2024 Phenanthrene oxidation

Phenanthrene oxidation

Author: mael

August undefined, 2024

WebMar 20, 2024 · Here, the co-metabolism of phenanthrene (PHE) and Fe(III) by marine-derived Kocuria oceani FXJ8.057 was realized under aerobic condition. In the presence of both PHE and Fe(III), the rates of PHE degradation and Fe(III) reduction by K. oceani FXJ8.057 were synchronously enhanced, likely because the strain secreted riboflavin, which acted as an ...

Degradation of phenanthrene by the rhizobacterium

WebJan 4, 2024 · The solvent for both phenanthrene and 2-aminofluorene was acetonitrile (0.5% (v/v) final concentration). The experiment was conducted in the dark to prevent phenanthrene auto-oxidation. The solutions were freshly prepared and changed every 24 h. After 3 days in the test solution, the number and length of the roots were recorded. WebThree polynuclear aromatic hydrocarbons, fluorene, phenanthrene, and acenaphthene, have been treated in water with ozone combined with hydrogen peroxide. The effect of hydrogen peroxide concentration, pH, and bicarbonate ions has been investigated. The process goes through direct and radical reactions in the case of fluorene and phenanthrene oxidation, … hornslet motionscenter

Reaction mechanism for the synthesis of 9,10-phenanthrenequinone

WebElectro-oxidation (EO or EOx), also known as anodic oxidation or electrochemical oxidation (EC), is a technique used for wastewater treatment, mainly for industrial effluents, and is a type of advanced oxidation process (AOP). The most general layout comprises two electrodes, operating as anode and cathode, connected to a power source.When an … WebPhenanthrene CAS Number: 85-01-8 What is phenanthrene? Phenanthrene is one of a group of chemicals called polycyclic aromatic hydrocarbons, PAHs for short. PAHs are often … WebApr 1, 1990 · The oxidation of the inner ring leads mainly to the primary formation of 9-fluorenone from fluorene, 9,10-anthraquinone in the case of anthracene, and to 9-fluorenone and 9,10-phenanthrenequinone from phenanthrene. The oxidation of the outer ring yields, 1,4-anthraquinone, 2,3-naphthalic anhydrid, and pyromellitic anhydrid in the case of ... hornsleth

Identification of Metabolites from Phenanthrene …

Coupled Fe(Iii) Reduction and Phenanthrene Degradation by …

WebJan 12, 2006 · The oxidation of phenanthrene in subcritical water was further investigated using 3% hydrogen peroxide solution. Like the degradation in deionized water, temperature had a significant effect on phenanthrene oxidation in the hydrogen peroxide–water system. WebJan 30, 2009 · Phenanthrene (PHE, 98% purity) and pyrene (PYR, 98% purity) were supplied by Aldrich. Hydrogen peroxide (50 vol%) was purchased from VWR and ferrous sulphate … hornsleth herlufsholmWebJun 18, 2010 · The degradation of phenanthrene sorbed on soil has been carried out using a H 2 O 2 /goethite heterogeneous catalytic oxidation process. The effect of operating … hornsleth\\u0027s eftf

"WebFeb 4, 2024 · Phenanthrene carboxylic acid was detected in the phenanthrene-degrading enrichment cultures, providing evidence to indicate carboxylation as an activation … " - Phenanthrene oxidation

Phenanthrene oxidation

WebMar 28, 2024 · Phenanthrene is used for industrial production of 9,10-phenanthrene quinone as well as diphenic acid by vapor-phase oxidation over vanadium-based catalysts . Same … WebPhenanthrene is widely distributed in the aquatic environment and has been identified in surface water, tap water, wastewater, and dried lake sediments. It has also been identified …

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WebSoluble transition metal complexes can induce oxidative aromatization concomitant with complexation. α-Phellandrene (2-methyl-5- iso -propyl-1,3-cyclohexadiene) is oxidised to p - iso -propyltoluene with the reduction of … WebFeb 5, 2009 · For the first time the production of an emulsifying agent during phthalic, 2,2′-diphenic and α-hydroxy-β-naphthoic acids, phenanthrene, anthracene, fluorene, pyrene, fluoranthene, and chrysene degradation by white rot fungus Pleurotus ostreatus was found. The emulsifying activity of the cultivation medium after degradation of these compounds …

WebJun 25, 2024 · The chromium (VI) oxide reacts with water and forms chromic acid. The chromic acid can oxidize an alcohol to a ketone (Jones-Oxidation) So what misses is the alcohol. Somehow I have to get the 9,10-phenanthrenediol, which could react as alcohol in the Jones-Oxidation. How could this possibly work. WebThinkIR: The University of Louisville's Institutional Repository

WebPhenanthrene is a polycyclic aromatic hydrocarbon (PAHs) composed of three fused benzene rings which takes its name from the two terms ‘phenyl’ and ‘anthracene. ... PFAS and metals, via enhanced bioremediation, bioaugmentation, in situ chemical oxidation, reduction (ZVI), sorption, desorption, immobilization and vapor intrusion mitigation Phenanthrene is a polycyclic aromatic hydrocarbon (PAH) with formula C14H10, consisting of three fused benzene rings. It is a colorless, crystal-like solid, but can also appear yellow. Phenanthrene is used to make dyes, plastics and pesticides, explosives and drugs. It has also been used to make bile acids, … See more Phenanthrene is nearly insoluble in water but is soluble in most low polarity organic solvents such as toluene, carbon tetrachloride, ether, chloroform, acetic acid and benzene. The … See more Ravatite is a natural mineral consisting of phenanthrene. It is found in small amounts among a few coal burning sites. Ravatite represents a small group of organic minerals. See more • Chrysene See more • Phenanthrene at scorecard.org See more

WebOct 1, 2024 · Phenanthrene was taken as a representative of PAHs, and Fe2+ was used to activate PS to investigate the response of the soil environment and indigenous microorganisms under different concentrations of PS oxidation.

WebMar 1, 2011 · The mechanism of degradation was determined through identification of the several metabolites; 9,10-phenanthrenequinone, 2,2'-diphenic acid, salicylic acid, and … hornsleth maleriWebJan 5, 2024 · In this work, we studied the anthracene oxidation by hydroxyl radicals. Hydroxyl radical was generated by reaction of 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin Fe (III) (TPPFe) with hydrogen peroxide under visible radiation at a nitrogen atmosphere. The TPPFe was synthesized by Adler Method followed by metal complexation with Fe (III) … hornsleth homelessWebMay 1, 2016 · Phenanthrene (Phe) is one of the most abundant polycyclic aromatic hydrocarbons (PAHs) observed in polluted urban atmosphere. The most important … hornsleth plakaterWebSep 1, 2016 · Abstract Phenanthrene (Phe) is one of the most abundant polycyclic aromatic hydrocarbons (PAHs) observed in polluted urban atmosphere. The most important … hornsleth randersWebJul 31, 2024 · Phenanthrene. The reactions of the higher hydrocarbons with electrophilic reagents are more complex than of naphthalene. For example, phenanthrene can be … horns lodge chaileyWebThe ligninolytic fungus Phanerochaete chrysosporium oxidized phenanthrene and phenanthrene-9,10-quinone (PQ) at their C-9 and C-10 positions to give a ring-fission product, 2,2'-diphenic acid (DPA), which was identified in chromatographic and isotope dilution experiments. hornsleth\u0027s eftfWeband effects of phenanthrene on the degradation of high molecular weight PAHs, fluoranthene and pyrene as a mechanism of co-metabolic oxidation, are also reported. MATERIALS AND METHODS Chemicals. All chemicals and solvents were of the highest purity. They were purchased as follows: naphthalene and phenanthrene from Sigma hornslet if motion