Conversion of phenols during anaerobic digestion of organic solid waste – A review of important microorganisms and impact of temperature

Levén, Lotta; Nyberg, Karin; Schnürer, Anna

doi:10.1016/j.jenvman.2010.10.021

Cited by 101 publications

(54 citation statements)

References 55 publications

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“…Phenol is a complex organic matter and degraded by the bacterial community of P. aeruginosa into simpler form of organics followed by acetate through an anaerobic degradation [28]. It has been documented that the phenol converts into acetate under anaerobic condition by two possible pathways; one, through 4-hydroxybenzoate into the benzoyl-CoA path and another, through caproate by various microorganisms involved.…”

Section: Anaerobic Phenol Degradationmentioning

confidence: 99%

Simultaneous Removal of Phenol and Dissolved Solids from Wastewater Using Multichambered Microbial Desalination Cell

Pradhan

Jain

Ghangrekar

2015

Appl Biochem Biotechnol

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Microbial desalination cell (MDC) has great potential toward direct electricity generation from wastewater and concurrent desalination through potential difference developed due to microbial activity. Degradation of phenol by isolate Pseudomonas aeruginosa in anodic chamber and simultaneous desalination of water in middle desalination chamber of multichamber MDC is demonstrated in this study. Performance of the MDCs with different anodic inoculum conditions, namely pure culture of P. aeruginosa (MDC-1), 50 % v/v mixture of P. aeruginosa and anaerobic mixed consortia (MDC-2) and anaerobic mixed consortia (MDC-3), was evaluated to compare the phenol degradation in anodic chamber, bioelectricity generation, and simultaneous total dissolved solids (TDS) removal from saline water in desalination chamber. Synergistic effect between P. aeruginosa and mixed anaerobic consortia as inoculum was evident in MDC-2 demonstrating phenol degradation of 90 %, TDS removal of 75 % in 72 h of reaction time along with higher power generation of 27.5 mW/m(2) as compared to MDC-1 (95 %, 64 %, 12.8 mW/m(2), respectively) and MDC-3 (58 %, 52 %, 4.8 mW/m(2), respectively). The results illustrate that the multichamber MDC-2 is effective for simultaneous removal of phenol and dissolved solids contained in industrial wastewaters.

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Section: Anaerobic Phenol Degradationmentioning

confidence: 99%

Simultaneous Removal of Phenol and Dissolved Solids from Wastewater Using Multichambered Microbial Desalination Cell

Pradhan

Jain

Ghangrekar

2015

Appl Biochem Biotechnol

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“…Chemical analysis of digestate from bioreactors operating at thermophilic temperature has detected higher content of phenols compared to mesophilic bioreactors, verifying the degradation results. Digestate with the highest phenol content has the greatest negative impact on soil microbial activity (Leven et al 2012). Veeresh et al (2004) used upflow anaerobic sludge blanket (UASB) for treatment of phenolic wastewater.…”

Section: Anaerobic Biodegradation Of Phenolmentioning

confidence: 99%

Biological removal of phenol from wastewaters: a mini review

Pradeep¹,

Anupama²,

Navya³

et al. 2014

Appl Water Sci

164

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Phenol and its derivatives are common water pollutants and include wide variety of organic chemicals. Phenol poisoning can occur by skin absorption, inhalation, ingestion and various other methods which can result in health effects. High exposures to phenol may be fatal to human beings. Accumulation of phenol creates toxicity both for flora and fauna. Therefore, removal of phenol is crucial to perpetuate the environment and individual. Among various treatment methods available for removal of phenols, biodegradation is environmental friendly. Biological methods are gaining importance as they convert the wastes into harmless end products. The present work focuses on assessment of biological removal (biodegradation) of phenol. Various factors influence the efficiency of biodegradation of phenol such as ability of the microorganism, enzymes involved, the mechanism of degradation and influencing factors. This study describes about the sources of phenol, adverse effects on the environment, microorganisms involved in the biodegradation (aerobic and anaerobic) and enzymes that polymerize phenol.

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“…One possible explanation could be that some enzymes involved in the degradation of TA to benzoate are temperature sensitive [13]. Generally, temperature elevation in a certain range will improve the microorganism activity.…”

Section: Resultsmentioning

confidence: 99%

454-Pyrosequencing Reveals Microbial Community Structure and Composition in a Mesophilic UAFB System Treating PTA Wastewater

Wang

et al. 2015

Curr Microbiol

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To well understand the community structure and composition of mesophilic microorganisms in anaerobic system fed with PTA wastewater, an up-flow anaerobic fixed bed reactor was continuously run at 33 and 37 °C for 75 and 60 days, respectively. Both fluorescence in situ hybridization analysis and 454-pyrosequencing were applied to investigate the microbial distinction within mesophilic ranges. A preferable performance was achieved at 37 than 33 °C. The taxonomic complexities of two samples were further compared at phylum, class, and genus levels. Notably, microbial diversity differed a lot and the change of populations was observed mainly in the shared OTUs. Genus level analysis showed that when temperature was increased to 37 °C, the abundance of Thauera and Hydrogenophaga (β-Proteobacteria) decreased by 93.75 and 61.47 %, respectively, whereas that of Syntrophorhabdus (δ-Proteobacteria) increased from 4.93 to 16.01 %. Furthermore, the dominant archaeal Methanobacterium at both temperatures indicated the prevailing contribution of hydrogenotrophic methanogens in mesophilic anaerobic system.

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Conversion of phenols during anaerobic digestion of organic solid waste – A review of important microorganisms and impact of temperature

Cited by 101 publications

References 55 publications

Simultaneous Removal of Phenol and Dissolved Solids from Wastewater Using Multichambered Microbial Desalination Cell

Simultaneous Removal of Phenol and Dissolved Solids from Wastewater Using Multichambered Microbial Desalination Cell

Biological removal of phenol from wastewaters: a mini review

454-Pyrosequencing Reveals Microbial Community Structure and Composition in a Mesophilic UAFB System Treating PTA Wastewater

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