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Dust control from foam additives.

Authors
Page-SJ
Source
Appl Ind Hyg 1989 Mar; 4(3):F-14
NIOSHTIC No.
10001673
Abstract
Since foam requires adding a surfactant or foaming agent to water, it is a more expensive means of dust control than water alone. This raises the question of when to use foam instead of water. Working with dust control in mines has taught us that water can be very effective and is widely used. For example, a recent test compared foam versus water when used on a face drill in a gypsum mine. About 0.2 gpm of water flowed through the drill rod to the bit in a 2-ioch diameter hole. Dust reductions averaged 93 percent. Foam used on another drill gave dust reductions averaging 95 percent The foam system required three times the liquid flowrate to gain only a 2 percent increase in dust reduction efficiency. Water alone was quite capable of controlling dust in this application due to the extreme confinement of the dust source.
Keywords
Dust-suppression; Dust-control; Dust-control-equipment; Mine-shafts; Mining-industry; Mining-equipment; Particulate-dust; Airborne-dusts; Air-quality-control; Dust-particles
CODEN
AIHYEX
CAS No.
13397-24-5
Publication Date
19890301
Document Type
OP; Journal Article
Fiscal Year
1989
NTIS Accession No.
NTIS Price
Issue of Publication
3
ISSN
0882-8032
NIOSH Division
PRC
Source Name
Applied Industrial Hygiene
State
PA
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