Efficiency of smoke removal by charged water droplets

Wamadeva Balachandran, Anatol Jaworek, Andrzej Krupa, J Kulon, Marcin Lackowski

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The removal of fine aerosol particles such as dust or smoke by charged droplets was investigated experimentally. The droplets were sprayed by a rotary atomiser and simultaneously charged inductively. The cigarette smoke was used as a source of submicrometer dust. Smoke was charged in a specially designed corona-discharge charger. The suppression of particle concentration was determined after different time intervals of spraying of water. The electrical charging of droplets significantly increases the efficiency of removal of fine particles from air as compared to the uncharged aerosol. Further improvement was obtained after charging smoke particles. The cleaning process was up to four times better for charged smoke and droplets than that for uncharged species. (C) 2003 Elsevier Science B.V. All rights reserved.

    Original languageEnglish
    Pages (from-to)209-220
    Number of pages12
    JournalJournal of Electrostatics
    Volume58
    Issue number3-4
    DOIs
    Publication statusPublished - Jun 2003

    Keywords

    • scrubbing
    • particle charge
    • smoke removal
    • droplet charge
    • AEROSOL-PARTICLES
    • SPHERICAL COLLECTOR
    • ELECTRICAL FORCES
    • SPRAY SCRUBBERS
    • DUST PARTICLES
    • DEPOSITION
    • SINGLE
    • DROPS
    • MECHANISM
    • SPHERES

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