Spray charging of droplets in a wet scrubber

Research output: Contribution to journalArticleScientificpeer-review

20 Citations (Scopus)

Abstract

The experimental setup was designed to study the effect of natural charging of dropletsduring spraying (called spray electrification orspray charging) in a wet scrubber. The influenceof nozzle material, liquid feed rate, and liquidcomposition on the specific charge (charge per unit volume of liquid) formed in spraying was measured. It was found that the nozzle material hasno measurable effect on this specific charge. Increasing the liquid feed rate increases the specific charge significantly. Increasing solute (NaCl or NaOH) concentration increases the conductivity that decreases the formed specific charge. The same correlation between the specific chargeand conductivity was also observed with real scrubbing liquids. It is proposed that the specificcharge depends only on the value of liquid conductivity, not on liquid composition. The conductivity of the tested scrubbing liquids was high enough to suppress the formation of a high specific charge during spraying.

Original languageEnglish
Pages (from-to)175-180
Number of pages6
JournalJournal of the Air and Waste Management Association
Volume52
Issue number2
DOIs
Publication statusPublished - 1 Jan 2002
MoE publication typeNot Eligible

Fingerprint

spray
droplet
liquid
conductivity
electrification
wet scrubber
solute

Cite this

@article{6f4a1401fc5b4bfa8e723ea81fd6c03f,
title = "Spray charging of droplets in a wet scrubber",
abstract = "The experimental setup was designed to study the effect of natural charging of dropletsduring spraying (called spray electrification orspray charging) in a wet scrubber. The influenceof nozzle material, liquid feed rate, and liquidcomposition on the specific charge (charge per unit volume of liquid) formed in spraying was measured. It was found that the nozzle material hasno measurable effect on this specific charge. Increasing the liquid feed rate increases the specific charge significantly. Increasing solute (NaCl or NaOH) concentration increases the conductivity that decreases the formed specific charge. The same correlation between the specific chargeand conductivity was also observed with real scrubbing liquids. It is proposed that the specificcharge depends only on the value of liquid conductivity, not on liquid composition. The conductivity of the tested scrubbing liquids was high enough to suppress the formation of a high specific charge during spraying.",
author = "Kati Vaaraslahti and Ari Laitinen and Jorma Keskinen",
year = "2002",
month = "1",
day = "1",
doi = "10.1080/10473289.2002.10470776",
language = "English",
volume = "52",
pages = "175--180",
journal = "Journal of the Air and Waste Management Association",
issn = "1096-2247",
publisher = "Taylor & Francis",
number = "2",

}

Spray charging of droplets in a wet scrubber. / Vaaraslahti, Kati; Laitinen, Ari; Keskinen, Jorma.

In: Journal of the Air and Waste Management Association, Vol. 52, No. 2, 01.01.2002, p. 175-180.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Spray charging of droplets in a wet scrubber

AU - Vaaraslahti, Kati

AU - Laitinen, Ari

AU - Keskinen, Jorma

PY - 2002/1/1

Y1 - 2002/1/1

N2 - The experimental setup was designed to study the effect of natural charging of dropletsduring spraying (called spray electrification orspray charging) in a wet scrubber. The influenceof nozzle material, liquid feed rate, and liquidcomposition on the specific charge (charge per unit volume of liquid) formed in spraying was measured. It was found that the nozzle material hasno measurable effect on this specific charge. Increasing the liquid feed rate increases the specific charge significantly. Increasing solute (NaCl or NaOH) concentration increases the conductivity that decreases the formed specific charge. The same correlation between the specific chargeand conductivity was also observed with real scrubbing liquids. It is proposed that the specificcharge depends only on the value of liquid conductivity, not on liquid composition. The conductivity of the tested scrubbing liquids was high enough to suppress the formation of a high specific charge during spraying.

AB - The experimental setup was designed to study the effect of natural charging of dropletsduring spraying (called spray electrification orspray charging) in a wet scrubber. The influenceof nozzle material, liquid feed rate, and liquidcomposition on the specific charge (charge per unit volume of liquid) formed in spraying was measured. It was found that the nozzle material hasno measurable effect on this specific charge. Increasing the liquid feed rate increases the specific charge significantly. Increasing solute (NaCl or NaOH) concentration increases the conductivity that decreases the formed specific charge. The same correlation between the specific chargeand conductivity was also observed with real scrubbing liquids. It is proposed that the specificcharge depends only on the value of liquid conductivity, not on liquid composition. The conductivity of the tested scrubbing liquids was high enough to suppress the formation of a high specific charge during spraying.

UR - http://www.scopus.com/inward/record.url?scp=0036162044&partnerID=8YFLogxK

U2 - 10.1080/10473289.2002.10470776

DO - 10.1080/10473289.2002.10470776

M3 - Article

AN - SCOPUS:0036162044

VL - 52

SP - 175

EP - 180

JO - Journal of the Air and Waste Management Association

JF - Journal of the Air and Waste Management Association

SN - 1096-2247

IS - 2

ER -