Mineralization of paracetamol in aqueous medium by anodic oxidation with a boron-doped diamond electrode

Brillas, Enric; Sirés, Ignasi; Arias, Conchita; Cabot, Pere Lluı́s; Centellas, Francesc; Rodrı́guez, Rosa Marı́a; Garrido, José Antonio

doi:10.1016/j.chemosphere.2004.09.028

Cited by 328 publications

(188 citation statements)

References 19 publications

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“…The treatment of acetaminophen using anodic oxidation with a Borondoped diamond (BDD) electrode has been successful during small scale investigations (Brillas et al, 2005). This process allows complete mineralisation of the acetaminophen due to the generation of large concentrations of hydroxyl radicals by the electrode.…”

Section: Electrochemical Treatment Optionsmentioning

confidence: 99%

Treatment options for wastewater effluents from pharmaceutical companies

Deegan

Basha

Nolan

et al. 2011

Int. J. Environ. Sci. Technol.

295

126

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Section: Electrochemical Treatment Optionsmentioning

confidence: 99%

Treatment options for wastewater effluents from pharmaceutical companies

Deegan

Basha

Nolan

et al. 2011

Int. J. Environ. Sci. Technol.

295

126

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“…It may enter the environment mainly from manufacturing wastes (Philips et al 2010;Skoumal et al 2006). Currently, paracetamol wastewater is mainly treated by chemical oxidation processes such as electrochemical (Brillas et al 2005), ozonation (Andreozzi et al 2003), H 2 O 2 /UV oxidation (Andreozzi et al 2003;Skoumal et al 2006), TiO 2 photocatalysis (Yang et al 2008(Yang et al , 2009, and solar photoelectro-Fenton oxidation (Li et al 2007). Although these chemical methods may be available for treating these pollutants, the harsh reaction conditions, the generation of secondary pollutants, and the high operational cost associated with these methods have often made them not a desirable choice (Chen et al 2010;Li et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Degradation of paracetamol by pure bacterial cultures and their microbial consortium

Zhang

Zhu

et al. 2012

Appl Microbiol Biotechnol

146

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Three bacterial strains utilizing paracetamol as the sole carbon, nitrogen, and energy source were isolated from a paracetamol-degrading aerobic aggregate, and assigned to species of the genera Stenotrophomonas and Pseudomonas. The Stenotrophomonas species have not included any known paracetamol degraders until now. In batch cultures, the organisms f1, f2, and fg-2 could perform complete degradation of paracetamol at concentrations of 400, 2,500, and 2,000 mg/L or below, respectively. A combination of three microbial strains resulted in significantly improved degradation and mineralization of paracetamol. The co-culture was able to use paracetamol up to concentrations of 4,000 mg/L, and mineralized 87.1 % of the added paracetamol at the initial of 2,000 mg/L. Two key metabolites of the biodegradation pathway of paracetamol, 4-aminophenol, and hydroquinone were detected. Paracetamol was degraded predominantly via 4-aminophenol to hydroquinone with subsequent ring fission, suggesting new pathways for paracetamol-degrading bacteria. The degradation of paracetamol could thus be performed by the single isolates, but is stimulated by a synergistic interaction of the three-member consortium, suggesting a possible complementary interaction among the various isolates. The exact roles of each of the strains in the consortium need to be further elucidated.

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“…Chlorophenols are then oxidized by the combined action of OH· produced at the anode by means of reaction [4] and catalytic activity of PtO/PtO 2 (formation of polymers) and in homogeneous medium by means of Fenton reaction. Photo-electro-Fenton is a distinct method where contaminated solution is irradiated with UV light of λ=300-400nm that causes the photo-Fenton reaction of Fe(OH) +2 the predominant species of Fe +3 in acid medium, as is shown by equation [3] ( 22,23).…”

Section: Resultsmentioning

confidence: 99%

Micro Reactor For Chlorophenols Electrocathalytic Oxidation

Radovici¹,

Banu²

2009

ECS Trans.

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Chlorophenols are universal priority pollutants listed by all Environmental Agencies. The removal of chlorophenols from contaminated waters is carried out by microbiological and chemical methods. In this work is presented a combination of three methods that are electrochemical oxidation, electrochemical reduction and photo-Fenton-oxidation. Results performed in a micropilot reactor showed that it is feasible to degrade chlorophenols by these combined methods, with a removal rate of 82%, at a current density of 6.66 Adm -2 . The current efficiency was calculated and the results indicated that this combined method is more efficient that separated ones (electrochemical oxidation or reduction).

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Mineralization of paracetamol in aqueous medium by anodic oxidation with a boron-doped diamond electrode

Cited by 328 publications

References 19 publications

Treatment options for wastewater effluents from pharmaceutical companies

Treatment options for wastewater effluents from pharmaceutical companies

Degradation of paracetamol by pure bacterial cultures and their microbial consortium

Micro Reactor For Chlorophenols Electrocathalytic Oxidation

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