Removal of Fine and Ultrafine Particles From Air by Microelectrostatic Precipitation

Mermigkas, Athanasios; Timoshkin, I. V.; MacGregor, S.J.; Given, M.J.; Wilson, M. P.; Wang, Tao

doi:10.1109/tps.2013.2253133

Cited by 13 publications

(13 citation statements)

References 14 publications

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“…This figure shows that the most efficient precipitation has been obtained in the case when both stages of the reactor, impulsive and dc, are energized. Similar results were obtained by the authors with the smaller scale reactor and cigarette smoke as a test fluid, [6]. Figs.…”

Section: B Beeswax Candle Fumessupporting

confidence: 89%

“…The present paper is focused on an investigation of the use of impulsive corona discharges in atmospheric air for charging and removal of fine and ultra-fine particulate matter from an air flow. This work continues the study of the impulsive micro-electrostatic precipitation process initiated by the authors; previously obtained results on impulsive precipitation of powder particles and charging mechanisms in the transient corona discharges are published in [6], [10].…”

Section: The Physical and Chemical Characteristics Of Transient Coronasupporting

confidence: 56%

“…The precipitation reactor used in the present study is similar to the two stage system developed in [6], however it is larger in scale. Both stages have a cylindrical, coaxial topology.…”

Section: A Experimental Systemmentioning

confidence: 99%

“…A Tektronix P6015A HV probe (75 MHz bandwidth) was used to measure the impulsive voltage across the reactor, while a 1 kΩ current viewing resistor was used to measure the current. A schematic diagram of the precipitation system used in the present study is given in Fig.1, and a detailed description of the generator and electrical diagnostic system can be found in [6]. The voltage and current waveforms across the reactor are shown in Fig.…”

Section: A Experimental Systemmentioning

confidence: 99%

“…In the above equation, Q is the total conduction charge acquired by the particle, η is the viscosity of air, C c is the Cunningham correction factor, [18], and d is the particle diameter. In order to calculate the electric field, various parameters must be obtained, see [6]. One required parameter is the ionisation radius around the wire which is the boundary of the ionisation and the ion transport zones of the corona discharge.…”

Section: Analysis Of the Particle Motion Inside The Micro-esp Reamentioning

confidence: 99%

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Impulsive Corona Discharges for Fine Particles Precipitation in a Coaxial Topology

Mermigkas

Timoshkin

MacGregor

et al. 2014

IEEE Trans. Plasma Sci.

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Airborne micrometer and sub-micrometer particles produced by anthropogenic sources contaminate atmospheric air, especially in large cities where both population and industrial activities are higher leading to a reduced air quality. Recent research has pointed out particles less than 2.5 μm in diameter (PM2.5) as a potential health hazard. To address this issue stricter legislation has been put into force in order to reduce PM2.5 emissions. This paper is focused on the development of an impulsive micro-electrostatic precipitation technology for charging and removal of fine airborne particles in an economically feasible way. In the present work a compact, coaxial precipitator has been developed for possible indoor air cleaning applications. HV impulses together with dc voltage has been used for energisation of the reactor as it has been shown to enhance the precipitation efficiency. This precipitation system has been used for removal of fumes and fine airborne particles from ambient air. In addition to the experimental part, analytical work has been conducted in order to optimize the electrostatic precipitation process and to reduce its power consumption.

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Section: B Beeswax Candle Fumessupporting

confidence: 89%

Section: The Physical and Chemical Characteristics Of Transient Coronasupporting

confidence: 56%

“…The precipitation reactor used in the present study is similar to the two stage system developed in [6], however it is larger in scale. Both stages have a cylindrical, coaxial topology.…”

Section: A Experimental Systemmentioning

confidence: 99%

Section: A Experimental Systemmentioning

confidence: 99%

Section: Analysis Of the Particle Motion Inside The Micro-esp Reamentioning

confidence: 99%

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