Scouring


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scouring

[′skau̇r·iŋ]
(engineering)
Physical or chemical attack on process equipment surfaces, as in a furnace or fluid catalytic cracker.
(geology)
An erosion process resulting from the action of the flow of air, ice, or water.
(materials)
(mechanical engineering)
Mechanical finishing or cleaning of a hard surface by using an abrasive and low pressure.
(textiles)
Removal of grease and dirt from wool.
The cleaning of fabric before the dyeing step.

Scouring

 

the heating of cotton and linen fabrics in solution of alkalies at atmospheric or increased pressure to remove impurities and to prepare the fabrics for bleaching, dyeing, or printing. The most effective method is dynamic scouring, which is performed at atmospheric pressure and about 90°C by continuous movement of the fabric through a solution containing sodium hydroxides, sodium bisulfite, and sodium silicate.

scouring

Using a wood float, in a circular motion, to smooth freshly applied mortar or plaster.
References in periodicals archive ?
Figure (6) shows the effects of slot in reduction of scouring at different Froude numbers of 0.
As maritime glaciers retreat, ice sheets collapse and the fast ice season decreases, ice scouring could significantly impact the structure and function of the benthic system,' says Dr Smale.
To predict the forces during the pier scouring process, the researchers will compare these flow fields with the computational fluid dynamics simulations performed at ANL.
Fabric scouring results in the high increase of the [[gamma].
Mostly of this kind of water of water tanks collapsed due to undermining or scouring of foundation.
It was used by the pioneers for scouring their pots and by housewives for polishing their pewter.
All "tri-bale" wool - three bales compressed into one - and some farm bales subjected to prolonged storage must be warmed before scouring.
The leading company in the market for Scouring products in 2004 was Unilever.
The Commerce Commission has announced the issuing of its final determination sanctioning Cavalier Wool Holdings (Cavalier) application to buy New Zealand Wool Services International's (NZWSI) wool scouring business and assets.
Due to the complex nature of cohesive soils (Octavio et al, 2005) examined the scouring manner at downstream of multiply jets on cohesive and non cohesive soils and developed the equations for this conditions [9].