22—AQUEOUS JET SCOURING OF RAW WOOL PART III. PRELIMINARY PILOT-PLANT STUDIES

Abstract
The effects of various factors on scouring efficiency have been investigated on a small jet-scouring machine with aqueous detergents. Optimum results were obtained with: (a) a contact time of 40–80 sec; (b) the lowest nozzle pressure adequate to achieve the desired cleaning effect; (c) detergent additions concentrated towards the later bowls; (d) sodium carbonate used in the first one or two bowls; (e) liquor temperatures above 65°C; and(f) polyoxyethylene nonylphenol detergents with 9–10 ethylene oxide groups per molecule.

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