, which in turn is controlled by media components such as carbon and nitrogen sources and their ratio in addition to other process parameters like pH, incubation temperature and aeration.…”

Section: Resultsmentioning

confidence: 99%

“…The wastewater emanating from tanneries is characterized by a strong color and is heavily polluted with high COD and biochemical oxygen demand (BOD) and inorganic impurities (sodium, calcium, nitrate, ammonia, sulfide, and chloride), dissolved and suspended solids, and other specific pollutants such as vegetable and/or synthetic tannins, sulfonated oils, chromium, Pentachlorophenol and surfactants 2,3 . These colored wastewaters hamper light penetration 4 , whereas high COD results in decreased dissolved oxygen in the aquatic ecosystem 5 .…”

Section: Introductionmentioning

confidence: 99%

Bioremediation of Tannery Wastewater by Chromium Resistant Fungal Isolate Fusarium chlamydosporium SPFS2-g

Sharma¹,

Malaviya²

2014

Curr World Environ

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The present study assessed the bioremediation potential of Fusarium chlamydosporium SPFS2-g isolated from tannery effluent enriched soil. The isolate exhibited minimum inhibitory concentration (MIC) for Cr(VI) as 500 ppm. The treatment of tannery wastewater with Fusarium chlamydosporium in shake flask experiment resulted in the reduction of chemical oxygen demand (COD), color, Cr(VI), total suspended solids (TSS), turbidity, Na + , Cl -, and NO 3 -in the order of 71. 80, 64.69, 100, 36.47, 22.77, 11.69, 27.87 and 62.33%, respectively after six days of treatment duration.

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Bioremediation of Tannery Wastewater by Aspergillus flavus SPFT2

Cited by 11 publications

References 14 publications

Effectiveness of application of lignolytic fungal strains, Cladosporium uredinicola GRDBF21 and Bipolaris maydis GRDBF23 in the treatment of tannery effluent

Effectiveness of application of lignolytic fungal strains, Cladosporium uredinicola GRDBF21 and Bipolaris maydis GRDBF23 in the treatment of tannery effluent

Efficacy of Aspergillus fumigatus MCC 1175 for Bioremediation of Tannery Wastewater

Bioremediation of Tannery Wastewater by Chromium Resistant Fungal Isolate Fusarium chlamydosporium SPFS2-g

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