Biological activated carbon process for biotransformation of azo dye Carmoisine by <i>Klebsiella</i> spp.

Poorasadollah, Delaram; Lotfabad, Tayebe Bagheri; Heydarinasab, Amir; Yaghmaei, Soheila; Mohseni, Farzaneh Aziz

doi:10.1080/09593330.2021.1897167

Cited by 7 publications

(7 citation statements)

References 43 publications

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“…K. quasipneumoniae GT7 proved efficient in the degradation of azo dye in the authors' previous study 15 and was studied in the presence of NaCl within the 0-30% range. The highest growth was obtained at 2% NaCl, similar to what was reported by Linke et al regarding a salt-tolerant pleomorphic Klebsiella strain isolated from a case of diabetic periodontitis 19 .…”

Section: Discussionmentioning

confidence: 91%

“…This study used Klebsiella quasipneumoniae GT7 (GenBank accession number KY357316) isolated from expired date palm liquid which demonstrated high efficiency in degradation of azo dye in the authors' previous study 15 .…”

Section: Bacterial Strain and Cultivationmentioning

confidence: 99%

“…The present study aims to examine Klebsiella quasipneumoniae GT7 for biodecolourization under harsh environmental conditions of salinity and pH. The previously isolated strain GT7 demonstrated efficient biodegradation of the sulfonic azo dye, Carmoisine 15 . In this study, the growth and viability of bacteria were investigated under high salinity and harsh pH conditions.…”

Section: Introductionmentioning

confidence: 99%

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Biodecolourization of Azo Dye under Extreme Environmental Conditions via Klebsiella quasipneumoniae GT7: Mechanism and Efficiency

Karimzadeh¹,

Lotfabad²,

Heydarinasab³

et al. 2022

JEHSD

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Introduction: Biodegradation of azo dyes under harsh environmental conditions has been of great interest for the treatment of colored effluents. The present study aims to evaluate Klebsiella quasipneumoniae GT7 for degrading azo dye Carmoisine under extreme pH conditions and high salinity. Materials and Methods: The growth profiles of bacteria were compared under different conditions of salinity and pH, using the optical density and viability measurements. Kinetic patterns of decolourization by GT7 were investigated under different concentrations of NaCl and/or pH, through the spectrophotometry method. Moreover, thin layer chromatography (TLC) was used to evaluate the biotransformation of Carmoisine into aromatic amines. Scanning electron microscopy (SEM) was carried out to analyze any morphological changes in bacteria under stress conditions. Results: GT7 showed OD-based growth and sustainable viability under [NaCl] ≤ 15% and/or initial pH between 3-11. The viable but nonculturable (VBNC) state explained the bacteria's survival under attenuated growth due to bacterial inefficiency to maintain cytoplasmic osmotic balance, vital turgor pressure, and pH homeostasis. Biodecolourization was accomplished during 48h, where Carmoisine was 50mg/l, [NaCl] ≤ 20%, and/or initial was pH 5-11. TLC, OD600nm and pH measurements as well as visual observation of bacterial pellets at the end of the decolourization confirmed biodegradation as the dominant mechanism, except for pH 3, where dye was removed via adsorption to the cell surface. SEM showed morphological alteration of GT7 from rod to coccoid shape as an approach to resist the harsh conditions ratio. Conclusion: GT7 is shown as an efficient strain for azo dye degradation in harsh environmental conditions.

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Section: Discussionmentioning

confidence: 91%

Section: Bacterial Strain and Cultivationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Biodecolourization of Azo Dye under Extreme Environmental Conditions via Klebsiella quasipneumoniae GT7: Mechanism and Efficiency

Karimzadeh¹,

Lotfabad²,

Heydarinasab³

et al. 2022

JEHSD

Self Cite

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“…Based on the XPS analysis, the metal ions on the catalyst surface mainly exist in the form of Fe 3+ in the form of Fe 2 O 3 . The Fe(III)-CB can react with S 2 O 8 2− and HSO 5 − to produce Fe(II)-CB, S 2 O 8 c − and SO 5 c − (eqn (7) and ( 8)). The Fe(II)-CB can, in turn, can activate S 2 O 8 c − and SO 5 c − to generate sulfate radicals (SO 4 c − ) via electron transfer as shown in eqn ( 9) and (10).…”

Section: The Stability and Reusability Of The Fe-cb Catalystmentioning

confidence: 99%

Iron-loaded carbon black prepared via chemical vapor deposition as an efficient peroxydisulfate activator for the removal of rhodamine B from water

Ahmed,

Hama Aziz,

Agha

et al. 2023

RSC Adv.

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“…Dyes are organic molecules with complex structures that are chemically stable and toxic [8,9]. Dye wastewater also contains large amounts of sulfur, chloride, bromine, metal ions, inorganic salts, and organic salts and has a high chemical oxygen demand, which makes subsequent degradation and treatment extremely difficult [10]. Many dyes can cause allergies, cancer, and mutations in living organisms, posing a serious threat to biological health [11].…”

Section: Introductionmentioning

confidence: 99%

Simple Preparation of Lignin-Based Phenolic Resin Carbon and Its Efficient Adsorption of Congo Red

Su,

Li,

Wang

et al. 2023

Water

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Biomass porous carbon is a low-cost, environmentally friendly material with no secondary pollution and has great potential in the field of dye pollutant adsorption. In this work, we used lignin, a renewable resource abundant in nature, to completely replace phenol and develop a lignin-based phenolic resin carbon (LPFC) adsorbent with high dye removal capacity, high recyclability, and low production cost. The samples were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy, and Raman spectroscopy. Then the effects of adsorbent dosage (1 g/L, 2 g/L, 3 g/L, 4 g/L, and 5 g/L), temperature (30 °C, 45 °C, and 60 °C), initial dye concentration (100, 200, 300, 400, 500, 600, 700, and 800 mg/L), and pH (3, 4, 6, 8, 10, and 12) on the adsorption capacity were investigated during the adsorption process. The experimental results showed that the pore structure of LPFC was richer and more graphitized than that of phenolic resin carbon (PFC). The adsorption performance of LPFC on CR was better than that of PFC. The adsorption characteristics of LPFC were investigated from the adsorption isotherm and kinetic perspectives. The Langmuir isothermal adsorption model and the proposed second-order kinetic model were able to fit the adsorption data better. The adsorption process preferred monolayer adsorption, and the proposed second-order model predicted a maximum adsorption capacity of 425.53 mg/g. After five cycles, the removal of CR by LPFC only decreased from 92.1 to 79.2%. It can be seen that LPFC adsorbents have great potential in the field of wastewater treatment and can effectively realize the high-value application of lignin.

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Biological activated carbon process for biotransformation of azo dye Carmoisine by Klebsiella spp.

Cited by 7 publications

References 43 publications

Biodecolourization of Azo Dye under Extreme Environmental Conditions via Klebsiella quasipneumoniae GT7: Mechanism and Efficiency

Biodecolourization of Azo Dye under Extreme Environmental Conditions via Klebsiella quasipneumoniae GT7: Mechanism and Efficiency

Iron-loaded carbon black prepared via chemical vapor deposition as an efficient peroxydisulfate activator for the removal of rhodamine B from water

Simple Preparation of Lignin-Based Phenolic Resin Carbon and Its Efficient Adsorption of Congo Red

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