Topics

Syntrophic metabolism of phenol in the anodic degradation within a Phenol-Cr(VI) coupled microbial electrolysis cell.

08:00 EDT 17th March 2020 | BioPortfolio

Summary of "Syntrophic metabolism of phenol in the anodic degradation within a Phenol-Cr(VI) coupled microbial electrolysis cell."

Bioelectrochemical system (BESs) has been applied to treat refractory wastewaters such as phenolic wastewater since microbial anodic oxidation driven by electroactive bacteria is believed to enhance decomposition of organic matters. Considering that most of electroactive bacteria are sensitive to phenol and cannot utilize it directly, it was assumed that fermentative bacteria and electroactive bacteria in mixed-culture BESs cooperated to degrade phenol. To clarify this assumption, a microbial electrolysis cell (MEC) for phenol degradation with Cr(VI)-reduction bio-cathode was developed in this study. Results showed that phenol served as anodic electron donor was more efficient than acetate for cathodic reduction of Cr(VI) since the slow release of acetate from phenol degradation with fermentative bacteria might make full use of acetate as electron donor for anodic oxidation. The production of quorum sensing (QS) signal molecules were higher in phenolic anolyte, confirming the syntrophic metabolism among phenol-degrading bacteria and electroactive bacteria. Cyclic voltammetry (CV) test and Fourier transform infrared spectroscopy (FT-IR) indicated that phenolic anolyte and anodic sludge had higher electron transfer ability due to enhanced bio-electrochemisty processes in syntrophic metabolism.

Affiliation

Journal Details

This article was published in the following journal.

Name: The Science of the total environment
ISSN: 1879-1026
Pages: 137990

Links

DeepDyve research library

PubMed Articles [9938 Associated PubMed Articles listed on BioPortfolio]

Flow effects on phenol degradation and sonoluminescence at different ultrasonic frequencies.

Current literature shows a direct correlation between the sonochemical (SC) process of iodide oxidation and the degradation of phenol solution. This implies phenol degradation occurs primarily via oxi...

Phytoremediation of phenol by Hydrilla verticillata (L.f.) Royle and associated effects on physiological parameters.

Phenol contamination is a common occurrence in aquatic environments in different parts of the world and strategies that utilize cheap and eco-friendly phytoremediation technologies are required to ove...

Assessing the efficiency of a pilot-scale GDE/BDD electrochemical system in removing phenol from high salinity waters.

Enhanced mineralization of phenol in brines with high chloride content was investigated by employing an electrochemical advanced oxidation treatment that couples anodic oxidation, electrochlorination ...

Growth behavior, glucose consumption and phenol removal efficiency of Chlorella vulgaris under the synergistic effects of glucose and phenol.

The use of algae is an effective approach to remove phenol and its derivatives from polluted water. The growth behavior, glucose consumption and phenol removal efficiency of Chlorella vulgaris under t...

Degradation of phenol by coal-based carbon membrane integrating sulfate radicals-based advanced oxidation processes.

Phenol, as a representative organic pollutant in aquatic environments, has posed a serious threat to humans and ecosystem. In this work, a novel integration system combined coal-based carbon membrane ...

Clinical Trials [2694 Associated Clinical Trials listed on BioPortfolio]

Cranberry (Poly)Phenol Consumption on Vascular Function

Epidemiological studies suggest that the consumption of (poly)phenols rich foods such as cocoa, tea, fruits and vegetables is associated with lower blood pressure, reduced cholesterol and ...

Ultrasound-guided Genicular Nerve Block With Phenol for the Treatment of Chronic Pain Due to Knee Osteoarthritis

Osteoarthritis (OA) is one of the most frequent causes of chronic pain, often intense, debilitating and responsible for a large percentage of the elderly. The disease affects about 10% of ...

Phenol Neurolysis of Genicular Nerves for Chronic Knee Pain

Chronic knee pain from osteoarthritis (OA) is commonly treated with total knee arthroplasty (TKA) when conservative therapies fail to provide pain relief. More than 600,000 TKAs are perfor...

Minimally Invasive Treatment Methods for Pilonidal Disease

Patients with pilonidal sinus disease will be randomised to two groups (crystallised phenol and platelet rich plasma). Sinus healing time, patient satisfaction, complications and recurrenc...

Ultrasound and Peripheral Nerve Stimulator Guided Femoral Nerve Block

A pre-post descriptive study was performed to examine the immediate effects of ultrasound (US) guided femoral nerve block with phenol (UGFNBwP) in managing lower limb spasticity of individ...

Medical and Biotech [MESH] Definitions

Enzymes that catalyze the hydrolysis of a phenol sulfate to yield a phenol and sulfate. Arylsulfatase A, B, and C have been separated. A deficiency of arylsulfatases is one of the causes of metachromatic leukodystrophy (LEUKODYSTROPHY, METACHROMATIC). EC 3.1.6.1.

An enzyme that catalyzes the cleavage of tyrosine to phenol, pyruvate, and ammonia. It is a pyridoxal phosphate protein. The enzyme also forms pyruvate from D-tyrosine, L-cysteine, S-methyl-L-cysteine, L-serine, and D-serine, although at a slower rate. EC 4.1.99.2.

The yellowish discoloration of connective tissue due to deposition of HOMOGENTISIC ACID (a brown-black pigment). This is due to defects in the metabolism of PHENYLALANINE and TYROSINE. Ochronosis occurs in ALKAPTONURIA, but has also been associated with exposure to certain chemicals (e.g., PHENOL, trinitrophenol, BENZENE DERIVATIVES).

A di-tert-butyl PHENOL with antioxidant properties.

Organic compounds that contain two nitro groups attached to a phenol.

Quick Search


DeepDyve research library

Searches Linking to this Article