Degradation of pharmaceutical compound pentoxifylline in water by non-thermal plasma treatment

Măgureanu, Monica; Piroi, Daniela; Mandache, Nicolae Bogdan; David, Víctor; Medvedovici, Andrei; Pârvulescu, Vasile I.

doi:10.1016/j.watres.2010.03.020

Cited by 218 publications

(104 citation statements)

References 37 publications

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“…The efficiency of the removal of pathogenic bacteria is illustrated by the disinfection yield, defined as the number of deaths of pathogenic bacteria or pollutants per unit of energy consumed in the process [6,9,20,14]. The disinfection yield of bacteria is calculated using the following eq.…”

Section: Disinfection Yieldmentioning

confidence: 99%

Behavior of microorganisms in drinking water treatment by inductively coupled plasma system: Case study in ground water

Desmiarti

Hazmi

Martynis

et al. 2018

AIP Conference Proceedings

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Section: Disinfection Yieldmentioning

confidence: 99%

Behavior of microorganisms in drinking water treatment by inductively coupled plasma system: Case study in ground water

Desmiarti

Hazmi

Martynis

et al. 2018

AIP Conference Proceedings

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“…In spite of the above, the detailed mechanism of electrical discharge in water still remains largely 8 unknown, while deep understanding regarding discharges in gas phase such as one-, two-, and three-dimensional streamer propagation models combined with ionization and chemical processes that took place within the plasma zone have been developed (Lukeš 2001). To avoid this ambiguity, Magureanu et al (2010) and Lukes et al (2011) designed a new reactor where corona discharges occurred in gas phase though very close to the contaminated water. This however raises a lot of questions and generates concern regarding the system efficiency since active species between water and gas boundary layer occupied a small space.…”

Section: Electrohydraulic Discharge Treatment In Watermentioning

confidence: 99%

“…Different kinds of electrical discharges are produced either directly in water or above the water surface for water treatment. At the same time, various reactors geometries and electrode configurations have been designed and applied for wastewater treatment (Magureanu et al 2008a(Magureanu et al , 2010. The following types have been mostly identified such as corona or pulse electrohydraulic discharge reactor, pulsed spark electrohydraulic discharge reactor, pulsed arc electrohydraulic discharge reactor, and pulsed power electrohydraulic discharge reactor (Locke et al 2006).…”

Section: Electrohydraulic Discharge Treatment In Watermentioning

confidence: 99%

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A Review of Combined Advanced Oxidation Technologies for the Removal of Organic Pollutants from Water

Tijani

Fatoba

Madzivire

et al. 2014

Water Air Soil Pollut

212

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Water pollution through natural and anthropogenic activities has become a global problem causing short-and long-term impact on human and ecosystems. Substantial quantity of individual or mixtures of organic pollutants enter the surface water via point and nonpoint sources and thus affect the quality of freshwater. These pollutants are known to be toxic and difficult to remove by mere biological treatment. To date, most researches on the removal of organic pollutants from wastewater were based on the exploitation of individual treatment process. This single-treatment technology has inherent challenges and shortcomings with respect to efficiency and economics. Thus, application of two advanced treatment technologies characterized with high efficiency with respect to removal of primary and disinfection byproducts in wastewater is desirable. This review article focuses on the application of integrated technologies such as electrohydraulic discharge with heterogeneous photocatalysts or sonophotocatalysis to remove target pollutants. The information gathered from more than 100 published articles, mostly laboratories studies, shows that process integration effectively remove and degrade recalcitrant toxic contaminants in wastewater better than singletechnology processing. This review recommends an improvement on this technology (integrated electrohydraulic discharge with heterogeneous photocatalysts) viz-a-vis cost reduction in order to make it accessible and available in the rural and semi-urban settlement. Further recommendation includes development of an economic model to establish the cost implications of the combined technology. Proper monitoring, enforcement of the existing environmental regulations, and upgrading of current wastewater treatment plants with additional treatment steps such as photocatalysis and ozonation will greatly assist in the removal of environmental toxicants.

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“…The application of plasma technology in handling environmental pollutants primarily involves pollutants in the solid, liquid, and gaseous phase (Hsieh et al, 1998;Moustakasa et al, 2005;Magureanu et al, 2010). With its high-energy gas molecules, plasma can decompose tenacious, toxic molecules and harmful organic pollutants, and react with chemical compounds such as MTBE, BTEX, and other PAHs in automobile exhaust.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of the Acenaphthylene Compound in an Atmospheric Plasma Reactor to Treat Cooking Fumes

Chang

Hsieh

2013

Aerosol Air Qual. Res.

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Acenaphthylene (chemical formula of C 12 H 8 , Acpy), also known as cyclopenta [de]naphthalene, is a polycyclic aromatic hydrocarbon (PAH) with 3 aromatic rings. The Acpy compound is a PAH on the Environmental Protection Agency's (EPA's) priority pollutant list. This study presents a simulation of an atmospheric plasma reactor (APR) using a method based on computational fluid dynamics (CFD). A commercial CFD tool was used to solve mass, momentum, and energy equations. The commercial FLUENT code was then used to simulate the Acpy compound using a 3D APR to treat the cooking fume exhaust emitted from a restaurant kitchen. The simulations in this study adopted the APR size and operating parameters from a self-designed atmospheric plasma reactor in a previous study (NSC95-2221-E020-021). An in-house reduced chemical mechanism was coupled with the CFD code for improved computational runtime. The reactivity of the system was considered with the RNG k-ε turbulence model and the classical Eddy Dissipation Concept combustion model. The simulation results were compared with the experimental temperature measurement and the removal efficiency of Acpy. The simulated average removal efficiency of Acpy was 61.3%.

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Degradation of pharmaceutical compound pentoxifylline in water by non-thermal plasma treatment

Cited by 218 publications

References 37 publications

Behavior of microorganisms in drinking water treatment by inductively coupled plasma system: Case study in ground water

Behavior of microorganisms in drinking water treatment by inductively coupled plasma system: Case study in ground water

A Review of Combined Advanced Oxidation Technologies for the Removal of Organic Pollutants from Water

Numerical Simulation of the Acenaphthylene Compound in an Atmospheric Plasma Reactor to Treat Cooking Fumes

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