Phenol removal and biofilm response in coupling of visible-light-driven photocatalysis and biodegradation: Effect of hydrothermal treatment temperature

Ma, Ding; Zou, Donglei; Zhou, Dandan; Li, Tingting; Dong, Shanshan; Xu, Zhengxue

doi:10.1016/j.ibiod.2015.06.004

Cited by 36 publications

(11 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Due to the problematic utilization of naproxen by free S5 cells (especially in the first phase of degradation), increased tolerance of immobilized cells appears to be the result of the accumulation of large amounts of extracellular substances in the biofilm. The same defence mechanism was observed by Ma et al [55] against to immobilized bacteria from activated sludge during biodegradation of phenol. They showed that with the increase in the amount of toxic phenol nol photodegradation products, the number of microbial cells in the biofilm decreased.…”

Section: Changes In Biofilm Formed Onto the Loofah Sponge During Naprsupporting

confidence: 79%

“…of large amounts of extracellular substances in the biofilm. The same defence mechanism was observed by Ma et al [55] against to immobilized bacteria from activated sludge during biodegradation of phenol. They showed that with the increase in the amount of toxic phenol nol photodegradation products, the number of microbial cells in the biofilm decreased.…”

Section: Changes In Biofilm Formed Onto the Loofah Sponge During Naprsupporting

confidence: 79%

See 1 more Smart Citation

Immobilization of Planococcus sp. S5 Strain on the Loofah Sponge and Its Application in Naproxen Removal

et al. 2018

View full text Add to dashboard Cite

Planococcus sp. S5, a Gram-positive bacterium isolated from the activated sludge is known to degrade naproxen in the presence of an additional carbon source. Due to the possible toxicity of naproxen and intermediates of its degradation, the whole cells of S5 strain were immobilized onto loofah sponge. The immobilized cells degraded 6, 9, 12 or 15 mg/L of naproxen faster than the free cells. Planococcus sp. cells immobilized onto the loofah sponge were able to degrade naproxen efficiently for 55 days without significant damage and disintegration of the carrier. Analysis of the activity of enzymes involved in naproxen degradation showed that stabilization of S5 cells in exopolysaccharide (EPS) resulted in a significant increase of their activity. Changes in the structure of biofilm formed on the loofah sponge cubes during degradation of naproxen were observed. Developed biocatalyst system showed high resistance to naproxen and its intermediates and degraded higher concentrations of the drug in comparison to the free cells.

show abstract

Section: Changes In Biofilm Formed Onto the Loofah Sponge During Naprsupporting

confidence: 79%

Section: Changes In Biofilm Formed Onto the Loofah Sponge During Naprsupporting

confidence: 79%

Immobilization of Planococcus sp. S5 Strain on the Loofah Sponge and Its Application in Naproxen Removal

et al. 2018

View full text Add to dashboard Cite

show abstract

“…So, phenol removal becomes a primary concern to the environmentalists, and more attention needs to develop a highly efficient treatment system. Several conventional and advanced oxidation processes (AOP) such as membrane filtration (Su et al ., 2019), coagulation (Qian et al ., 2017), ion exchange, electrolysis (Ma et al ., 2019), solid‐phase extraction (Yousef et al ., 2011), adsorption (Zagklis et al ., 2015), ozonation (Aziz et al ., 2018), UV/H 2 O 2 (Ma et al ., 2015) and Fenton reaction (Malakootian and Heidari, 2018) have been developed for the treatment of wastewater containing phenol. The conventional and AOP process have several limitations, which include high energy consumption, secondary pollutant generation and high cost (Banerjee and Ghoshal, 2011; Liu et al ., 2016).…”

Section: Introductionmentioning

confidence: 99%

A study of external mass transfer effect on biodegradation of phenol using low‐density polyethylene immobilized Bacillus flexus GS1 IIT (BHU) in a packed bed bioreactor

Swain

Sonwani

Giri

et al. 2020

Water & Environment J

View full text Add to dashboard Cite

The impact of external mass transport on the biodegradation rate of phenol in a packed bed bioreactor (PBBR) was studied. A potential bacterial species, Bacillus flexus GS1 IIT (BHU), was isolated from the petroleum‐contaminated soil. Low‐density polyethylene (LDPE) immobilized with the B. flexus GS1 IIT (BHU) was used as packing material in the PBBR. The PBBR was operated by varying the inlet feed flow rate from 4 to 10 mL/min, and the corresponding degradation rate coefficients were found to be in the range of 0.119–0.157 L/g h. In addition, the highest removal rate of phenol was obtained to be 1.305 mg/g h at an inlet feed rate of 10 mL/min. The external mass transfer was studied using the model JD=K NRe(n‐1). A new empirical correlation JD=1.625NRe‐0.3 for the biodegradation of phenol in the PBBR was developed after the evaluation at various values of K and n.

show abstract

“…However, phenol is considered to be an important environmental pollutant because it reduces the life expectancy of water ecosystems. Therefore, different methods for alleviating its environmental impact have been devised, for example, heterogeneous photocatalysis 14 or pervaporation. 15 Amines, which are moderately polar substances and present in a large variety of biological compounds, can be obtained by reductive amination, whereby ketones or aldehydes react with ammonia in the presence of a catalyst or sodium cyanotrihydridoborate.…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Understanding the Differing Fluid Phase Behavior of Cyclohexane + Benzene and Their Hydroxylated or Aminated Forms

2017

View full text Add to dashboard Cite

The three binary mixtures cyclohexane + benzene, cyclohexanol + phenol, and cyclohexylamine + aniline exhibit qualitatively different vapor-liquid phase behavior, that is, azeotropic with a pressure maximum, azeotropic with a pressure minimum, and zeotropic, respectively. Employing molecular modeling and simulation, the COSMO-SAC model, and a cubic equation of state, the root of these effects is studied on the basis of phase equilibria, excess properties for volume, enthalpy, and Gibbs energy as well as microscopic structure. It is found that cyclohexane + benzene is characterized by more pronounced repulsive interactions, leading to pressure maximum azeotropy and a positive excess Gibbs energy. Functionalizing the aliphatic and aromatic rings with one amine group each introduces attractive hydrogen bonding interactions of moderate strength that counterbalance such that the mixture becomes zeotropic. The hydroxyl groups introduce strong hydrogen bonding interactions, leading to pressure minimum azeotropy and a negative excess Gibbs energy.

show abstract

Phenol removal and biofilm response in coupling of visible-light-driven photocatalysis and biodegradation: Effect of hydrothermal treatment temperature

Cited by 36 publications

References 36 publications

Immobilization of Planococcus sp. S5 Strain on the Loofah Sponge and Its Application in Naproxen Removal

Immobilization of Planococcus sp. S5 Strain on the Loofah Sponge and Its Application in Naproxen Removal

A study of external mass transfer effect on biodegradation of phenol using low‐density polyethylene immobilized Bacillus flexus GS1 IIT (BHU) in a packed bed bioreactor

Understanding the Differing Fluid Phase Behavior of Cyclohexane + Benzene and Their Hydroxylated or Aminated Forms

Contact Info

Product

Resources

About